diff options
Diffstat (limited to 'erts/emulator/drivers')
-rw-r--r-- | erts/emulator/drivers/common/efile_drv.c | 339 | ||||
-rw-r--r-- | erts/emulator/drivers/common/erl_efile.h | 26 | ||||
-rw-r--r-- | erts/emulator/drivers/common/gzio.c | 56 | ||||
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 1275 | ||||
-rw-r--r-- | erts/emulator/drivers/common/ram_file_drv.c | 17 | ||||
-rw-r--r-- | erts/emulator/drivers/common/zlib_drv.c | 12 | ||||
-rw-r--r-- | erts/emulator/drivers/unix/mem_drv.c | 145 | ||||
-rw-r--r-- | erts/emulator/drivers/unix/ttsl_drv.c | 6 | ||||
-rw-r--r-- | erts/emulator/drivers/unix/unix_efile.c | 113 | ||||
-rw-r--r-- | erts/emulator/drivers/win32/mem_drv.c | 141 | ||||
-rwxr-xr-x[-rw-r--r--] | erts/emulator/drivers/win32/win_efile.c | 579 |
11 files changed, 1657 insertions, 1052 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 95510a16b2..786fa7da77 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1996-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* @@ -53,6 +53,8 @@ #define FILE_IPREAD 27 #define FILE_ALTNAME 28 #define FILE_READ_LINE 29 +#define FILE_FDATASYNC 30 +#define FILE_FADVISE 31 /* Return codes */ @@ -65,6 +67,8 @@ #define FILE_RESP_LDATA 6 #define FILE_RESP_N2DATA 7 #define FILE_RESP_EOF 8 +#define FILE_RESP_FNAME 9 +#define FILE_RESP_ALL_DATA 10 /* Options */ @@ -102,16 +106,16 @@ #include <ctype.h> #include <sys/types.h> -extern void erl_exit(int n, char *fmt, _DOTS_); +void erl_exit(int n, char *fmt, ...); static ErlDrvSysInfo sys_info; -/*#define TRACE 1*/ +/* #define TRACE 1 */ #ifdef TRACE -# define TRACE_C(c) (putchar(c)) -# define TRACE_S(s) (fputs((s), stdout)) -# define TRACE_F(args) (printf args) +# define TRACE_C(c) do { putchar(c); fflush(stdout); } while (0) +# define TRACE_S(s) do { fputs((s), stdout); fflush(stdout); } while (0) +# define TRACE_F(args) do { printf args ;fflush(stdout); } while (0) #else # define TRACE_C(c) ((void)(0)) # define TRACE_S(s) ((void)(0)) @@ -135,24 +139,54 @@ static ErlDrvSysInfo sys_info; #define MUTEX_UNLOCK(m) #endif - - #if 0 /* Experimental, for forcing all file operations to use the same thread. */ -static unsigned file_fixed_key = 1; -#define KEY(desc) (&file_fixed_key) + static unsigned file_fixed_key = 1; +# define KEY(desc) (&file_fixed_key) #else -#define KEY(desc) (&(desc)->key) +# define KEY(desc) (&(desc)->key) #endif +#ifdef FILENAMES_16BIT +# define FILENAME_BYTELEN(Str) filename_len_16bit(Str) +# define FILENAME_COPY(To,From) filename_cpy_16bit((To),(From)) +# define FILENAME_CHARSIZE 2 + + static int filename_len_16bit(char *str) + { + char *p = str; + while(*p != '\0' || p[1] != '\0') { + p += 2; + } + return (p - str); + } + + static void filename_cpy_16bit(char *to, char *from) + { + while(*from != '\0' || from[1] != '\0') { + *to++ = *from++; + *to++ = *from++; + } + *to++ = *from++; + *to++ = *from++; + } -#if MAXPATHLEN >= BUFSIZ -#define RESBUFSIZE MAXPATHLEN+1 #else -#define RESBUFSIZE BUFSIZ +# define FILENAME_BYTELEN(Str) strlen(Str) +# define FILENAME_COPY(To,From) strcpy(To,From) +# define FILENAME_CHARSIZE 1 #endif +#if (MAXPATHLEN+1)*FILENAME_CHARSIZE+1 > BUFSIZ +# define RESBUFSIZE ((MAXPATHLEN+1)*FILENAME_CHARSIZE+1) +#else +# define RESBUFSIZE BUFSIZ +#endif + + + + #define GET_TIME(i, b) \ (i).year = get_int32((b) + 0 * 4); \ (i).month = get_int32((b) + 1 * 4); \ @@ -196,9 +230,9 @@ enum e_timer {timer_idle, timer_again, timer_write}; struct t_data; typedef struct { - Sint fd; + SWord fd; ErlDrvPort port; - unsigned key; /* Async queue key */ + unsigned int key; /* Async queue key */ unsigned flags; /* Original flags from FILE_OPEN. */ void (*invoke)(void *); struct t_data *d; @@ -284,9 +318,9 @@ struct t_preadv { }; #define READDIR_BUFSIZE (8*1024) -#if READDIR_BUFSIZE < (2*MAXPATHLEN) -#undef READDIR_BUFSIZE -#define READDIR_BUFSIZE (2*MAXPATHLEN) +#if READDIR_BUFSIZE < (FILENAME_CHARSIZE*2*(MAXPATHLEN+1)) +# undef READDIR_BUFSIZE +# define READDIR_BUFSIZE (FILENAME_CHARSIZE*2*(MAXPATHLEN+1)) #endif struct t_readdir_buf { @@ -306,7 +340,7 @@ struct t_data int result_ok; Efile_error errInfo; int flags; - Sint fd; + SWord fd; /**/ Efile_info info; EFILE_DIR_HANDLE dir_handle; /* Handle to open directory. */ @@ -357,11 +391,17 @@ struct t_data struct t_readdir_buf *first_buf; struct t_readdir_buf *last_buf; } read_dir; + struct { + Sint64 offset; + Sint64 length; + int advise; + } fadvise; } c; char b[1]; }; + #define EF_ALLOC(S) driver_alloc((S)) #define EF_REALLOC(P, S) driver_realloc((P), (S)) #define EF_SAFE_ALLOC(S) ef_safe_alloc((S)) @@ -605,7 +645,7 @@ file_start(ErlDrvPort port, char* command) } desc->fd = FILE_FD_INVALID; desc->port = port; - desc->key = (unsigned) (Uint) port; + desc->key = (unsigned int) (UWord) port; desc->flags = 0; desc->invoke = NULL; desc->d = NULL; @@ -630,7 +670,7 @@ static void free_data(void *data) EF_FREE(data); } -static void do_close(int flags, Sint fd) { +static void do_close(int flags, SWord fd) { if (flags & EFILE_COMPRESSED) { erts_gzclose((gzFile)(fd)); } else { @@ -709,7 +749,7 @@ static void reply_Uint_posix_error(file_descriptor *desc, Uint num, TRACE_C('N'); response[0] = FILE_RESP_NUMERR; -#if SIZEOF_VOID_P == 4 +#if SIZEOF_VOID_P == 4 || HALFWORD_HEAP put_int32(0, response+1); #else put_int32(num>>32, response+1); @@ -767,7 +807,7 @@ static int reply_Uint(file_descriptor *desc, Uint result) { TRACE_C('R'); tmp[0] = FILE_RESP_NUMBER; -#if SIZEOF_VOID_P == 4 +#if SIZEOF_VOID_P == 4 || HALFWORD_HEAP put_int32(0, tmp+1); #else put_int32(result>>32, tmp+1); @@ -883,6 +923,15 @@ static void invoke_chdir(void *data) invoke_name(data, efile_chdir); } +static void invoke_fdatasync(void *data) +{ + struct t_data *d = (struct t_data *) data; + int fd = (int) d->fd; + + d->again = 0; + d->result_ok = efile_fdatasync(&d->errInfo, fd); +} + static void invoke_fsync(void *data) { struct t_data *d = (struct t_data *) data; @@ -1272,7 +1321,7 @@ static void invoke_writev(void *data) { p < size && iovcnt < iovlen; p += iov0[iovcnt++].iov_len) ; - iov = EF_ALLOC(sizeof(SysIOVec)*iovcnt); + iov = EF_SAFE_ALLOC(sizeof(SysIOVec)*iovcnt); memcpy(iov,iov0,iovcnt*sizeof(SysIOVec)); MUTEX_UNLOCK(d->c.writev.q_mtx); /* Let go of lock until we deque from original vector */ @@ -1352,7 +1401,7 @@ static void invoke_readlink(void *data) d->result_ok = efile_readlink(&d->errInfo, d->b, resbuf+1, RESBUFSIZE-1); if (d->result_ok != 0) - strcpy((char *) d->b + 1, resbuf+1); + FILENAME_COPY((char *) d->b + 1, resbuf+1); } static void invoke_altname(void *data) @@ -1364,7 +1413,7 @@ static void invoke_altname(void *data) d->result_ok = efile_altname(&d->errInfo, d->b, resbuf+1, RESBUFSIZE-1); if (d->result_ok != 0) - strcpy((char *) d->b + 1, resbuf+1); + FILENAME_COPY((char *) d->b + 1, resbuf+1); } static void invoke_pwritev(void *data) { @@ -1389,7 +1438,7 @@ static void invoke_pwritev(void *data) { /* Lock the queue just for a while, we don't want it locked during write */ MUTEX_LOCK(c->q_mtx); iov0 = driver_peekq(c->port, &iovlen); - iov = EF_ALLOC(sizeof(SysIOVec)*iovlen); + iov = EF_SAFE_ALLOC(sizeof(SysIOVec)*iovlen); memcpy(iov,iov0,sizeof(SysIOVec)*iovlen); MUTEX_UNLOCK(c->q_mtx); @@ -1483,7 +1532,7 @@ static void invoke_link(void *data) char *new_name; d->again = 0; - new_name = name+strlen(name)+1; + new_name = name+FILENAME_BYTELEN(name)+FILENAME_CHARSIZE; d->result_ok = efile_link(&d->errInfo, name, new_name); } @@ -1494,7 +1543,7 @@ static void invoke_symlink(void *data) char *new_name; d->again = 0; - new_name = name+strlen(name)+1; + new_name = name+FILENAME_BYTELEN(name)+FILENAME_CHARSIZE; d->result_ok = efile_symlink(&d->errInfo, name, new_name); } @@ -1505,7 +1554,7 @@ static void invoke_rename(void *data) char *new_name; d->again = 0; - new_name = name+strlen(name)+1; + new_name = name+FILENAME_BYTELEN(name)+FILENAME_CHARSIZE; d->result_ok = efile_rename(&d->errInfo, name, new_name); } @@ -1553,13 +1602,15 @@ static void invoke_readdir(void *data) int s; char *p = NULL; int buf_sz = 0; + size_t tmp_bs; d->again = 0; d->errInfo.posix_errno = 0; while (1) { char *str; - if (buf_sz < (4 /* sz */ + 1 /* cmd */ + MAXPATHLEN + 1 /* '\0' */)) { + if (buf_sz < (4 /* sz */ + 1 /* cmd */ + + FILENAME_CHARSIZE*(MAXPATHLEN + 1))) { struct t_readdir_buf *b; if (p) { put_int32(0, p); /* EOB */ @@ -1575,18 +1626,18 @@ static void invoke_readdir(void *data) buf_sz = READDIR_BUFSIZE - 4/* EOB */; } - p[4] = FILE_RESP_OK; + p[4] = FILE_RESP_FNAME; buf_sz -= 4 + 1; str = p + 4 + 1; ASSERT(buf_sz >= MAXPATHLEN + 1); - s = efile_readdir(&d->errInfo, d->b, &d->dir_handle, str, buf_sz); + tmp_bs = buf_sz; + s = efile_readdir(&d->errInfo, d->b, &d->dir_handle, str, &tmp_bs); if (s) { - int str_sz = strlen(str); - int sz = str_sz + 1; - put_int32(sz, p); - p += 4 + sz; - buf_sz -= str_sz; + put_int32(tmp_bs + 1 /* 1 byte for opcode */, p); + p += 4 + tmp_bs + 1; + ASSERT(p == (str + tmp_bs)); + buf_sz -= tmp_bs; } else { put_int32(1, p); @@ -1620,7 +1671,7 @@ static void invoke_open(void *data) status = efile_may_openfile(&d->errInfo, d->b); if (status || (d->errInfo.posix_errno != EISDIR)) { mode = (d->flags & EFILE_MODE_READ) ? "rb" : "wb"; - d->fd = (Sint) erts_gzopen(d->b, mode); + d->fd = (SWord) erts_gzopen(d->b, mode); if ((gzFile)d->fd) { status = 1; } else { @@ -1637,6 +1688,18 @@ static void invoke_open(void *data) d->result_ok = status; } +static void invoke_fadvise(void *data) +{ + struct t_data *d = (struct t_data *) data; + int fd = (int) d->fd; + off_t offset = (off_t) d->c.fadvise.offset; + off_t length = (off_t) d->c.fadvise.length; + int advise = (int) d->c.fadvise.advise; + + d->again = 0; + d->result_ok = efile_fadvise(&d->errInfo, fd, offset, length, advise); +} + static void free_readdir(void *data) { struct t_data *d = (struct t_data *) data; @@ -1883,7 +1946,7 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) if (!d->result_ok) reply_error(desc, &d->errInfo); else { - header[0] = FILE_RESP_OK; + header[0] = FILE_RESP_ALL_DATA; TRACE_C('R'); driver_output_binary(desc->port, header, 1, d->c.read_file.binp, @@ -1919,12 +1982,14 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) case FILE_RMDIR: case FILE_CHDIR: case FILE_DELETE: + case FILE_FDATASYNC: case FILE_FSYNC: case FILE_TRUNCATE: case FILE_LINK: case FILE_SYMLINK: case FILE_RENAME: case FILE_WRITE_INFO: + case FILE_FADVISE: reply(desc, d->result_ok, &d->errInfo); free_data(data); break; @@ -1938,10 +2003,10 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) if (!d->result_ok) reply_error(desc, &d->errInfo); else { - resbuf[0] = FILE_RESP_OK; - length = 1+strlen((char*) resbuf+1); + resbuf[0] = FILE_RESP_FNAME; + length = 1+FILENAME_BYTELEN((char*) resbuf+1); TRACE_C('R'); - driver_output2(desc->port, resbuf, length, NULL, 0); + driver_output2(desc->port, resbuf, 1, resbuf+1, length-1); } free_data(data); break; @@ -2001,13 +2066,18 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) int sz = get_int32(p); while (sz) { /* 0 == EOB */ p += 4; - driver_output2(desc->port, p, sz, NULL, 0); + if (sz - 1 > 0) { + driver_output2(desc->port, p, 1, p+1, sz-1); + } else { + driver_output2(desc->port, p, 1, NULL, 0); + } p += sz; sz = get_int32(p); } b1 = b1->next; EF_FREE(b2); } + d->c.read_dir.first_buf = NULL; d->c.read_dir.last_buf = NULL; } @@ -2083,9 +2153,9 @@ file_output(ErlDrvData e, char* buf, int count) case FILE_MKDIR: { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(name) + 1); + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(name) + FILENAME_CHARSIZE); - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->command = command; d->invoke = invoke_mkdir; d->free = free_data; @@ -2094,9 +2164,9 @@ file_output(ErlDrvData e, char* buf, int count) } case FILE_RMDIR: { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(name) + 1); + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(name) + FILENAME_CHARSIZE); - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->command = command; d->invoke = invoke_rmdir; d->free = free_data; @@ -2105,9 +2175,9 @@ file_output(ErlDrvData e, char* buf, int count) } case FILE_DELETE: { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(name) + 1); + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(name) + FILENAME_CHARSIZE); - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->command = command; d->invoke = invoke_delete_file; d->free = free_data; @@ -2117,14 +2187,14 @@ file_output(ErlDrvData e, char* buf, int count) case FILE_RENAME: { char* new_name; - - new_name = name+strlen(name)+1; + int namelen = FILENAME_BYTELEN(name)+FILENAME_CHARSIZE; + new_name = name+namelen; d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 - + strlen(name) + 1 - + strlen(new_name) + 1); + + namelen + + FILENAME_BYTELEN(new_name) + FILENAME_CHARSIZE); - strcpy(d->b, name); - strcpy(d->b + strlen(name) + 1, new_name); + FILENAME_COPY(d->b, name); + FILENAME_COPY(d->b + namelen, new_name); d->flags = desc->flags; d->fd = fd; d->command = command; @@ -2135,9 +2205,9 @@ file_output(ErlDrvData e, char* buf, int count) } case FILE_CHDIR: { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(name) + 1); + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(name) + FILENAME_CHARSIZE); - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->command = command; d->invoke = invoke_chdir; d->free = free_data; @@ -2160,9 +2230,10 @@ file_output(ErlDrvData e, char* buf, int count) #ifdef USE_THREADS if (sys_info.async_threads > 0) { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(name) + 1); + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(name) + + FILENAME_CHARSIZE); - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->dir_handle = NULL; d->command = command; d->invoke = invoke_readdir; @@ -2175,17 +2246,19 @@ file_output(ErlDrvData e, char* buf, int count) else #endif { + size_t resbufsize; char resbuf[RESBUFSIZE+1]; EFILE_DIR_HANDLE dir_handle; /* Handle to open directory. */ errInfo.posix_errno = 0; dir_handle = NULL; - resbuf[0] = FILE_RESP_OK; + resbuf[0] = FILE_RESP_FNAME; + resbufsize = RESBUFSIZE; while (efile_readdir(&errInfo, name, &dir_handle, - resbuf+1, RESBUFSIZE)) { - int length = 1 + strlen(resbuf+1); - driver_output2(desc->port, resbuf, length, NULL, 0); + resbuf+1, &resbufsize)) { + driver_output2(desc->port, resbuf, 1, resbuf+1, resbufsize); + resbufsize = RESBUFSIZE; } if (errInfo.posix_errno != 0) { reply_error(desc, &errInfo); @@ -2197,11 +2270,12 @@ file_output(ErlDrvData e, char* buf, int count) } case FILE_OPEN: { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(buf+4) + 1); + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(buf+4) + + FILENAME_CHARSIZE); d->flags = get_int32((uchar*)buf); name = buf+4; - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->command = command; d->invoke = invoke_open; d->free = free_data; @@ -2209,33 +2283,46 @@ file_output(ErlDrvData e, char* buf, int count) goto done; } + case FILE_FDATASYNC: + { + d = EF_SAFE_ALLOC(sizeof(struct t_data)); + + d->fd = fd; + d->command = command; + d->invoke = invoke_fdatasync; + d->free = free_data; + d->level = 2; + goto done; + } + case FILE_FSYNC: - { - d = EF_SAFE_ALLOC(sizeof(struct t_data)); - - d->fd = fd; - d->command = command; - d->invoke = invoke_fsync; - d->free = free_data; - d->level = 2; - goto done; - } + { + d = EF_SAFE_ALLOC(sizeof(struct t_data)); + + d->fd = fd; + d->command = command; + d->invoke = invoke_fsync; + d->free = free_data; + d->level = 2; + goto done; + } case FILE_FSTAT: case FILE_LSTAT: - { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + strlen(name) + 1); + { + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + FILENAME_BYTELEN(name) + + FILENAME_CHARSIZE); + + FILENAME_COPY(d->b, name); + d->fd = fd; + d->command = command; + d->invoke = invoke_flstat; + d->free = free_data; + d->level = 2; + goto done; + } - strcpy(d->b, name); - d->fd = fd; - d->command = command; - d->invoke = invoke_flstat; - d->free = free_data; - d->level = 2; - goto done; - } - case FILE_TRUNCATE: { d = EF_SAFE_ALLOC(sizeof(struct t_data)); @@ -2252,7 +2339,7 @@ file_output(ErlDrvData e, char* buf, int count) case FILE_WRITE_INFO: { d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 - + strlen(buf+21*4) + 1); + + FILENAME_BYTELEN(buf+21*4) + FILENAME_CHARSIZE); d->info.mode = get_int32(buf + 0 * 4); d->info.uid = get_int32(buf + 1 * 4); @@ -2260,7 +2347,7 @@ file_output(ErlDrvData e, char* buf, int count) GET_TIME(d->info.accessTime, buf + 3 * 4); GET_TIME(d->info.modifyTime, buf + 9 * 4); GET_TIME(d->info.cTime, buf + 15 * 4); - strcpy(d->b, buf+21*4); + FILENAME_COPY(d->b, buf+21*4); d->command = command; d->invoke = invoke_write_info; d->free = free_data; @@ -2272,7 +2359,7 @@ file_output(ErlDrvData e, char* buf, int count) { d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + RESBUFSIZE + 1); - strcpy(d->b, name); + FILENAME_COPY(d->b, name); d->command = command; d->invoke = invoke_readlink; d->free = free_data; @@ -2281,28 +2368,29 @@ file_output(ErlDrvData e, char* buf, int count) } case FILE_ALTNAME: - { - d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + RESBUFSIZE + 1); - strcpy(d->b, name); - d->command = command; - d->invoke = invoke_altname; - d->free = free_data; - d->level = 2; - goto done; - } + { + d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 + RESBUFSIZE + 1); + FILENAME_COPY(d->b, name); + d->command = command; + d->invoke = invoke_altname; + d->free = free_data; + d->level = 2; + goto done; + } case FILE_LINK: { char* new_name; + int namelen = FILENAME_BYTELEN(name) + FILENAME_CHARSIZE; - new_name = name+strlen(name)+1; + new_name = name+namelen; d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 - + strlen(name) + 1 - + strlen(new_name) + 1); + + namelen + + FILENAME_BYTELEN(new_name) + FILENAME_CHARSIZE); - strcpy(d->b, name); - strcpy(d->b + strlen(name) + 1, new_name); + FILENAME_COPY(d->b, name); + FILENAME_COPY(d->b + namelen, new_name); d->flags = desc->flags; d->fd = fd; d->command = command; @@ -2315,14 +2403,15 @@ file_output(ErlDrvData e, char* buf, int count) case FILE_SYMLINK: { char* new_name; + int namelen = FILENAME_BYTELEN(name) + FILENAME_CHARSIZE; - new_name = name+strlen(name)+1; + new_name = name+namelen; d = EF_SAFE_ALLOC(sizeof(struct t_data) - 1 - + strlen(name) + 1 - + strlen(new_name) + 1); + + namelen + + FILENAME_BYTELEN(new_name) + FILENAME_CHARSIZE); - strcpy(d->b, name); - strcpy(d->b + strlen(name) + 1, new_name); + FILENAME_COPY(d->b, name); + FILENAME_COPY(d->b + namelen, new_name); d->flags = desc->flags; d->fd = fd; d->command = command; @@ -2332,6 +2421,21 @@ file_output(ErlDrvData e, char* buf, int count) goto done; } + case FILE_FADVISE: + { + d = EF_SAFE_ALLOC(sizeof(struct t_data)); + + d->fd = fd; + d->command = command; + d->invoke = invoke_fadvise; + d->free = free_data; + d->level = 2; + d->c.fadvise.offset = get_int64((uchar*) buf); + d->c.fadvise.length = get_int64(((uchar*) buf) + sizeof(Sint64)); + d->c.fadvise.advise = get_int32(((uchar*) buf) + 2 * sizeof(Sint64)); + goto done; + } + } /* @@ -2947,6 +3051,7 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) { case FILE_READ_FILE: { struct t_data *d; + char *filename; if (ev->size < 1+1) { /* Buffer contains empty name */ reply_posix_error(desc, ENOENT); @@ -2957,7 +3062,8 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) { reply_posix_error(desc, EINVAL); goto done; } - d = EF_ALLOC(sizeof(struct t_data) + ev->size); + filename = EV_CHAR_P(ev, p, q); + d = EF_ALLOC(sizeof(struct t_data) -1 + FILENAME_BYTELEN(filename) + FILENAME_CHARSIZE); if (! d) { reply_posix_error(desc, ENOMEM); goto done; @@ -2965,8 +3071,7 @@ file_outputv(ErlDrvData e, ErlIOVec *ev) { d->command = command; d->reply = !0; /* Copy name */ - memcpy(d->c.read_file.name, EV_CHAR_P(ev, p, q), ev->size-1); - d->c.read_file.name[ev->size-1] = '\0'; + FILENAME_COPY(d->c.read_file.name, filename); d->c.read_file.binp = NULL; d->invoke = invoke_read_file; d->free = free_read_file; diff --git a/erts/emulator/drivers/common/erl_efile.h b/erts/emulator/drivers/common/erl_efile.h index 9aa941e550..3097ded3f1 100644 --- a/erts/emulator/drivers/common/erl_efile.h +++ b/erts/emulator/drivers/common/erl_efile.h @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1997-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* @@ -32,7 +32,8 @@ #define EFILE_MODE_READ_WRITE 3 #define EFILE_MODE_APPEND 4 #define EFILE_COMPRESSED 8 -#define EFILE_NO_TRUNCATE 16 /* Special for reopening on VxWorks */ +#define EFILE_MODE_EXCL 16 +#define EFILE_NO_TRUNCATE 32 /* Special for reopening on VxWorks */ /* * Seek modes for efile_seek(). @@ -58,6 +59,14 @@ #define FA_WRITE 1 #define FA_READ 2 +/* Some OS'es (i.e. Windows) has filenames in wide charaqcters. That requires special handling */ +/* Note that we do *not* honor alignment in the communication to the OS specific driver, */ +/* which is not a problem on x86, but might be on other platforms. The OS specific efile */ +/* implementation is expected to align if needed */ +#ifdef __WIN32__ +#define FILENAMES_16BIT 1 +#endif + /* * An handle to an open directory. To be cast to the correct type * in the system-dependent directory functions. @@ -122,10 +131,11 @@ int efile_getdcwd(Efile_error* errInfo, int drive, char* buffer, size_t size); int efile_readdir(Efile_error* errInfo, char* name, EFILE_DIR_HANDLE* dir_handle, - char* buffer, size_t size); + char* buffer, size_t *size); int efile_openfile(Efile_error* errInfo, char* name, int flags, int* pfd, Sint64* pSize); void efile_closefile(int fd); +int efile_fdatasync(Efile_error* errInfo, int fd); int efile_fsync(Efile_error* errInfo, int fd); int efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, char *name, int info_for_link); @@ -150,3 +160,5 @@ int efile_altname(Efile_error* errInfo, char *name, int efile_link(Efile_error* errInfo, char* old, char* new); int efile_symlink(Efile_error* errInfo, char* old, char* new); int efile_may_openfile(Efile_error* errInfo, char *name); +int efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, Sint64 length, + int advise); diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c index 801bc61d4d..5531a275ea 100644 --- a/erts/emulator/drivers/common/gzio.c +++ b/erts/emulator/drivers/common/gzio.c @@ -28,6 +28,7 @@ #ifdef __WIN32__ #define HAVE_CONFLICTING_FREAD_DECLARATION +#define FILENAMES_16BIT 1 #endif #ifdef STDC @@ -102,6 +103,40 @@ local uLong getLong OF((gz_stream *s)); # define ERTS_GZREAD(File, Buf, Count) fread((Buf), 1, (Count), (File)) #endif +/* + * Ripped from efile_drv.c + */ + +#ifdef FILENAMES_16BIT +# define FILENAME_BYTELEN(Str) filename_len_16bit(Str) +# define FILENAME_COPY(To,From) filename_cpy_16bit((To),(From)) +# define FILENAME_CHARSIZE 2 + + static int filename_len_16bit(const char *str) + { + const char *p = str; + while(*p != '\0' || p[1] != '\0') { + p += 2; + } + return (p - str); + } + + static void filename_cpy_16bit(char *to, const char *from) + { + while(*from != '\0' || from[1] != '\0') { + *to++ = *from++; + *to++ = *from++; + } + *to++ = *from++; + *to++ = *from++; + } + +#else +# define FILENAME_BYTELEN(Str) strlen(Str) +# define FILENAME_COPY(To,From) strcpy(To,From) +# define FILENAME_CHARSIZE 1 +#endif + /* =========================================================================== Opens a gzip (.gz) file for reading or writing. The mode parameter is as in fopen ("rb" or "wb"). The file is given either by file descriptor @@ -144,11 +179,11 @@ local gzFile gz_open (path, mode) s->position = 0; s->destroy = destroy; - s->path = (char*)ALLOC(strlen(path)+1); + s->path = (char*)ALLOC(FILENAME_BYTELEN(path)+FILENAME_CHARSIZE); if (s->path == NULL) { return s->destroy(s), (gzFile)Z_NULL; } - strcpy(s->path, path); /* do this early for debugging */ + FILENAME_COPY(s->path, path); /* do this early for debugging */ s->mode = '\0'; do { @@ -194,7 +229,22 @@ local gzFile gz_open (path, mode) s->stream.avail_out = Z_BUFSIZE; errno = 0; -#ifdef UNIX +#if defined(FILENAMES_16BIT) + { + char wfmode[160]; + int i=0,j; + for(j=0;fmode[j] != '\0';++j) { + wfmode[i++]=fmode[j]; + wfmode[i++]='\0'; + } + wfmode[i++] = '\0'; + wfmode[i++] = '\0'; + s->file = F_OPEN(path, wfmode); + if (s->file == NULL) { + return s->destroy(s), (gzFile)Z_NULL; + } + } +#elif defined(UNIX) if (s->mode == 'r') { s->file = open(path, O_RDONLY); } else { diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index c6e23ee647..1382d1dfe4 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1997-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -41,15 +41,22 @@ #define STRINGIFY_1(b) IDENTITY(#b) #define STRINGIFY(a) STRINGIFY_1(a) -#ifndef _OSE_ #ifdef HAVE_UNISTD_H #include <unistd.h> #endif #ifdef HAVE_SYS_UIO_H #include <sys/uio.h> #endif -#endif +#ifdef HAVE_NET_IF_DL_H +#include <net/if_dl.h> +#endif +#ifdef HAVE_IFADDRS_H +#include <ifaddrs.h> +#endif +#ifdef HAVE_NETPACKET_PACKET_H +#include <netpacket/packet.h> +#endif /* All platforms fail on malloc errors. */ #define FATAL_MALLOC @@ -57,6 +64,21 @@ #include "erl_driver.h" +/* The IS_SOCKET_ERROR macro below is used for portability reasons. While + POSIX specifies that errors from socket-related system calls should be + indicated with a -1 return value, some users have experienced non-Windows + OS kernels that return negative values other than -1. While one can argue + that such kernels are technically broken, comparing against values less + than 0 covers their out-of-spec return values without imposing incorrect + semantics on systems that manage to correctly return -1 for errors, thus + increasing Erlang's portability. +*/ +#ifdef __WIN32__ +#define IS_SOCKET_ERROR(val) ((val) == SOCKET_ERROR) +#else +#define IS_SOCKET_ERROR(val) ((val) < 0) +#endif + #ifdef __WIN32__ #define STRNCASECMP strncasecmp @@ -66,8 +88,21 @@ #include <winsock2.h> #endif #include <windows.h> +#include <Ws2tcpip.h> /* NEED VC 6.0 or higher */ + +/* Visual studio 2008+: NTDDI_VERSION needs to be set for iphlpapi.h + to define the right structures. It needs to be set to WINXP (or LONGHORN) + for IPV6 to work and it's set lower by default, so we need to change it. */ +#ifdef HAVE_SDKDDKVER_H +# include <sdkddkver.h> +# ifdef NTDDI_VERSION +# undef NTDDI_VERSION +# endif +# define NTDDI_VERSION NTDDI_WINXP +#endif + +#include <iphlpapi.h> -#include <Ws2tcpip.h> /* NEED VC 6.0 !!! */ #undef WANT_NONBLOCKING #include "sys.h" @@ -186,18 +221,8 @@ static unsigned long one_value = 1; #include <netdb.h> #endif -#ifndef _OSE_ #include <sys/socket.h> #include <netinet/in.h> -#else -/* datatypes and macros from Solaris socket.h */ -struct linger { - int l_onoff; /* option on/off */ - int l_linger; /* linger time */ -}; -#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */ -#define SO_LINGER 0x0080 /* linger on close if data present */ -#endif #ifdef VXWORKS #include <rpc/rpctypes.h> @@ -206,12 +231,10 @@ struct linger { #include <rpc/types.h> #endif -#ifndef _OSE_ #include <netinet/tcp.h> #include <arpa/inet.h> -#endif -#if (!defined(VXWORKS) && !defined(_OSE_)) +#if (!defined(VXWORKS)) #include <sys/param.h> #ifdef HAVE_ARPA_NAMESER_H #include <arpa/nameser.h> @@ -226,33 +249,11 @@ struct linger { #include <sys/ioctl.h> #endif -#ifndef _OSE_ #include <net/if.h> -#else -#define IFF_MULTICAST 0x00000800 -#endif - -#ifdef _OSE_ -#include "inet.h" -#include "ineterr.h" -#include "ose_inet_drv.h" -#include "nameser.h" -#include "resolv.h" -#define SET_ASYNC(s) setsockopt((s), SOL_SOCKET, SO_OSEEVENT, (&(s)), sizeof(int)) - -extern void select_release(void); - -#endif /* _OSE_ */ - -/* Solaris headers, only to be used with SFK */ -#ifdef _OSE_SFK_ -#include <ctype.h> -#include <string.h> -#endif /* SCTP support -- currently for UNIX platforms only: */ #undef HAVE_SCTP -#if (!defined(VXWORKS) && !defined(_OSE_) && !defined(__WIN32__) && defined(HAVE_SCTP_H)) +#if (!defined(VXWORKS) && !defined(__WIN32__) && defined(HAVE_SCTP_H)) #include <netinet/sctp.h> @@ -315,7 +316,7 @@ static int (*p_sctp_bindx)(int sd, struct sockaddr *addrs, #define DEBUGF(X) printf X #endif -#if !defined(__WIN32__) && !defined(HAVE_STRNCASECMP) +#if !defined(HAVE_STRNCASECMP) #define STRNCASECMP my_strncasecmp static int my_strncasecmp(const char *s1, const char *s2, size_t n) @@ -335,6 +336,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define INVALID_SOCKET -1 #define INVALID_EVENT -1 #define SOCKET_ERROR -1 + #define SOCKET int #define HANDLE long int #define FD_READ ERL_DRV_READ @@ -362,20 +364,6 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define sock_htons(x) htons((x)) #define sock_htonl(x) htonl((x)) -#ifdef _OSE_ -#define sock_accept(s, addr, len) ose_inet_accept((s), (addr), (len)) -#define sock_send(s,buf,len,flag) ose_inet_send((s),(buf),(len),(flag)) -#define sock_sendto(s,buf,blen,flag,addr,alen) \ - ose_inet_sendto((s),(buf),(blen),(flag),(addr),(alen)) -#define sock_sendv(s, vec, size, np, flag) \ - (*(np) = ose_inet_sendv((s), (SysIOVec*)(vec), (size))) -#define sock_open(af, type, proto) ose_inet_socket((af), (type), (proto)) -#define sock_close(s) ose_inet_close((s)) -#define sock_hostname(buf, len) ose_gethostname((buf), (len)) -#define sock_getservbyname(name,proto) ose_getservbyname((name), (proto)) -#define sock_getservbyport(port,proto) ose_getservbyport((port), (proto)) - -#else #define sock_accept(s, addr, len) accept((s), (addr), (len)) #define sock_send(s,buf,len,flag) send((s),(buf),(len),(flag)) #define sock_sendto(s,buf,blen,flag,addr,alen) \ @@ -391,7 +379,6 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define sock_hostname(buf, len) gethostname((buf), (len)) #define sock_getservbyname(name,proto) getservbyname((name), (proto)) #define sock_getservbyport(port,proto) getservbyport((port), (proto)) -#endif /* _OSE_ */ #define sock_recv(s,buf,len,flag) recv((s),(buf),(len),(flag)) #define sock_recvfrom(s,buf,blen,flag,addr,alen) \ @@ -402,13 +389,8 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define sock_create_event(d) ((d)->s) /* return file descriptor */ #define sock_close_event(e) /* do nothing */ -#ifdef _OSE_ -#define inet_driver_select(port, e, mode, on) \ - ose_inet_select(port, e, mode, on) -#else #define inet_driver_select(port, e, mode, on) \ driver_select(port, e, mode | (on?ERL_DRV_USE:0), on) -#endif /* _OSE_ */ #define sock_select(d, flags, onoff) do { \ (d)->event_mask = (onoff) ? \ @@ -501,6 +483,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define INET_REQ_IFGET 22 #define INET_REQ_IFSET 23 #define INET_REQ_SUBSCRIBE 24 +#define INET_REQ_GETIFADDRS 25 /* TCP requests */ #define TCP_REQ_ACCEPT 40 #define TCP_REQ_LISTEN 41 @@ -666,15 +649,12 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define IS_BUSY(d) \ (((d)->state & INET_F_BUSY) == INET_F_BUSY) +#define INET_MAX_OPT_BUFFER (64*1024) + #define INET_DEF_BUFFER 1460 /* default buffer size */ #define INET_MIN_BUFFER 1 /* internal min buffer */ -#define INET_MAX_BUFFER (1024*64) /* internal max buffer */ -/* Note: INET_HIGH_WATERMARK MUST be less than 2*INET_MAX_BUFFER */ #define INET_HIGH_WATERMARK (1024*8) /* 8k pending high => busy */ -/* Note: INET_LOW_WATERMARK MUST be less than INET_MAX_BUFFER and -** less than INET_HIGH_WATERMARK -*/ #define INET_LOW_WATERMARK (1024*4) /* 4k pending => allow more */ #define INET_INFINITY 0xffffffff /* infinity value */ @@ -1085,7 +1065,7 @@ struct erl_drv_entry inet_driver_entry = }; /* XXX: is this a driver interface function ??? */ -extern void erl_exit(int n, char*, _DOTS_); +void erl_exit(int n, char*, ...); /* * Malloc wrapper, @@ -1285,139 +1265,136 @@ static int load_ip_and_port LOAD_ATOM((spec), (i), (flag) ? am_true : am_false); #endif /* HAVE_SCTP */ +/* Assume a cache line size of 64 bytes */ +#define INET_DRV_CACHE_LINE_SIZE ((ErlDrvUInt) 64) +#define INET_DRV_CACHE_LINE_MASK (INET_DRV_CACHE_LINE_SIZE - 1) + /* ** Binary Buffer Managment ** We keep a stack of usable buffers */ -#define BUFFER_STACK_SIZE 16 +#define BUFFER_STACK_SIZE 14 +#define BUFFER_STACK_MAX_MEM_SIZE (1024*1024) -static erts_smp_spinlock_t inet_buffer_stack_lock; -static ErlDrvBinary* buffer_stack[BUFFER_STACK_SIZE]; -static int buffer_stack_pos = 0; +ErlDrvTSDKey buffer_stack_key; +typedef struct { + int mem_size; + int pos; + ErlDrvBinary* stk[BUFFER_STACK_SIZE]; +} InetDrvBufStkBase; -/* - * XXX - * The erts_smp_spin_* functions should not be used by drivers (but this - * driver is special). Replace when driver locking api has been implemented. - * /rickard - */ -#define BUFSTK_LOCK erts_smp_spin_lock(&inet_buffer_stack_lock); -#define BUFSTK_UNLOCK erts_smp_spin_unlock(&inet_buffer_stack_lock); - -#ifdef DEBUG -static int tot_buf_allocated = 0; /* memory in use for i_buf */ -static int tot_buf_stacked = 0; /* memory on stack */ -static int max_buf_allocated = 0; /* max allocated */ - -#define COUNT_BUF_ALLOC(sz) do { \ - BUFSTK_LOCK; \ - tot_buf_allocated += (sz); \ - if (tot_buf_allocated > max_buf_allocated) \ - max_buf_allocated = tot_buf_allocated; \ - BUFSTK_UNLOCK; \ -} while(0) - -#define COUNT_BUF_FREE(sz) do { \ - BUFSTK_LOCK; \ - tot_buf_allocated -= (sz); \ - BUFSTK_UNLOCK; \ - } while(0) - -#define COUNT_BUF_STACK(sz) do { \ - BUFSTK_LOCK; \ - tot_buf_stacked += (sz); \ - BUFSTK_UNLOCK; \ - } while(0) - -#else +typedef struct { + InetDrvBufStkBase buf; + char align[(((sizeof(InetDrvBufStkBase) - 1) / INET_DRV_CACHE_LINE_SIZE) + 1) + * INET_DRV_CACHE_LINE_SIZE]; +} InetDrvBufStk; + +static InetDrvBufStk *get_bufstk(void) +{ + InetDrvBufStk *bs = erl_drv_tsd_get(buffer_stack_key); + if (bs) + return bs; + bs = driver_alloc(sizeof(InetDrvBufStk) + + INET_DRV_CACHE_LINE_SIZE - 1); + if (!bs) + return NULL; + if ((((ErlDrvUInt) bs) & INET_DRV_CACHE_LINE_MASK) != 0) + bs = ((InetDrvBufStk *) + ((((ErlDrvUInt) bs) & ~INET_DRV_CACHE_LINE_MASK) + + INET_DRV_CACHE_LINE_SIZE)); + erl_drv_tsd_set(buffer_stack_key, bs); + bs->buf.pos = 0; + bs->buf.mem_size = 0; -#define COUNT_BUF_ALLOC(sz) -#define COUNT_BUF_FREE(sz) -#define COUNT_BUF_STACK(sz) + ASSERT(bs == erl_drv_tsd_get(buffer_stack_key)); -#endif + return bs; +} static ErlDrvBinary* alloc_buffer(long minsz) { - ErlDrvBinary* buf = NULL; + InetDrvBufStk *bs = get_bufstk(); - BUFSTK_LOCK; + DEBUGF(("alloc_buffer: %ld\r\n", minsz)); - DEBUGF(("alloc_buffer: sz = %ld, tot = %d, max = %d\r\n", - minsz, tot_buf_allocated, max_buf_allocated)); + if (bs && bs->buf.pos > 0) { + long size; + ErlDrvBinary* buf = bs->buf.stk[--bs->buf.pos]; + size = buf->orig_size; + bs->buf.mem_size -= size; + ASSERT(0 <= bs->buf.mem_size + && bs->buf.mem_size <= BUFFER_STACK_MAX_MEM_SIZE); + if (size >= minsz) + return buf; - if (buffer_stack_pos > 0) { - int origsz; + driver_free_binary(buf); + } - buf = buffer_stack[--buffer_stack_pos]; - origsz = buf->orig_size; - BUFSTK_UNLOCK; - COUNT_BUF_STACK(-origsz); - if (origsz < minsz) { - if ((buf = driver_realloc_binary(buf, minsz)) == NULL) - return NULL; - COUNT_BUF_ALLOC(buf->orig_size - origsz); + ASSERT(!bs || bs->buf.pos != 0 || bs->buf.mem_size == 0); + + return driver_alloc_binary(minsz); +} + +/*#define CHECK_DOUBLE_RELEASE 1*/ +#ifdef CHECK_DOUBLE_RELEASE +static void +check_double_release(InetDrvBufStk *bs, ErlDrvBinary* buf) +{ +#ifdef __GNUC__ +#warning CHECK_DOUBLE_RELEASE is enabled, this is a custom build emulator +#endif + int i; + for (i = 0; i < bs->buf.pos; ++i) { + if (bs->buf.stk[i] == buf) { + erl_exit(ERTS_ABORT_EXIT, + "Multiple buffer release in inet_drv, this " + "is a bug, save the core and send it to " + "[email protected]!"); } } - else { - BUFSTK_UNLOCK; - if ((buf = driver_alloc_binary(minsz)) == NULL) - return NULL; - COUNT_BUF_ALLOC(buf->orig_size); - } - return buf; } +#endif -/* -** Max buffer memory "cached" BUFFER_STACK_SIZE * INET_MAX_BUFFER -** (16 * 64k ~ 1M) -*/ -/*#define CHECK_DOUBLE_RELEASE 1*/ static void release_buffer(ErlDrvBinary* buf) { + InetDrvBufStk *bs; + long size; + DEBUGF(("release_buffer: %ld\r\n", (buf==NULL) ? 0 : buf->orig_size)); - if (buf == NULL) + + if (!buf) return; - BUFSTK_LOCK; - if ((buf->orig_size > INET_MAX_BUFFER) || - (buffer_stack_pos >= BUFFER_STACK_SIZE)) { - BUFSTK_UNLOCK; - COUNT_BUF_FREE(buf->orig_size); + + size = buf->orig_size; + + if (size > BUFFER_STACK_MAX_MEM_SIZE) + goto free_binary; + + bs = get_bufstk(); + if (!bs + || (bs->buf.mem_size + size > BUFFER_STACK_MAX_MEM_SIZE) + || (bs->buf.pos >= BUFFER_STACK_SIZE)) { + free_binary: driver_free_binary(buf); } else { #ifdef CHECK_DOUBLE_RELEASE -#ifdef __GNUC__ -#warning CHECK_DOUBLE_RELEASE is enabled, this is a custom build emulator + check_double_release(bs, buf); #endif - int i; - for (i = 0; i < buffer_stack_pos; ++i) { - if (buffer_stack[i] == buf) { - erl_exit(1,"Multiple buffer release in inet_drv, this is a " - "bug, save the core and send it to " - "[email protected]!"); - } - } -#endif - buffer_stack[buffer_stack_pos++] = buf; - BUFSTK_UNLOCK; - COUNT_BUF_STACK(buf->orig_size); + ASSERT(bs->buf.pos != 0 || bs->buf.mem_size == 0); + + bs->buf.mem_size += size; + bs->buf.stk[bs->buf.pos++] = buf; + + ASSERT(0 <= bs->buf.mem_size + && bs->buf.mem_size <= BUFFER_STACK_MAX_MEM_SIZE); } } static ErlDrvBinary* realloc_buffer(ErlDrvBinary* buf, long newsz) { - ErlDrvBinary* bin; -#ifdef DEBUG - long orig_size = buf->orig_size; -#endif - - if ((bin = driver_realloc_binary(buf,newsz)) != NULL) { - COUNT_BUF_ALLOC(newsz - orig_size); - ; - } - return bin; + return driver_realloc_binary(buf, newsz); } /* use a TRICK, access the refc field to see if any one else has @@ -1431,10 +1408,8 @@ static void free_buffer(ErlDrvBinary* buf) if (buf != NULL) { if (driver_binary_get_refc(buf) == 1) release_buffer(buf); - else { - COUNT_BUF_FREE(buf->orig_size); + else driver_free_binary(buf); - } } } @@ -2208,7 +2183,7 @@ static int http_error_inetdrv(void* arg, const char* buf, int len) ErlDrvTermData spec[19]; if (desc->inet.active == INET_PASSIVE) { - /* {inet_async,S,Ref,{error,{http_error,Line}}} */ + /* {inet_async,S,Ref,{ok,{http_error,Line}}} */ int req; int aid; ErlDrvTermData caller; @@ -2218,7 +2193,7 @@ static int http_error_inetdrv(void* arg, const char* buf, int len) i = LOAD_ATOM(spec, i, am_inet_async); i = LOAD_PORT(spec, i, desc->inet.dport); i = LOAD_INT(spec, i, aid); - i = LOAD_ATOM(spec, i, am_error); + i = LOAD_ATOM(spec, i, am_ok); i = LOAD_ATOM(spec, i, am_http_error); i = http_load_string(desc, spec, i, buf, len); i = LOAD_TUPLE(spec, i, 2); @@ -3438,20 +3413,14 @@ static int inet_init() if (!sock_init()) goto error; - buffer_stack_pos = 0; - - erts_smp_spinlock_init(&inet_buffer_stack_lock, "inet_buffer_stack_lock"); + if (0 != erl_drv_tsd_key_create("inet_buffer_stack_key", &buffer_stack_key)) + goto error; ASSERT(sizeof(struct in_addr) == 4); # if defined(HAVE_IN6) && defined(AF_INET6) ASSERT(sizeof(struct in6_addr) == 16); # endif -#ifdef DEBUG - tot_buf_allocated = 0; - max_buf_allocated = 0; - tot_buf_stacked = 0; -#endif INIT_ATOM(ok); INIT_ATOM(tcp); INIT_ATOM(udp); @@ -3480,13 +3449,9 @@ static int inet_init() INIT_ATOM(scheme); /* add TCP, UDP and SCTP drivers */ -#ifdef _OSE_ - add_ose_tcp_drv_entry(&tcp_inet_driver_entry); - add_ose_udp_drv_entry(&udp_inet_driver_entry); -#else add_driver_entry(&tcp_inet_driver_entry); add_driver_entry(&udp_inet_driver_entry); -# ifdef HAVE_SCTP +#ifdef HAVE_SCTP /* Check the size of SCTP AssocID -- currently both this driver and the Erlang part require 32 bit: */ ASSERT(sizeof(sctp_assoc_t)==ASSOC_ID_LEN); @@ -3501,8 +3466,8 @@ static int inet_init() add_driver_entry(&sctp_inet_driver_entry); } } -# endif -#endif /* _OSE_ */ +#endif + /* remove the dummy inet driver */ remove_driver_entry(&inet_driver_entry); return 0; @@ -3744,7 +3709,7 @@ static int inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, unsigned int sz = sizeof(name); /* check that it is a socket and that the socket is bound */ - if (sock_name(s, (struct sockaddr*) &name, &sz) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_name(s, (struct sockaddr*) &name, &sz))) return ctl_error(sock_errno(), rbuf, rsize); desc->s = s; if ((desc->event = sock_create_event(desc)) == INVALID_EVENT) @@ -3756,7 +3721,7 @@ static int inet_ctl_fdopen(inet_descriptor* desc, int domain, int type, desc->state = INET_STATE_BOUND; /* assume bound */ if (type == SOCK_STREAM) { /* check if connected */ sz = sizeof(name); - if (sock_peer(s, (struct sockaddr*) &name, &sz) != SOCKET_ERROR) + if (!IS_SOCKET_ERROR(sock_peer(s, (struct sockaddr*) &name, &sz))) desc->state = INET_STATE_CONNECTED; } @@ -3862,39 +3827,81 @@ do { if ((end)-(ptr) < (n)) goto error; } while(0) static char* sockaddr_to_buf(struct sockaddr* addr, char* ptr, char* end) { if (addr->sa_family == AF_INET || addr->sa_family == 0) { - struct in_addr a; - buf_check(ptr,end,sizeof(struct in_addr)); - a = ((struct sockaddr_in*) addr)->sin_addr; - sys_memcpy(ptr, (char*)&a, sizeof(struct in_addr)); - return ptr + sizeof(struct in_addr); + struct in_addr *p = &(((struct sockaddr_in*) addr)->sin_addr); + buf_check(ptr, end, 1 + sizeof(struct in_addr)); + *ptr = INET_AF_INET; + sys_memcpy(ptr+1, (char*)p, sizeof(struct in_addr)); + return ptr + 1 + sizeof(struct in_addr); } #if defined(HAVE_IN6) && defined(AF_INET6) else if (addr->sa_family == AF_INET6) { - struct in6_addr a; - buf_check(ptr,end,sizeof(struct in6_addr)); - a = ((struct sockaddr_in6*) addr)->sin6_addr; - sys_memcpy(ptr, (char*)&a, sizeof(struct in6_addr)); - return ptr + sizeof(struct in6_addr); + struct in6_addr *p = &(((struct sockaddr_in6*) addr)->sin6_addr); + buf_check(ptr, end, 1 + sizeof(struct in6_addr)); + *ptr = INET_AF_INET6; + sys_memcpy(ptr+1, (char*)p, sizeof(struct in6_addr)); + return ptr + 1 + sizeof(struct in6_addr); } #endif +#if defined(AF_LINK) + else if (addr->sa_family == AF_LINK) { + struct sockaddr_dl *sdl_p = (struct sockaddr_dl*) addr; + buf_check(ptr, end, 2 + sdl_p->sdl_alen); + put_int16(sdl_p->sdl_alen, ptr); ptr += 2; + sys_memcpy(ptr, sdl_p->sdl_data + sdl_p->sdl_nlen, sdl_p->sdl_alen); + return ptr + sdl_p->sdl_alen; + } +#endif +#if defined(AF_PACKET) && defined(HAVE_NETPACKET_PACKET_H) + else if(addr->sa_family == AF_PACKET) { + struct sockaddr_ll *sll_p = (struct sockaddr_ll*) addr; + buf_check(ptr, end, 2 + sll_p->sll_halen); + put_int16(sll_p->sll_halen, ptr); ptr += 2; + sys_memcpy(ptr, sll_p->sll_addr, sll_p->sll_halen); + return ptr + sll_p->sll_halen; + } +#endif + return ptr; error: return NULL; - } static char* buf_to_sockaddr(char* ptr, char* end, struct sockaddr* addr) { - buf_check(ptr,end,sizeof(struct in_addr)); - sys_memcpy((char*) &((struct sockaddr_in*)addr)->sin_addr, ptr, - sizeof(struct in_addr)); - addr->sa_family = AF_INET; - return ptr + sizeof(struct in_addr); - + buf_check(ptr,end,1); + switch (*ptr++) { + case INET_AF_INET: { + struct in_addr *p = &((struct sockaddr_in*)addr)->sin_addr; + buf_check(ptr,end,sizeof(struct in_addr)); + sys_memcpy((char*) p, ptr, sizeof(struct in_addr)); + addr->sa_family = AF_INET; + return ptr + sizeof(struct in_addr); + } + case INET_AF_INET6: { + struct in6_addr *p = &((struct sockaddr_in6*)addr)->sin6_addr; + buf_check(ptr,end,sizeof(struct in6_addr)); + sys_memcpy((char*) p, ptr, sizeof(struct in6_addr)); + addr->sa_family = AF_INET6; + return ptr + sizeof(struct in6_addr); + } + } error: return NULL; } +#if defined (IFF_POINTOPOINT) +#define IFGET_FLAGS(cflags) IFGET_FLAGS_P2P(cflags, IFF_POINTOPOINT) +#elif defined IFF_POINTTOPOINT +#define IFGET_FLAGS(cflags) IFGET_FLAGS_P2P(cflags, IFF_POINTTOPOINT) +#endif + +#define IFGET_FLAGS_P2P(cflags, iff_ptp) \ + ((((cflags) & IFF_UP) ? INET_IFF_UP : 0) | \ + (((cflags) & IFF_BROADCAST) ? INET_IFF_BROADCAST : 0) | \ + (((cflags) & IFF_LOOPBACK) ? INET_IFF_LOOPBACK : 0) | \ + (((cflags) & iff_ptp) ? INET_IFF_POINTTOPOINT : 0) | \ + (((cflags) & IFF_UP) ? INET_IFF_RUNNING : 0) | /* emulate running ? */ \ + (((cflags) & IFF_MULTICAST) ? INET_IFF_MULTICAST : 0)) #if defined(__WIN32__) && defined(SIO_GET_INTERFACE_LIST) @@ -3932,7 +3939,6 @@ static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) return ctl_reply(INET_REP_OK, sbuf, sptr - sbuf, rbuf, rsize); } - /* input is an ip-address in string format i.e A.B.C.D ** scan the INTERFACE_LIST to get the options */ @@ -3949,7 +3955,7 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, INTERFACE_INFO* ifp; long namaddr; - if ((len == 0) || ((namlen = buf[0]) > len)) + if ((len == 0) || ((namlen = get_int8(buf)) > len)) goto error; if (parse_addr(buf+1, namlen, &namaddr) < 0) goto error; @@ -4018,27 +4024,12 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, break; case INET_IFOPT_FLAGS: { - long eflags = 0; int flags = ifp->iiFlags; /* just enumerate the interfaces (no names) */ - /* translate flags */ - if (flags & IFF_UP) - eflags |= INET_IFF_UP; - if (flags & IFF_BROADCAST) - eflags |= INET_IFF_BROADCAST; - if (flags & IFF_LOOPBACK) - eflags |= INET_IFF_LOOPBACK; - if (flags & IFF_POINTTOPOINT) - eflags |= INET_IFF_POINTTOPOINT; - if (flags & IFF_UP) /* emulate runnign ? */ - eflags |= INET_IFF_RUNNING; - if (flags & IFF_MULTICAST) - eflags |= INET_IFF_MULTICAST; - buf_check(sptr, s_end, 5); *sptr++ = INET_IFOPT_FLAGS; - put_int32(eflags, sptr); + put_int32(IFGET_FLAGS(flags), sptr); sptr += 4; break; } @@ -4059,7 +4050,6 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); } - #elif defined(SIOCGIFCONF) && defined(SIOCSIFFLAGS) /* cygwin has SIOCGIFCONF but not SIOCSIFFLAGS (Nov 2002) */ @@ -4070,69 +4060,81 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, #define SIZEA(p) (sizeof (p)) #endif - -static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) -{ - struct ifconf ifc; - struct ifreq *ifr; - char *buf; - int buflen, ifc_len, i; - char *sbuf, *sp; - - /* Courtesy of Per Bergqvist and W. Richard Stevens */ - - ifc_len = 0; - buflen = 100 * sizeof(struct ifreq); - buf = ALLOC(buflen); +static int get_ifconf(SOCKET s, struct ifconf *ifcp) { + int ifc_len = 0; + int buflen = 100 * sizeof(struct ifreq); + char *buf = ALLOC(buflen); for (;;) { - ifc.ifc_len = buflen; - ifc.ifc_buf = buf; - if (ioctl(desc->s, SIOCGIFCONF, (char *)&ifc) < 0) { + ifcp->ifc_len = buflen; + ifcp->ifc_buf = buf; + if (ioctl(s, SIOCGIFCONF, (char *)ifcp) < 0) { int res = sock_errno(); if (res != EINVAL || ifc_len) { FREE(buf); - return ctl_error(res, rbuf, rsize); + return -1; } } else { - if (ifc.ifc_len == ifc_len) break; /* buf large enough */ - ifc_len = ifc.ifc_len; + if (ifcp->ifc_len == ifc_len) break; /* buf large enough */ + ifc_len = ifcp->ifc_len; } buflen += 10 * sizeof(struct ifreq); buf = (char *)REALLOC(buf, buflen); } - - sp = sbuf = ALLOC(ifc_len+1); + return 0; +} + +static void free_ifconf(struct ifconf *ifcp) { + FREE(ifcp->ifc_buf); +} + +static int inet_ctl_getiflist(inet_descriptor* desc, char** rbuf, int rsize) +{ + struct ifconf ifc; + struct ifreq *ifrp; + char *sbuf, *sp; + int i; + + /* Courtesy of Per Bergqvist and W. Richard Stevens */ + + if (get_ifconf(desc->s, &ifc) < 0) { + return ctl_error(sock_errno(), rbuf, rsize); + } + + sp = sbuf = ALLOC(ifc.ifc_len+1); *sp++ = INET_REP_OK; i = 0; for (;;) { int n; - - ifr = (struct ifreq *) VOIDP(buf + i); - n = sizeof(ifr->ifr_name) + SIZEA(ifr->ifr_addr); - if (n < sizeof(*ifr)) n = sizeof(*ifr); - if (i+n > ifc_len) break; + + ifrp = (struct ifreq *) VOIDP(ifc.ifc_buf + i); + n = sizeof(ifrp->ifr_name) + SIZEA(ifrp->ifr_addr); + if (n < sizeof(*ifrp)) n = sizeof(*ifrp); + if (i+n > ifc.ifc_len) break; i += n; - - switch (ifr->ifr_addr.sa_family) { + + switch (ifrp->ifr_addr.sa_family) { #if defined(HAVE_IN6) && defined(AF_INET6) case AF_INET6: #endif case AF_INET: - ASSERT(sp+IFNAMSIZ+1 < sbuf+buflen+1) - strncpy(sp, ifr->ifr_name, IFNAMSIZ); + ASSERT(sp+IFNAMSIZ+1 < sbuf+ifc.ifc_len+1) + strncpy(sp, ifrp->ifr_name, IFNAMSIZ); sp[IFNAMSIZ] = '\0'; sp += strlen(sp), ++sp; } - - if (i >= ifc_len) break; + + if (i >= ifc.ifc_len) break; } - FREE(buf); + free_ifconf(&ifc); *rbuf = sbuf; return sp - sbuf; } - +/* FIXME: temporary hack */ +#ifndef IFHWADDRLEN +#define IFHWADDRLEN 6 +#endif static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, char** rbuf, int rsize) @@ -4143,11 +4145,11 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, struct ifreq ifreq; int namlen; - if ((len == 0) || ((namlen = buf[0]) > len)) + if ((len == 0) || ((namlen = get_int8(buf)) > len)) goto error; sys_memset(ifreq.ifr_name, '\0', IFNAMSIZ); sys_memcpy(ifreq.ifr_name, buf+1, - (namlen > IFNAMSIZ) ? IFNAMSIZ : namlen); + (namlen >= IFNAMSIZ) ? IFNAMSIZ-1 : namlen); buf += (namlen+1); len -= (namlen+1); sptr = sbuf; @@ -4167,11 +4169,52 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, #ifdef SIOCGIFHWADDR if (ioctl(desc->s, SIOCGIFHWADDR, (char *)&ifreq) < 0) break; - buf_check(sptr, s_end, 1+IFHWADDRLEN); + buf_check(sptr, s_end, 1+2+IFHWADDRLEN); *sptr++ = INET_IFOPT_HWADDR; + put_int16(IFHWADDRLEN, sptr); sptr += 2; /* raw memcpy (fix include autoconf later) */ sys_memcpy(sptr, (char*)(&ifreq.ifr_hwaddr.sa_data), IFHWADDRLEN); sptr += IFHWADDRLEN; +#elif defined(SIOCGENADDR) + if (ioctl(desc->s, SIOCGENADDR, (char *)&ifreq) < 0) + break; + buf_check(sptr, s_end, 1+2+sizeof(ifreq.ifr_enaddr)); + *sptr++ = INET_IFOPT_HWADDR; + put_int16(sizeof(ifreq.ifr_enaddr), sptr); sptr += 2; + /* raw memcpy (fix include autoconf later) */ + sys_memcpy(sptr, (char*)(&ifreq.ifr_enaddr), + sizeof(ifreq.ifr_enaddr)); + sptr += sizeof(ifreq.ifr_enaddr); +#elif defined(HAVE_GETIFADDRS) && defined(AF_LINK) + struct ifaddrs *ifa, *ifp; + struct sockaddr_dl *sdlp; + int found = 0; + + if (getifaddrs(&ifa) == -1) + goto error; + + for (ifp = ifa; ifp; ifp = ifp->ifa_next) { + if ((ifp->ifa_addr->sa_family == AF_LINK) && + (sys_strcmp(ifp->ifa_name, ifreq.ifr_name) == 0)) { + found = 1; + break; + } + } + + if (found == 0) { + freeifaddrs(ifa); + break; + } + sdlp = (struct sockaddr_dl *)ifp->ifa_addr; + + buf_check(sptr, s_end, 1+2+sdlp->sdl_alen); + *sptr++ = INET_IFOPT_HWADDR; + put_int16(sdlp->sdl_alen, sptr); sptr += 2; + sys_memcpy(sptr, + sdlp->sdl_data + sdlp->sdl_nlen, + sdlp->sdl_alen); + freeifaddrs(ifa); + sptr += sdlp->sdl_alen; #endif break; } @@ -4248,29 +4291,15 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, case INET_IFOPT_FLAGS: { int flags; - int eflags = 0; if (ioctl(desc->s, SIOCGIFFLAGS, (char*)&ifreq) < 0) flags = 0; else flags = ifreq.ifr_flags; - /* translate flags */ - if (flags & IFF_UP) - eflags |= INET_IFF_UP; - if (flags & IFF_BROADCAST) - eflags |= INET_IFF_BROADCAST; - if (flags & IFF_LOOPBACK) - eflags |= INET_IFF_LOOPBACK; - if (flags & IFF_POINTOPOINT) - eflags |= INET_IFF_POINTTOPOINT; - if (flags & IFF_RUNNING) - eflags |= INET_IFF_RUNNING; - if (flags & IFF_MULTICAST) - eflags |= INET_IFF_MULTICAST; buf_check(sptr, s_end, 5); *sptr++ = INET_IFOPT_FLAGS; - put_int32(eflags, sptr); + put_int32(IFGET_FLAGS(flags), sptr); sptr += 4; break; } @@ -4284,10 +4313,6 @@ static int inet_ctl_ifget(inet_descriptor* desc, char* buf, int len, return ctl_error(EINVAL, rbuf, rsize); } -/* FIXME: temporary hack */ -#ifndef IFHWADDRLEN -#define IFHWADDRLEN 6 -#endif static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, char** rbuf, int rsize) @@ -4296,11 +4321,11 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, int namlen; char* b_end = buf + len; - if ((len == 0) || ((namlen = buf[0]) > len)) + if ((len == 0) || ((namlen = get_int8(buf)) > len)) goto error; sys_memset(ifreq.ifr_name, '\0', IFNAMSIZ); sys_memcpy(ifreq.ifr_name, buf+1, - (namlen > IFNAMSIZ) ? IFNAMSIZ : namlen); + (namlen >= IFNAMSIZ) ? IFNAMSIZ-1 : namlen); buf += (namlen+1); len -= (namlen+1); @@ -4312,17 +4337,22 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, (void) ioctl(desc->s, SIOCSIFADDR, (char*)&ifreq); break; - case INET_IFOPT_HWADDR: - buf_check(buf, b_end, IFHWADDRLEN); + case INET_IFOPT_HWADDR: { + unsigned int len; + buf_check(buf, b_end, 2); + len = get_int16(buf); buf += 2; + buf_check(buf, b_end, len); #ifdef SIOCSIFHWADDR /* raw memcpy (fix include autoconf later) */ - sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, IFHWADDRLEN); + sys_memset((char*)(&ifreq.ifr_hwaddr.sa_data), + '\0', sizeof(ifreq.ifr_hwaddr.sa_data)); + sys_memcpy((char*)(&ifreq.ifr_hwaddr.sa_data), buf, len); (void) ioctl(desc->s, SIOCSIFHWADDR, (char *)&ifreq); #endif - buf += IFHWADDRLEN; + buf += len; break; - + } case INET_IFOPT_BROADADDR: #ifdef SIOCSIFBRDADDR @@ -4427,6 +4457,551 @@ static int inet_ctl_ifset(inet_descriptor* desc, char* buf, int len, #endif + + +/* Latin-1 to utf8 */ + +static int utf8_len(const char *c, int m) { + int l; + for (l = 0; m; c++, l++, m--) { + if (*c == '\0') break; + if ((*c & 0x7f) != *c) l++; + } + return l; +} + +static void utf8_encode(const char *c, int m, char *p) { + for (; m; c++, m--) { + if (*c == '\0') break; + if ((*c & 0x7f) != *c) { + *p++ = (char) (0xC0 | (0x03 & (*c >> 6))); + *p++ = (char) (0x80 | (0x3F & *c)); + } else { + *p++ = (char) *c; + } + } +} + +#if defined(__WIN32__) + +static void set_netmask_bytes(char *c, int len, int pref_len) { + int i, m; + for (i = 0, m = pref_len >> 3; i < m && i < len; i++) c[i] = '\xFF'; + if (i < len) c[i++] = 0xFF << (8 - (pref_len & 7)); + for (; i < len; i++) c[i] = '\0'; +} + + +int eq_masked_bytes(char *a, char *b, int pref_len) { + int i, m; + for (i = 0, m = pref_len >> 3; i < m; i++) { + if (a[i] != b[i]) return 0; + } + m = pref_len & 7; + if (m) { + m = 0xFF & (0xFF << (8 - m)); + if ((a[i] & m) != (b[i] & m)) return 0; + } + return !0; +} + +static int inet_ctl_getifaddrs(inet_descriptor* desc_p, + char **rbuf_pp, int rsize) +{ + int i; + DWORD ret, n; + IP_INTERFACE_INFO *info_p; + MIB_IPADDRTABLE *ip_addrs_p; + IP_ADAPTER_ADDRESSES *ip_adaddrs_p, *ia_p; + + char *buf_p; + char *buf_alloc_p; + int buf_size =512; +# define BUF_ENSURE(Size) \ + do { \ + int NEED_, GOT_ = buf_p - buf_alloc_p; \ + NEED_ = GOT_ + (Size); \ + if (NEED_ > buf_size) { \ + buf_size = NEED_ + 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + } while(0) +# define SOCKADDR_TO_BUF(opt, sa) \ + do { \ + if (sa) { \ + char *P_; \ + *buf_p++ = (opt); \ + while (! (P_ = sockaddr_to_buf((sa), buf_p, \ + buf_alloc_p+buf_size))) { \ + int GOT_ = buf_p - buf_alloc_p; \ + buf_size += 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + if (P_ == buf_p) { \ + buf_p--; \ + } else { \ + buf_p = P_; \ + } \ + } \ + } while (0) + + { + /* Try GetAdaptersAddresses, if it is available */ + unsigned long ip_adaddrs_size = 16 * 1024; + ULONG family = AF_UNSPEC; + ULONG flags = + GAA_FLAG_INCLUDE_PREFIX | GAA_FLAG_SKIP_ANYCAST | + GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_SKIP_FRIENDLY_NAME | + GAA_FLAG_SKIP_MULTICAST; + ULONG (WINAPI *fpGetAdaptersAddresses) + (ULONG, ULONG, PVOID, PIP_ADAPTER_ADDRESSES, PULONG); + HMODULE iphlpapi = GetModuleHandle("iphlpapi"); + fpGetAdaptersAddresses = (void *) + (iphlpapi ? + GetProcAddress(iphlpapi, "GetAdaptersAddresses") : + NULL); + if (fpGetAdaptersAddresses) { + ip_adaddrs_p = ALLOC(ip_adaddrs_size); + for (i = 17; i; i--) { + ret = fpGetAdaptersAddresses( + family, flags, NULL, ip_adaddrs_p, &ip_adaddrs_size); + ip_adaddrs_p = REALLOC(ip_adaddrs_p, ip_adaddrs_size); + if (ret == NO_ERROR) break; + if (ret == ERROR_BUFFER_OVERFLOW) continue; + i = 0; + } + if (! i) { + FREE(ip_adaddrs_p); + ip_adaddrs_p = NULL; + } + } else ip_adaddrs_p = NULL; + } + + { + /* Load the IP_INTERFACE_INFO table (only IPv4 interfaces), + * reliable source of interface names on XP + */ + unsigned long info_size = 4 * 1024; + info_p = ALLOC(info_size); + for (i = 17; i; i--) { + ret = GetInterfaceInfo(info_p, &info_size); + info_p = REALLOC(info_p, info_size); + if (ret == NO_ERROR) break; + if (ret == ERROR_INSUFFICIENT_BUFFER) continue; + i = 0; + } + if (! i) { + FREE(info_p); + info_p = NULL; + } + } + + if (! ip_adaddrs_p) { + /* If GetAdaptersAddresses gave nothing we fall back to + * MIB_IPADDRTABLE (only IPv4 interfaces) + */ + unsigned long ip_addrs_size = 16 * sizeof(*ip_addrs_p); + ip_addrs_p = ALLOC(ip_addrs_size); + for (i = 17; i; i--) { + ret = GetIpAddrTable(ip_addrs_p, &ip_addrs_size, FALSE); + ip_addrs_p = REALLOC(ip_addrs_p, ip_addrs_size); + if (ret == NO_ERROR) break; + if (ret == ERROR_INSUFFICIENT_BUFFER) continue; + i = 0; + } + if (! i) { + if (info_p) FREE(info_p); + FREE(ip_addrs_p); + return ctl_reply(INET_REP_OK, NULL, 0, rbuf_pp, rsize); + } + } else ip_addrs_p = NULL; + + buf_p = buf_alloc_p = ALLOC(buf_size); + *buf_p++ = INET_REP_OK; + + /* Iterate over MIB_IPADDRTABLE or IP_ADAPTER_ADDRESSES */ + for (ia_p = NULL, ip_addrs_p ? ((void *)(i = 0)) : (ia_p = ip_adaddrs_p); + ip_addrs_p ? (i < ip_addrs_p->dwNumEntries) : (ia_p != NULL); + ip_addrs_p ? ((void *)(i++)) : (ia_p = ia_p->Next)) { + MIB_IPADDRROW *ipaddrrow_p = NULL; + DWORD flags = INET_IFF_MULTICAST; + DWORD index = 0; + WCHAR *wname_p = NULL; + MIB_IFROW ifrow; + + if (ip_addrs_p) { + ipaddrrow_p = ip_addrs_p->table + i; + index = ipaddrrow_p->dwIndex; + } else { + index = ia_p->IfIndex; + if (ia_p->Flags & IP_ADAPTER_NO_MULTICAST) { + flags &= ~INET_IFF_MULTICAST; + } + } +index: + if (! index) goto done; + sys_memzero(&ifrow, sizeof(ifrow)); + ifrow.dwIndex = index; + if (GetIfEntry(&ifrow) != NO_ERROR) break; + /* Find the interface name - first try MIB_IFROW.wzname */ + if (ifrow.wszName[0] != 0) { + wname_p = ifrow.wszName; + } else { + /* Then try IP_ADAPTER_INDEX_MAP.Name (only IPv4 adapters) */ + int j; + for (j = 0; j < info_p->NumAdapters; j++) { + if (info_p->Adapter[j].Index == (ULONG) ifrow.dwIndex) { + if (info_p->Adapter[j].Name[0] != 0) { + wname_p = info_p->Adapter[j].Name; + } + break; + } + } + } + if (wname_p) { + int len; + /* Convert interface name to UTF-8 */ + len = + WideCharToMultiByte( + CP_UTF8, 0, wname_p, -1, NULL, 0, NULL, NULL); + if (! len) break; + BUF_ENSURE(len); + WideCharToMultiByte( + CP_UTF8, 0, wname_p, -1, buf_p, len, NULL, NULL); + buf_p += len; + } else { + /* Found no name - + * use "MIB_IFROW.dwIndex: MIB_IFROW.bDescr" as name instead */ + int l; + l = utf8_len(ifrow.bDescr, ifrow.dwDescrLen); + BUF_ENSURE(9 + l+1); + buf_p += + erts_sprintf( + buf_p, "%lu: ", (unsigned long) ifrow.dwIndex); + utf8_encode(ifrow.bDescr, ifrow.dwDescrLen, buf_p); + buf_p += l; + *buf_p++ = '\0'; + } + /* Interface flags, often make up broadcast and multicast flags */ + switch (ifrow.dwType) { + case IF_TYPE_ETHERNET_CSMACD: + flags |= INET_IFF_BROADCAST; + break; + case IF_TYPE_SOFTWARE_LOOPBACK: + flags |= INET_IFF_LOOPBACK; + flags &= ~INET_IFF_MULTICAST; + break; + default: + flags &= ~INET_IFF_MULTICAST; + break; + } + if (ifrow.dwAdminStatus) { + flags |= INET_IFF_UP; + switch (ifrow.dwOperStatus) { + case IF_OPER_STATUS_CONNECTING: + flags |= INET_IFF_POINTTOPOINT; + break; + case IF_OPER_STATUS_CONNECTED: + flags |= INET_IFF_RUNNING | INET_IFF_POINTTOPOINT; + break; + case IF_OPER_STATUS_OPERATIONAL: + flags |= INET_IFF_RUNNING; + break; + } + } + BUF_ENSURE(1 + 4); + *buf_p++ = INET_IFOPT_FLAGS; + put_int32(flags, buf_p); buf_p += 4; + if (ipaddrrow_p) { + /* Legacy implementation through GetIpAddrTable */ + struct sockaddr_in sin; + /* IP Address */ + sys_memzero(&sin, sizeof(sin)); + sin.sin_family = AF_INET; + sin.sin_addr.s_addr = ipaddrrow_p->dwAddr; + BUF_ENSURE(1); + /* Netmask */ + SOCKADDR_TO_BUF(INET_IFOPT_ADDR, (struct sockaddr *) &sin); + sin.sin_addr.s_addr = ipaddrrow_p->dwMask; + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, (struct sockaddr *) &sin); + if (flags & INET_IFF_BROADCAST) { + /* Broadcast address - fake it*/ + sin.sin_addr.s_addr = ipaddrrow_p->dwAddr; + sin.sin_addr.s_addr |= ~ipaddrrow_p->dwMask; + BUF_ENSURE(1); + SOCKADDR_TO_BUF( + INET_IFOPT_BROADADDR, (struct sockaddr *) &sin); + } + } else { + IP_ADAPTER_UNICAST_ADDRESS *p; + /* IP Address(es) */ + for (p = ia_p->FirstUnicastAddress; + p; + p = p->Next) + { + IP_ADAPTER_PREFIX *q; + ULONG shortest_length; + struct sockaddr *shortest_p, *sa_p = p->Address.lpSockaddr; + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_ADDR, sa_p); + shortest_p = NULL; + shortest_length = 0; + for (q = ia_p->FirstPrefix; + q; + q = q->Next) { + struct sockaddr *sp_p = q->Address.lpSockaddr; + if (sa_p->sa_family != sp_p->sa_family) continue; + switch (sa_p->sa_family) { + case AF_INET: { + struct sockaddr_in sin; + DWORD sa, sp, mask; + sa = ntohl((DWORD) + ((struct sockaddr_in *) + sa_p)->sin_addr.s_addr); + sp = ntohl((DWORD) + ((struct sockaddr_in *) + sp_p)->sin_addr.s_addr); + mask = 0xFFFFFFFF << (32 - q->PrefixLength); + if ((sa & mask) != (sp & mask)) continue; + if ((! shortest_p) + || q->PrefixLength < shortest_length) { + shortest_p = sp_p; + shortest_length = q->PrefixLength; + } + } break; + case AF_INET6: { + struct sockaddr_in6 sin6; + if (!eq_masked_bytes((char *) + &((struct sockaddr_in6 *) + sa_p)->sin6_addr, + (char *) + &((struct sockaddr_in6 *) + sp_p)->sin6_addr, + q->PrefixLength)) { + continue; + } + if ((! shortest_p) + || q->PrefixLength < shortest_length) { + shortest_p = sp_p; + shortest_length = q->PrefixLength; + } + } break; + } + } + if (! shortest_p) { + /* Found no shortest prefix */ + shortest_p = sa_p; + switch (shortest_p->sa_family) { + case AF_INET: { + /* Fall back to old classfull network addresses */ + DWORD addr = ntohl(((struct sockaddr_in *)shortest_p) + ->sin_addr.s_addr); + if (! (addr & 0x800000)) { + /* Class A */ + shortest_length = 8; + } else if (! (addr & 0x400000)) { + /* Class B */ + shortest_length = 16; + } else if (! (addr & 0x200000)) { + /* Class C */ + shortest_length = 24; + } else { + shortest_length = 32; + } + } break; + case AF_INET6: { + /* Just play it safe */ + shortest_length = 128; + } break; + } + } + switch (shortest_p->sa_family) { + case AF_INET: { + struct sockaddr_in sin; + DWORD mask = 0xFFFFFFFF << (32 - shortest_length); + sys_memzero(&sin, sizeof(sin)); + sin.sin_family = shortest_p->sa_family; + sin.sin_addr.s_addr = htonl(mask); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, + (struct sockaddr *) &sin); + if (flags & INET_IFF_BROADCAST) { + DWORD sp = + ntohl((DWORD) + ((struct sockaddr_in *)shortest_p) + -> sin_addr.s_addr); + sin.sin_addr.s_addr = htonl(sp | ~mask); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_BROADADDR, + (struct sockaddr *) &sin); + } + } break; + case AF_INET6: { + struct sockaddr_in6 sin6; + sys_memzero(&sin6, sizeof(sin6)); + sin6.sin6_family = shortest_p->sa_family; + set_netmask_bytes((char *) &sin6.sin6_addr, + 16, + shortest_length); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, + (struct sockaddr *) &sin6); + } break; + } + } + } + if (ifrow.dwPhysAddrLen) { + /* Hardware Address */ + BUF_ENSURE(1 + 2 + ifrow.dwPhysAddrLen); + *buf_p++ = INET_IFOPT_HWADDR; + put_int16(ifrow.dwPhysAddrLen, buf_p); buf_p += 2; + sys_memcpy(buf_p, ifrow.bPhysAddr, ifrow.dwPhysAddrLen); + buf_p += ifrow.dwPhysAddrLen; + } + +done: + /* That is all for this interface */ + BUF_ENSURE(1); + *buf_p++ = '\0'; + if (ia_p && + ia_p->Ipv6IfIndex && + ia_p->Ipv6IfIndex != index) + { + /* Oops, there was an other interface for IPv6. Possible? XXX */ + index = ia_p->Ipv6IfIndex; + goto index; + } + } + + if (ip_adaddrs_p) FREE(ip_adaddrs_p); + if (info_p) FREE(info_p); + if (ip_addrs_p) FREE(ip_addrs_p); + + buf_size = buf_p - buf_alloc_p; + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); + /* buf_p is now unreliable */ + *rbuf_pp = buf_alloc_p; + return buf_size; +# undef BUF_ENSURE +} + +#elif defined(HAVE_GETIFADDRS) + +static int inet_ctl_getifaddrs(inet_descriptor* desc_p, + char **rbuf_pp, int rsize) +{ + struct ifaddrs *ifa_p, *ifa_free_p; + + int buf_size; + char *buf_p; + char *buf_alloc_p; + + buf_size = 512; + buf_alloc_p = ALLOC(buf_size); + buf_p = buf_alloc_p; +# define BUF_ENSURE(Size) \ + do { \ + int NEED_, GOT_ = buf_p - buf_alloc_p; \ + NEED_ = GOT_ + (Size); \ + if (NEED_ > buf_size) { \ + buf_size = NEED_ + 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + } while (0) +# define SOCKADDR_TO_BUF(opt, sa) \ + do { \ + if (sa) { \ + char *P_; \ + *buf_p++ = (opt); \ + while (! (P_ = sockaddr_to_buf((sa), buf_p, \ + buf_alloc_p+buf_size))) { \ + int GOT_ = buf_p - buf_alloc_p; \ + buf_size += 512; \ + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); \ + buf_p = buf_alloc_p + GOT_; \ + } \ + if (P_ == buf_p) { \ + buf_p--; \ + } else { \ + buf_p = P_; \ + } \ + } \ + } while (0) + + if (getifaddrs(&ifa_p) < 0) { + return ctl_error(sock_errno(), rbuf_pp, rsize); + } + ifa_free_p = ifa_p; + *buf_p++ = INET_REP_OK; + for (; ifa_p; ifa_p = ifa_p->ifa_next) { + int len = utf8_len(ifa_p->ifa_name, -1); + BUF_ENSURE(len+1 + 1+4 + 1); + utf8_encode(ifa_p->ifa_name, -1, buf_p); + buf_p += len; + *buf_p++ = '\0'; + *buf_p++ = INET_IFOPT_FLAGS; + put_int32(IFGET_FLAGS(ifa_p->ifa_flags), buf_p); buf_p += 4; + if (ifa_p->ifa_addr->sa_family == AF_INET +#if defined(AF_INET6) + || ifa_p->ifa_addr->sa_family == AF_INET6 +#endif + ) { + SOCKADDR_TO_BUF(INET_IFOPT_ADDR, ifa_p->ifa_addr); + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_NETMASK, ifa_p->ifa_netmask); + if (ifa_p->ifa_flags & IFF_POINTOPOINT) { + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_DSTADDR, ifa_p->ifa_dstaddr); + } else if (ifa_p->ifa_flags & IFF_BROADCAST) { + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_BROADADDR, ifa_p->ifa_broadaddr); + } + } +#if defined(AF_LINK) || defined(AF_PACKET) + else if ( +#if defined(AF_LINK) + ifa_p->ifa_addr->sa_family == AF_LINK +#else + 0 +#endif +#if defined(AF_PACKET) + || ifa_p->ifa_addr->sa_family == AF_PACKET +#endif + ) { + char *bp = buf_p; + BUF_ENSURE(1); + SOCKADDR_TO_BUF(INET_IFOPT_HWADDR, ifa_p->ifa_addr); + if (buf_p - bp < 4) buf_p = bp; /* Empty hwaddr */ + } +#endif + BUF_ENSURE(1); + *buf_p++ = '\0'; + } + buf_size = buf_p - buf_alloc_p; + buf_alloc_p = REALLOC(buf_alloc_p, buf_size); + /* buf_p is now unreliable */ + freeifaddrs(ifa_free_p); + *rbuf_pp = buf_alloc_p; + return buf_size; +# undef BUF_ENSURE +} + +#else + +static int inet_ctl_getifaddrs(inet_descriptor* desc_p, + char **rbuf_pp, int rsize) +{ + return ctl_error(ENOTSUP, rbuf_pp, rsize); +} + +#endif + + + #ifdef VXWORKS /* ** THIS is a terrible creature, a bug in the TCP part @@ -4588,8 +5163,7 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) case INET_LOPT_BUFFER: DEBUGF(("inet_set_opts(%ld): s=%d, BUFFER=%d\r\n", (long)desc->port, desc->s, ival)); - if (ival > INET_MAX_BUFFER) ival = INET_MAX_BUFFER; - else if (ival < INET_MIN_BUFFER) ival = INET_MIN_BUFFER; + if (ival < INET_MIN_BUFFER) ival = INET_MIN_BUFFER; desc->bufsz = ival; continue; @@ -4654,7 +5228,6 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) if (desc->stype == SOCK_STREAM) { tcp_descriptor* tdesc = (tcp_descriptor*) desc; if (ival < 0) ival = 0; - else if (ival > INET_MAX_BUFFER*2) ival = INET_MAX_BUFFER*2; if (tdesc->low > ival) tdesc->low = ival; tdesc->high = ival; @@ -4665,7 +5238,6 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) if (desc->stype == SOCK_STREAM) { tcp_descriptor* tdesc = (tcp_descriptor*) desc; if (ival < 0) ival = 0; - else if (ival > INET_MAX_BUFFER) ival = INET_MAX_BUFFER; if (tdesc->high < ival) tdesc->high = ival; tdesc->low = ival; @@ -5011,9 +5583,6 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len) case INET_LOPT_BUFFER: desc->bufsz = get_int32(curr); curr += 4; - if (desc->bufsz > INET_MAX_BUFFER) - desc->bufsz = INET_MAX_BUFFER; - else if (desc->bufsz < INET_MIN_BUFFER) desc->bufsz = INET_MIN_BUFFER; res = 0; /* This does not affect the kernel buffer size */ @@ -5076,8 +5645,8 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len) } case INET_OPT_LINGER: { - CHKLEN(curr, ASSOC_ID_LEN + 2 + 4); - arg.lin.l_onoff = get_int16 (curr); curr += 2; + CHKLEN(curr, 2*4); + arg.lin.l_onoff = get_int32 (curr); curr += 4; arg.lin.l_linger = get_int32 (curr); curr += 4; proto = SOL_SOCKET; @@ -5254,9 +5823,12 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len) char *after; # ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_FLAGS int eflags, cflags, hb_enable, hb_disable, - pmtud_enable, pmtud_disable, + pmtud_enable, pmtud_disable; +# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY + int sackdelay_enable, sackdelay_disable; # endif +# endif CHKLEN(curr, ASSOC_ID_LEN); arg.pap.spp_assoc_id = GET_ASSOC_ID(curr); curr += ASSOC_ID_LEN; @@ -5305,12 +5877,15 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len) if (pmtud_enable) cflags |= SPP_PMTUD_ENABLE; if (pmtud_disable) cflags |= SPP_PMTUD_DISABLE; +# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY + /* The followings are missing in FreeBSD 7.1 */ sackdelay_enable =eflags& SCTP_FLAG_SACDELAY_ENABLE; sackdelay_disable=eflags& SCTP_FLAG_SACDELAY_DISABLE; if (sackdelay_enable && sackdelay_disable) return -1; if (sackdelay_enable) cflags |= SPP_SACKDELAY_ENABLE; if (sackdelay_disable) cflags |= SPP_SACKDELAY_DISABLE; +# endif arg.pap.spp_flags = cflags; # endif @@ -5448,7 +6023,7 @@ static int inet_fill_opts(inet_descriptor* desc, #define PLACE_FOR(Size,Ptr) \ do { \ int need = dest_used + (Size); \ - if (need > INET_MAX_BUFFER) { \ + if (need > INET_MAX_OPT_BUFFER) { \ RETURN_ERROR(); \ } \ if (need > dest_allocated) { \ @@ -5672,7 +6247,7 @@ static int inet_fill_opts(inet_descriptor* desc, buf += 4; data_provided = (int) *buf++; arg_sz = get_int32(buf); - if (arg_sz > INET_MAX_BUFFER) { + if (arg_sz > INET_MAX_OPT_BUFFER) { RETURN_ERROR(); } buf += 4; @@ -5687,8 +6262,8 @@ static int inet_fill_opts(inet_descriptor* desc, buf += arg_sz; len -= arg_sz; } - if (sock_getopt(desc->s,proto,type,arg_ptr,&arg_sz) == - SOCKET_ERROR) { + if (IS_SOCKET_ERROR(sock_getopt(desc->s,proto,type, + arg_ptr,&arg_sz))) { TRUNCATE_TO(0,ptr); continue; } @@ -5705,7 +6280,7 @@ static int inet_fill_opts(inet_descriptor* desc, RETURN_ERROR(); } /* We have 5 bytes allocated to ptr */ - if (sock_getopt(desc->s,proto,type,arg_ptr,&arg_sz) == SOCKET_ERROR) { + if (IS_SOCKET_ERROR(sock_getopt(desc->s,proto,type,arg_ptr,&arg_sz))) { TRUNCATE_TO(0,ptr); continue; } @@ -5786,7 +6361,7 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen, "miscalculated buffer size"); \ } \ need = (Index) + (N); \ - if (need > INET_MAX_BUFFER/sizeof(ErlDrvTermData)) { \ + if (need > INET_MAX_OPT_BUFFER/sizeof(ErlDrvTermData)) {\ RETURN_ERROR((Spec), -ENOMEM); \ } \ if (need > spec_allocated) { \ @@ -6211,13 +6786,15 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen, if (ap.spp_flags & SPP_PMTUD_DISABLE) { i = LOAD_ATOM (spec, i, am_pmtud_disable); n++; } - +# ifdef HAVE_STRUCT_SCTP_PADDRPARAMS_SPP_SACKDELAY + /* SPP_SACKDELAY_* not in FreeBSD 7.1 */ if (ap.spp_flags & SPP_SACKDELAY_ENABLE) { i = LOAD_ATOM (spec, i, am_sackdelay_enable); n++; } if (ap.spp_flags & SPP_SACKDELAY_DISABLE) { i = LOAD_ATOM (spec, i, am_sackdelay_disable); n++; } # endif +# endif PLACE_FOR(spec, i, LOAD_NIL_CNT + LOAD_LIST_CNT + 2*LOAD_TUPLE_CNT); @@ -6237,6 +6814,10 @@ static int sctp_fill_opts(inet_descriptor* desc, char* buf, int buflen, struct sctp_sndrcvinfo sri; unsigned int sz = sizeof(sri); + if (buflen < ASSOC_ID_LEN) RETURN_ERROR(spec, -EINVAL); + sri.sinfo_assoc_id = GET_ASSOC_ID(buf); + buf += ASSOC_ID_LEN; + buflen -= ASSOC_ID_LEN; if (sock_getopt(desc->s, IPPROTO_SCTP, SCTP_DEFAULT_SEND_PARAM, &sri, &sz) < 0) continue; /* Fill in the response: */ @@ -6633,7 +7214,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, } } DEBUGF(("inet_ctl(%ld): GETSTAT\r\n", (long) desc->port)); - if (dstlen > INET_MAX_BUFFER) /* sanity check */ + if (dstlen > INET_MAX_OPT_BUFFER) /* sanity check */ return 0; if (dstlen > rsize) { if ((dst = (char*) ALLOC(dstlen)) == NULL) @@ -6649,7 +7230,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, char* dst; int dstlen = 1 /* Reply code */ + len*5; DEBUGF(("inet_ctl(%ld): INET_REQ_SUBSCRIBE\r\n", (long) desc->port)); - if (dstlen > INET_MAX_BUFFER) /* sanity check */ + if (dstlen > INET_MAX_OPT_BUFFER) /* sanity check */ return 0; if (dstlen > rsize) { if ((dst = (char*) ALLOC(dstlen)) == NULL) @@ -6684,6 +7265,13 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, return inet_ctl_getiflist(desc, rbuf, rsize); } + case INET_REQ_GETIFADDRS: { + DEBUGF(("inet_ctl(%ld): GETIFADDRS\r\n", (long)desc->port)); + if (!IS_OPEN(desc)) + return ctl_xerror(EXBADPORT, rbuf, rsize); + return inet_ctl_getifaddrs(desc, rbuf, rsize); + } + case INET_REQ_IFGET: { DEBUGF(("inet_ctl(%ld): IFGET\r\n", (long)desc->port)); if (!IS_OPEN(desc)) @@ -6771,7 +7359,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, if (len != 0) return ctl_error(EINVAL, rbuf, rsize); - if (sock_hostname(tbuf, MAXHOSTNAMELEN) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_hostname(tbuf, MAXHOSTNAMELEN))) return ctl_error(sock_errno(), rbuf, rsize); return ctl_reply(INET_REP_OK, tbuf, strlen(tbuf), rbuf, rsize); } @@ -6788,7 +7376,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, return ctl_error(ENOTCONN, rbuf, rsize); if ((ptr = desc->peer_ptr) == NULL) { ptr = &peer; - if (sock_peer(desc->s, (struct sockaddr*)ptr,&sz) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_peer(desc->s, (struct sockaddr*)ptr,&sz))) return ctl_error(sock_errno(), rbuf, rsize); } if (inet_get_address(desc->sfamily, tbuf, ptr, &sz) < 0) @@ -6825,7 +7413,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, if ((ptr = desc->name_ptr) == NULL) { ptr = &name; - if (sock_name(desc->s, (struct sockaddr*)ptr, &sz) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_name(desc->s, (struct sockaddr*)ptr, &sz))) return ctl_error(sock_errno(), rbuf, rsize); } if (inet_get_address(desc->sfamily, tbuf, ptr, &sz) < 0) @@ -6864,7 +7452,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, if (inet_set_address(desc->sfamily, &local, buf, &len) == NULL) return ctl_error(EINVAL, rbuf, rsize); - if (sock_bind(desc->s,(struct sockaddr*) &local, len) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_bind(desc->s,(struct sockaddr*) &local, len))) return ctl_error(sock_errno(), rbuf, rsize); desc->state = INET_STATE_BOUND; @@ -6891,13 +7479,13 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, if (len < 2) return ctl_error(EINVAL, rbuf, rsize); - n = buf[0]; buf++; len--; + n = get_int8(buf); buf++; len--; if (n >= len) /* the = sign makes the test inklude next length byte */ return ctl_error(EINVAL, rbuf, rsize); memcpy(namebuf, buf, n); namebuf[n] = '\0'; len -= n; buf += n; - n = buf[0]; buf++; len--; + n = get_int8(buf); buf++; len--; if (n > len) return ctl_error(EINVAL, rbuf, rsize); memcpy(protobuf, buf, n); @@ -6920,7 +7508,7 @@ static int inet_ctl(inet_descriptor* desc, int cmd, char* buf, int len, port = get_int16(buf); port = sock_htons(port); buf += 2; - n = buf[0]; buf++; len -= 3; + n = get_int8(buf); buf++; len -= 3; if (n > len) return ctl_error(EINVAL, rbuf, rsize); memcpy(protobuf, buf, n); @@ -7297,7 +7885,7 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, if (len != 2) return ctl_error(EINVAL, rbuf, rsize); backlog = get_int16(buf); - if (sock_listen(desc->inet.s, backlog) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_listen(desc->inet.s, backlog))) return ctl_error(sock_errno(), rbuf, rsize); desc->inet.state = TCP_STATE_LISTEN; return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); @@ -7331,7 +7919,7 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, code = sock_connect(desc->inet.s, (struct sockaddr*) &desc->inet.remote, len); - if ((code == SOCKET_ERROR) && + if (IS_SOCKET_ERROR(code) && ((sock_errno() == ERRNO_BLOCK) || /* Winsock2 */ (sock_errno() == EINPROGRESS))) { /* Unix & OSE!! */ sock_select(INETP(desc), FD_CONNECT, 1); @@ -7518,7 +8106,6 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, tcp_deliver(desc, 0); return ctl_reply(INET_REP_OK, NULL, 0, rbuf, rsize); } -#ifndef _OSE_ case TCP_REQ_SHUTDOWN: { int how; DEBUGF(("tcp_inet_ctl(%ld): FDOPEN\r\n", (long)desc->inet.port)); @@ -7535,7 +8122,6 @@ static int tcp_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, return ctl_error(sock_errno(), rbuf, rsize); } } -#endif default: DEBUGF(("tcp_inet_ctl(%ld): %u\r\n", (long)desc->inet.port, cmd)); return inet_ctl(INETP(desc), cmd, buf, len, rbuf, rsize); @@ -8009,7 +8595,7 @@ static int tcp_recv(tcp_descriptor* desc, int request_len) n = sock_recv(desc->inet.s, desc->i_ptr, nread, 0); - if (n == SOCKET_ERROR) { + if (IS_SOCKET_ERROR(n)) { int err = sock_errno(); if (err == ECONNRESET) { DEBUGF((" => detected close (connreset)\r\n")); @@ -8511,8 +9097,8 @@ static int tcp_sendv(tcp_descriptor* desc, ErlIOVec* ev) (long)desc->inet.port, desc->inet.s, h_len, len)); if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) { n = 0; - } else if (sock_sendv(desc->inet.s, ev->iov, vsize, &n, 0) - == SOCKET_ERROR) { + } else if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s, ev->iov, + vsize, &n, 0))) { if ((sock_errno() != ERRNO_BLOCK) && (sock_errno() != EINTR)) { int err = sock_errno(); DEBUGF(("tcp_sendv(%ld): s=%d, " @@ -8605,7 +9191,7 @@ static int tcp_send(tcp_descriptor* desc, char* ptr, int len) if (desc->tcp_add_flags & TCP_ADDF_DELAY_SEND) { sock_send(desc->inet.s, buf, 0, 0); n = 0; - } else if (sock_sendv(desc->inet.s,iov,2,&n,0) == SOCKET_ERROR) { + } else if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s,iov,2,&n,0))) { if ((sock_errno() != ERRNO_BLOCK) && (sock_errno() != EINTR)) { int err = sock_errno(); DEBUGF(("tcp_send(%ld): s=%d,sock_sendv(size=2) errno = %d\r\n", @@ -8678,7 +9264,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event) int code = sock_peer(desc->inet.s, (struct sockaddr*) &desc->inet.remote, &sz); - if (code == SOCKET_ERROR) { + if (IS_SOCKET_ERROR(code)) { desc->inet.state = TCP_STATE_BOUND; /* restore state */ ret = async_error(INETP(desc), sock_errno()); goto done; @@ -8719,7 +9305,7 @@ static int tcp_inet_output(tcp_descriptor* desc, HANDLE event) vsize = vsize > MAX_VSIZE ? MAX_VSIZE : vsize; DEBUGF(("tcp_inet_output(%ld): s=%d, About to send %d items\r\n", (long)desc->inet.port, desc->inet.s, vsize)); - if (sock_sendv(desc->inet.s, iov, vsize, &n, 0)==SOCKET_ERROR) { + if (IS_SOCKET_ERROR(sock_sendv(desc->inet.s, iov, vsize, &n, 0))) { if ((sock_errno() != ERRNO_BLOCK) && (sock_errno() != EINTR)) { DEBUGF(("tcp_inet_output(%ld): sock_sendv(%d) errno = %d\r\n", (long)desc->inet.port, vsize, sock_errno())); @@ -8988,7 +9574,7 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, sock_select(desc, FD_CONNECT, 1); code = sock_connect(desc->s, &remote.sa, len); - if ((code == SOCKET_ERROR) && (sock_errno() == EINPROGRESS)) { + if (IS_SOCKET_ERROR(code) && (sock_errno() == EINPROGRESS)) { /* XXX: Unix only -- WinSock would have a different cond! */ desc->state = SCTP_STATE_CONNECTING; if (timeout != INET_INFINITY) @@ -9028,7 +9614,7 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, code = sock_connect(desc->s, (struct sockaddr*) &desc->remote, len); - if (code == SOCKET_ERROR) { + if (IS_SOCKET_ERROR(code)) { sock_connect(desc->s, (struct sockaddr*) NULL, 0); desc->state &= ~INET_F_ACTIVE; return ctl_error(sock_errno(), rbuf, rsize); @@ -9062,7 +9648,7 @@ static int packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, int len, return ctl_error(EINVAL, rbuf, rsize); flag = get_int8(buf); - if (sock_listen(desc->s, flag) == SOCKET_ERROR) + if (IS_SOCKET_ERROR(sock_listen(desc->s, flag))) return ctl_error(sock_errno(), rbuf, rsize); desc->state = SCTP_STATE_LISTEN; /* XXX: not used? */ @@ -9267,7 +9853,7 @@ static void packet_inet_command(ErlDrvData e, char* buf, int len) check_result_code: /* "code" analysis is the same for both SCTP and UDP cases above: */ #endif - if (code == SOCKET_ERROR) { + if (IS_SOCKET_ERROR(code)) { int err = sock_errno(); inet_reply_error(desc, err); } @@ -9366,7 +9952,7 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) check_result: #endif /* Analyse the result: */ - if (n == SOCKET_ERROR + if (IS_SOCKET_ERROR(n) #ifdef HAVE_SCTP || (short_recv = (IS_SCTP(desc) && !(mhdr.msg_flags & MSG_EOR))) /* NB: here we check for EOR not being set -- this is an error as @@ -9379,11 +9965,13 @@ static int packet_inet_input(udp_descriptor* udesc, HANDLE event) if (err != ERRNO_BLOCK) { if (!desc->active) { #ifdef HAVE_SCTP - if (short_recv) + if (short_recv) { async_error_am(desc, am_short_recv); - else -#else + } else { async_error(desc, err); + } +#else + async_error(desc, err); #endif driver_cancel_timer(desc->port); sock_select(desc,FD_READ,0); @@ -9481,7 +10069,7 @@ static int packet_inet_output(udp_descriptor* udesc, HANDLE event) int code = sock_peer(desc->s, (struct sockaddr*) &desc->remote, &sz); - if (code == SOCKET_ERROR) { + if (IS_SOCKET_ERROR(code)) { desc->state = PACKET_STATE_BOUND; /* restore state */ ret = async_error(desc, sock_errno()); goto done; @@ -9922,23 +10510,26 @@ int erts_sock_connect(erts_sock_t socket, byte *ip_addr, int len, Uint16 port) if (!inet_set_address(AF_INET, &addr, buf, &blen)) return 0; - if (SOCKET_ERROR == sock_connect(s, + if (IS_SOCKET_ERROR(sock_connect(s, (struct sockaddr *) &addr, - sizeof(struct sockaddr_in))) + sizeof(struct sockaddr_in)))) return 0; return 1; } Sint erts_sock_send(erts_sock_t socket, const void *buf, Sint len) { - return (Sint) sock_send((SOCKET) socket, buf, (size_t) len, 0); + Sint result = (Sint) sock_send((SOCKET) socket, buf, (size_t) len, 0); + if (IS_SOCKET_ERROR(result)) + return SOCKET_ERROR; + return result; } int erts_sock_gethostname(char *buf, int bufsz) { - if (sock_hostname(buf, bufsz) == SOCKET_ERROR) - return -1; + if (IS_SOCKET_ERROR(sock_hostname(buf, bufsz))) + return SOCKET_ERROR; return 0; } diff --git a/erts/emulator/drivers/common/ram_file_drv.c b/erts/emulator/drivers/common/ram_file_drv.c index 4a39a156e6..abedcc933a 100644 --- a/erts/emulator/drivers/common/ram_file_drv.c +++ b/erts/emulator/drivers/common/ram_file_drv.c @@ -35,6 +35,7 @@ #define RAM_FILE_TRUNCATE 14 #define RAM_FILE_PREAD 17 #define RAM_FILE_PWRITE 18 +#define RAM_FILE_FDATASYNC 19 /* other operations */ #define RAM_FILE_GET 30 @@ -45,6 +46,8 @@ #define RAM_FILE_UUENCODE 35 /* uuencode file */ #define RAM_FILE_UUDECODE 36 /* uudecode file */ #define RAM_FILE_SIZE 37 /* get file size */ +#define RAM_FILE_ADVISE 38 /* predeclare the access + * pattern for file data */ /* possible new operations include: DES_ENCRYPT DES_DECRYPT @@ -558,6 +561,13 @@ static void rfile_command(ErlDrvData e, char* buf, int count) numeric_reply(f, 0); /* 0 is not used */ break; + case RAM_FILE_FDATASYNC: + if (f->flags == 0) + error_reply(f, EBADF); + else + reply(f, 1, 0); + break; + case RAM_FILE_FSYNC: if (f->flags == 0) error_reply(f, EBADF); @@ -685,6 +695,13 @@ static void rfile_command(ErlDrvData e, char* buf, int count) case RAM_FILE_UUDECODE: /* uudecode file */ ram_file_uudecode(f); break; + + case RAM_FILE_ADVISE: + if (f->flags == 0) + error_reply(f, EBADF); + else + reply(f, 1, 0); + break; } /* * Ignore anything else -- let the caller hang. diff --git a/erts/emulator/drivers/common/zlib_drv.c b/erts/emulator/drivers/common/zlib_drv.c index 723efeaa13..f50899a730 100644 --- a/erts/emulator/drivers/common/zlib_drv.c +++ b/erts/emulator/drivers/common/zlib_drv.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 2003-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 2003-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ @@ -115,7 +115,7 @@ typedef struct { static int zlib_inflate(ZLibData* d, int flush); static int zlib_deflate(ZLibData* d, int flush); -#if defined(_OSE_) || defined(__WIN32__) +#if defined(__WIN32__) static int i32(char* buf) #else static inline int i32(char* buf) diff --git a/erts/emulator/drivers/unix/mem_drv.c b/erts/emulator/drivers/unix/mem_drv.c deleted file mode 100644 index 1417ca1121..0000000000 --- a/erts/emulator/drivers/unix/mem_drv.c +++ /dev/null @@ -1,145 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1996-2009. All Rights Reserved. - * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. - * - * %CopyrightEnd% - */ - -/* Purpose: Access to elib memory statistics */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#include "sys.h" -#include "erl_driver.h" -#include "elib_stat.h" - -#define MAP_BUF_SIZE 1000 /* Max map size */ -#define HISTO_BUF_SIZE 100 /* Max histogram buckets */ - -static ErlDrvData mem_start(ErlDrvPort); -static int mem_init(void); -static void mem_stop(ErlDrvData); -static void mem_command(ErlDrvData, char*, int); - -const struct driver_entry mem_driver_entry = { - mem_init, - mem_start, - mem_stop, - mem_command, - NULL, - NULL, - "mem_drv" -}; - -static int mem_init(void) -{ - return 0; -} - -static ErlDrvData mem_start(ErlDrvPort port, char* buf) -{ - return (ErlDrvData)port; -} - -static void mem_stop(ErlDrvData port) -{ -} - -void putint32(p, v) -byte* p; int v; -{ - p[0] = (v >> 24) & 0xff; - p[1] = (v >> 16) & 0xff; - p[2] = (v >> 8) & 0xff; - p[3] = (v) & 0xff; -} - -int getint16(p) -byte* p; -{ - return (p[0] << 8) | p[1]; -} - -/* -** Command: -** m L1 L0 -> a heap map of length L1*256 + L0 is returned -** s -> X3 X2 X1 X0 Y3 Y2 Y1 Y0 Z3 Z2 Z1 Z0 -** X == Total heap size bytes -** Y == Total free bytes -** Z == Size of largest free block in bytes -** -** h L1 L0 B0 -> Generate a logarithm historgram base B with L buckets -** l L1 L0 S0 -> Generate a linear histogram with step S with L buckets -*/ -unsigned char outbuf[HISTO_BUF_SIZE*2*4]; - -static void mem_command(ErlDrvData port, char* buf, int count) -{ - if ((count == 1) && buf[0] == 's') { - struct elib_stat info; - char v[3*4]; - - elib_stat(&info); - - putint32(v, info.mem_total*4); - putint32(v+4, info.mem_free*4); - putint32(v+8, info.max_free*4); - driver_output((ErlDrvPort)port, v, 12); - return; - } - else if ((count == 3) && buf[0] == 'm') { - char w[MAP_BUF_SIZE]; - int n = getint16(buf+1); - - if (n > MAP_BUF_SIZE) - n = MAP_BUF_SIZE; - elib_heap_map(w, n); - driver_output((ErlDrvPort)port, w, n); - return; - } - else if ((count == 4) && (buf[0] == 'h' || buf[0] == 'l')) { - unsigned long vf[HISTO_BUF_SIZE]; - unsigned long va[HISTO_BUF_SIZE]; - int n = getint16(buf+1); - int base = (unsigned char) buf[3]; - - if (n >= HISTO_BUF_SIZE) - n = HISTO_BUF_SIZE; - if (buf[0] == 'l') - base = -base; - if (elib_histo(vf, va, n, base) < 0) { - driver_failure((ErlDrvPort)port, -1); - return; - } - else { - char* p = outbuf; - int i; - - for (i = 0; i < n; i++) { - putint32(p, vf[i]); - p += 4; - } - for (i = 0; i < n; i++) { - putint32(p, va[i]); - p += 4; - } - driver_output((ErlDrvPort)port, outbuf, n*8); - } - return; - } - driver_failure((ErlDrvPort)port, -1); -} diff --git a/erts/emulator/drivers/unix/ttsl_drv.c b/erts/emulator/drivers/unix/ttsl_drv.c index 4cd54c073f..d782b044a9 100644 --- a/erts/emulator/drivers/unix/ttsl_drv.c +++ b/erts/emulator/drivers/unix/ttsl_drv.c @@ -314,7 +314,7 @@ static ErlDrvData ttysl_start(ErlDrvPort port, char* buf) sys_sigset(SIGCONT, cont); sys_sigset(SIGWINCH, winch); - driver_select(port, (ErlDrvEvent)(Uint)ttysl_fd, ERL_DRV_READ|ERL_DRV_USE, 1); + driver_select(port, (ErlDrvEvent)(UWord)ttysl_fd, ERL_DRV_READ|ERL_DRV_USE, 1); ttysl_port = port; /* we need to know this when we enter the break handler */ @@ -394,7 +394,7 @@ static void ttysl_stop(ErlDrvData ttysl_data) stop_lbuf(); stop_termcap(); tty_reset(ttysl_fd); - driver_select(ttysl_port, (ErlDrvEvent)(Uint)ttysl_fd, ERL_DRV_READ|ERL_DRV_USE, 0); + driver_select(ttysl_port, (ErlDrvEvent)(UWord)ttysl_fd, ERL_DRV_READ|ERL_DRV_USE, 0); sys_sigset(SIGCONT, SIG_DFL); sys_sigset(SIGWINCH, SIG_DFL); } @@ -685,7 +685,7 @@ static void ttysl_from_tty(ErlDrvData ttysl_data, ErlDrvEvent fd) utf8buf_size = 0; } - if ((i = read((int)(Sint)fd, (char *) p, left)) >= 0) { + if ((i = read((int)(SWord)fd, (char *) p, left)) >= 0) { if (p != b) { i += (p - b); } diff --git a/erts/emulator/drivers/unix/unix_efile.c b/erts/emulator/drivers/unix/unix_efile.c index d395b68691..6297ccb8bc 100644 --- a/erts/emulator/drivers/unix/unix_efile.c +++ b/erts/emulator/drivers/unix/unix_efile.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1997-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* @@ -34,17 +34,6 @@ #include <sys/uio.h> #endif -#ifdef _OSE_ -#include "efs.h" -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> - -#ifdef _OSE_SFK_ -#include <string.h> -#endif -#endif /* _OSE_ */ - #if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) #define DARWIN 1 #endif @@ -88,23 +77,6 @@ extern STATUS copy(char *, char *); * Macros for testing file types. */ -#ifdef _OSE_ - -#define ISDIR(st) S_ISDIR(((st).st_mode)) -#define ISREG(st) S_ISREG(((st).st_mode)) -#define ISDEV(st) (S_ISCHR(((st).st_mode)) || S_ISBLK(((st).st_mode))) -#define ISLNK(st) S_ISLNK(((st).st_mode)) -#ifdef NO_UMASK -#define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) -#define DIR_MODE (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH) -#else -#define FILE_MODE (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) -#define DIR_MODE (S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IWGRP | S_IXGRP | S_IROTH | \ - S_IWOTH | S_IXOTH) -#endif - -#else /* !_OSE_ */ - #define ISDIR(st) (((st).st_mode & S_IFMT) == S_IFDIR) #define ISREG(st) (((st).st_mode & S_IFMT) == S_IFREG) #define ISDEV(st) \ @@ -118,8 +90,6 @@ extern STATUS copy(char *, char *); #define DIR_MODE 0777 #endif -#endif /* _OSE_ */ - #ifdef VXWORKS /* Currently only used on vxworks */ #define EF_ALLOC(S) driver_alloc((S)) @@ -128,7 +98,7 @@ extern STATUS copy(char *, char *); #define EF_SAFE_REALLOC(P, S) ef_safe_realloc((P), (S)) #define EF_FREE(P) do { if((P)) driver_free((P)); } while(0) -extern void erl_exit(int n, char *fmt, _DOTS_); +void erl_exit(int n, char *fmt, ...); static void *ef_safe_alloc(Uint s) { @@ -157,7 +127,7 @@ static void *ef_safe_realloc(void *op, Uint s) (s[0] == '.' && (s[1] == '\0' || (s[1] == '.' && s[2] == '\0'))) #ifdef VXWORKS -static FUNCTION(int, vxworks_to_posix, (int vx_errno)); +static int vxworks_to_posix(int vx_errno); #endif /* @@ -176,7 +146,7 @@ static FUNCTION(int, vxworks_to_posix, (int vx_errno)); #define CHECK_PATHLEN(X,Y) /* Nothing */ #endif -static FUNCTION(int, check_error, (int result, Efile_error* errInfo)); +static int check_error(int result, Efile_error* errInfo); static int check_error(int result, Efile_error *errInfo) @@ -361,15 +331,6 @@ path_size(char *pathname) #endif /* VXWORKS */ -#ifdef _OSE_ -static int -ose_enotsup(Efile_error *errInfo) -{ - errInfo->posix_errno = errInfo->os_errno = ENOTSUP; - return 0; -} -#endif /* _OSE_ */ - int efile_mkdir(Efile_error* errInfo, /* Where to return error codes. */ char* name) /* Name of directory to create. */ @@ -446,18 +407,12 @@ efile_delete_file(Efile_error* errInfo, /* Where to return error codes. */ char* name) /* Name of file to delete. */ { CHECK_PATHLEN(name,errInfo); -#ifdef _OSE_ - if (remove(name) == 0) { - return 1; - } -#else if (unlink(name) == 0) { return 1; } if (errno == EISDIR) { /* Linux sets the wrong error code. */ errno = EPERM; } -#endif return check_error(-1, errInfo); } @@ -524,7 +479,7 @@ efile_rename(Efile_error* errInfo, /* Where to return error codes. */ if (errno == ENOTEMPTY) { errno = EEXIST; } -#if defined (sparc) && !defined(VXWORKS) && !defined(_OSE_) +#if defined (sparc) && !defined(VXWORKS) /* * SunOS 4.1.4 reports overwriting a non-empty directory with a * directory as EINVAL instead of EEXIST (first rule out the correct @@ -632,7 +587,8 @@ efile_readdir(Efile_error* errInfo, /* Where to return error codes. */ open directory.*/ char* buffer, /* Pointer to buffer for one filename. */ - size_t size) /* Size of buffer. */ + size_t *size) /* in-out Size of buffer, length + of name. */ { DIR *dp; /* Pointer to directory structure. */ struct dirent* dirp; /* Pointer to directory entry. */ @@ -665,6 +621,7 @@ efile_readdir(Efile_error* errInfo, /* Where to return error codes. */ continue; buffer[0] = '\0'; strncat(buffer, dirp->d_name, size-1); + *size = strlen(dirp->d_name); return 1; } } @@ -751,6 +708,9 @@ efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ #endif } + if (flags & EFILE_MODE_EXCL) { + mode |= O_EXCL; + } #ifdef VXWORKS if (*name != '/') { @@ -819,6 +779,17 @@ efile_closefile(int fd) } int +efile_fdatasync(Efile_error *errInfo, /* Where to return error codes. */ + int fd) /* File descriptor for file to sync data. */ +{ +#ifdef HAVE_FDATASYNC + return check_error(fdatasync(fd), errInfo); +#else + return efile_fsync(errInfo, fd); +#endif +} + +int efile_fsync(Efile_error *errInfo, /* Where to return error codes. */ int fd) /* File descriptor for file to sync. */ { @@ -855,7 +826,7 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, CHECK_PATHLEN(name, errInfo); if (info_for_link) { -#if (defined(VXWORKS) || defined(_OSE_)) +#if (defined(VXWORKS)) result = stat(name, &statbuf); #else result = lstat(name, &statbuf); @@ -939,11 +910,7 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, pInfo->mode = statbuf.st_mode; pInfo->links = statbuf.st_nlink; pInfo->major_device = statbuf.st_dev; -#ifdef _OSE_ - pInfo->minor_device = 0; -#else pInfo->minor_device = statbuf.st_rdev; -#endif pInfo->inode = statbuf.st_ino; pInfo->uid = statbuf.st_uid; pInfo->gid = statbuf.st_gid; @@ -989,11 +956,9 @@ efile_write_info(Efile_error *errInfo, Efile_info *pInfo, char *name) * you don't try to chown a file to someone besides youself. */ -#ifndef _OSE_ if (chown(name, pInfo->uid, pInfo->gid) && errno != EPERM) { return check_error(-1, errInfo); } -#endif if (pInfo->mode != -1) { mode_t newMode = pInfo->mode & (S_ISUID | S_ISGID | @@ -1008,8 +973,6 @@ efile_write_info(Efile_error *errInfo, Efile_info *pInfo, char *name) #endif /* !VXWORKS */ -#ifndef _OSE_ - if (pInfo->accessTime.year != -1 && pInfo->modifyTime.year != -1) { struct utimbuf tval; struct tm timebuf; @@ -1041,7 +1004,6 @@ efile_write_info(Efile_error *errInfo, Efile_info *pInfo, char *name) return check_error(utime(name, &tval), errInfo); #endif } -#endif /* !_OSE_ */ return 1; } @@ -1451,9 +1413,6 @@ efile_truncate_file(Efile_error* errInfo, int *fd, int flags) int efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size) { -#ifdef _OSE_ - return ose_enotsup(errInfo); -#else #ifdef VXWORKS return vxworks_enotsup(errInfo); #else @@ -1466,7 +1425,6 @@ efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size) buffer[len] = '\0'; return 1; #endif -#endif } int @@ -1479,27 +1437,30 @@ efile_altname(Efile_error* errInfo, char* name, char* buffer, size_t size) int efile_link(Efile_error* errInfo, char* old, char* new) { -#ifdef _OSE_ - return ose_enotsup(errInfo); -#else #ifdef VXWORKS return vxworks_enotsup(errInfo); #else return check_error(link(old, new), errInfo); #endif -#endif } int efile_symlink(Efile_error* errInfo, char* old, char* new) { -#ifdef _OSE_ - return ose_enotsup(errInfo); -#else #ifdef VXWORKS return vxworks_enotsup(errInfo); #else return check_error(symlink(old, new), errInfo); #endif +} + +int +efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, + Sint64 length, int advise) +{ +#ifdef HAVE_POSIX_FADVISE + return check_error(posix_fadvise(fd, offset, length, advise), errInfo); +#else + return check_error(0, errInfo); #endif } diff --git a/erts/emulator/drivers/win32/mem_drv.c b/erts/emulator/drivers/win32/mem_drv.c deleted file mode 100644 index fa7c46eca8..0000000000 --- a/erts/emulator/drivers/win32/mem_drv.c +++ /dev/null @@ -1,141 +0,0 @@ -/* - * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. All Rights Reserved. - * - * The contents of this file are subject to the Erlang Public License, - * Version 1.1, (the "License"); you may not use this file except in - * compliance with the License. You should have received a copy of the - * Erlang Public License along with this software. If not, it can be - * retrieved online at http://www.erlang.org/. - * - * Software distributed under the License is distributed on an "AS IS" - * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See - * the License for the specific language governing rights and limitations - * under the License. - * - * %CopyrightEnd% - */ -/* Purpose: Access to elib memory statistics */ - -#include "sys.h" -#include "erl_driver.h" -#include "elib_stat.h" - -#define MAP_BUF_SIZE 1000 /* Max map size */ -#define HISTO_BUF_SIZE 100 /* Max histogram buckets */ - -static ErlDrvData mem_start(ErlDrvPort, char*); -static int mem_init(void); -static void mem_stop(ErlDrvData); -static void mem_command(ErlDrvData); - -ErlDrvEntry mem_driver_entry = { - mem_init, - mem_start, - mem_stop, - mem_command, - NULL, - NULL, - "mem_drv" -}; - -static int mem_init(void) -{ - return 0; -} - -static ErlDrvData mem_start(ErlDrvPort port, char* buf) -{ - return (ErlDrvData)port; -} - -static void mem_stop(ErlDrvData port) -{ -} - -void putint32(p, v) -byte* p; int v; -{ - p[0] = (v >> 24) & 0xff; - p[1] = (v >> 16) & 0xff; - p[2] = (v >> 8) & 0xff; - p[3] = (v) & 0xff; -} - -int getint16(p) -byte* p; -{ - return (p[0] << 8) | p[1]; -} - -/* -** Command: -** m L1 L0 -> a heap map of length L1*256 + L0 is returned -** s -> X3 X2 X1 X0 Y3 Y2 Y1 Y0 Z3 Z2 Z1 Z0 -** X == Total heap size bytes -** Y == Total free bytes -** Z == Size of largest free block in bytes -** -** h L1 L0 B0 -> Generate a logarithm histogram base B with L buckets -** l L1 L0 S0 -> Generate a linear histogram with step S with L buckets -*/ -unsigned char outbuf[HISTO_BUF_SIZE*2*4]; - -static void mem_command(ErlDrvData port, char* buf, int count) -{ - if ((count == 1) && buf[0] == 's') { - struct elib_stat info; - char v[3*4]; - - elib_stat(&info); - - putint32(v, info.mem_total*4); - putint32(v+4, info.mem_free*4); - putint32(v+8, info.max_free*4); - driver_output((ErlDrvPort)port, v, 12); - return; - } - else if ((count == 3) && buf[0] == 'm') { - char w[MAP_BUF_SIZE]; - int n = getint16(buf+1); - - if (n > MAP_BUF_SIZE) - n = MAP_BUF_SIZE; - elib_heap_map(w, n); - driver_output((ErlDrvPort)port, w, n); - return; - } - else if ((count == 4) && (buf[0] == 'h' || buf[0] == 'l')) { - unsigned long vf[HISTO_BUF_SIZE]; - unsigned long va[HISTO_BUF_SIZE]; - int n = getint16(buf+1); - int base = (unsigned char) buf[3]; - - if (n >= HISTO_BUF_SIZE) - n = HISTO_BUF_SIZE; - if (buf[0] == 'l') - base = -base; - if (elib_histo(vf, va, n, base) < 0) { - driver_failure((ErlDrvPort)port, -1); - return; - } - else { - char* p = outbuf; - int i; - - for (i = 0; i < n; i++) { - putint32(p, vf[i]); - p += 4; - } - for (i = 0; i < n; i++) { - putint32(p, va[i]); - p += 4; - } - driver_output((ErlDrvPort)port, outbuf, n*8); - } - return; - } - driver_failure((ErlDrvPort)port, -1); -} - diff --git a/erts/emulator/drivers/win32/win_efile.c b/erts/emulator/drivers/win32/win_efile.c index 89aaad31da..4ec9579529 100644..100755 --- a/erts/emulator/drivers/win32/win_efile.c +++ b/erts/emulator/drivers/win32/win_efile.c @@ -1,19 +1,19 @@ /* * %CopyrightBegin% - * - * Copyright Ericsson AB 1997-2009. All Rights Reserved. - * + * + * Copyright Ericsson AB 1997-2010. All Rights Reserved. + * * The contents of this file are subject to the Erlang Public License, * Version 1.1, (the "License"); you may not use this file except in * compliance with the License. You should have received a copy of the * Erlang Public License along with this software. If not, it can be * retrieved online at http://www.erlang.org/. - * + * * Software distributed under the License is distributed on an "AS IS" * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See * the License for the specific language governing rights and limitations * under the License. - * + * * %CopyrightEnd% */ /* @@ -23,20 +23,20 @@ #include <windows.h> #include "sys.h" #include <ctype.h> - +#include <wchar.h> #include "erl_efile.h" /* * Microsoft-specific function to map a WIN32 error code to a Posix errno. */ -#define ISSLASH(a) ((a) == '\\' || (a) == '/') +#define ISSLASH(a) ((a) == L'\\' || (a) == L'/') #define ISDIR(st) (((st).st_mode&S_IFMT) == S_IFDIR) #define ISREG(st) (((st).st_mode&S_IFMT) == S_IFREG) #define IS_DOT_OR_DOTDOT(s) \ - (s[0] == '.' && (s[1] == '\0' || (s[1] == '.' && s[2] == '\0'))) + ((s)[0] == L'.' && ((s)[1] == L'\0' || ((s)[1] == L'.' && (s)[2] == L'\0'))) #ifndef INVALID_FILE_ATTRIBUTES #define INVALID_FILE_ATTRIBUTES ((DWORD) 0xFFFFFFFF) @@ -44,9 +44,9 @@ static int check_error(int result, Efile_error* errInfo); static int set_error(Efile_error* errInfo); -static int IsRootUNCName(const char* path); -static int extract_root(char* name); -static unsigned short dos_to_posix_mode(int attr, const char *name); +static int is_root_unc_name(const WCHAR *path); +static int extract_root(WCHAR *name); +static unsigned short dos_to_posix_mode(int attr, const WCHAR *name); static int errno_map(DWORD last_error) { @@ -196,27 +196,26 @@ win_writev(Efile_error* errInfo, int -efile_mkdir(errInfo, name) -Efile_error* errInfo; /* Where to return error codes. */ -char* name; /* Name of directory to create. */ +efile_mkdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of directory to create. */ { - return check_error(mkdir(name), errInfo); + return check_error(_wmkdir((WCHAR *) name), errInfo); } int -efile_rmdir(errInfo, name) -Efile_error* errInfo; /* Where to return error codes. */ -char* name; /* Name of directory to delete. */ +efile_rmdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of directory to delete. */ { OSVERSIONINFO os; DWORD attr; + WCHAR *wname = (WCHAR *) name; - if (RemoveDirectory(name) != FALSE) { + if (RemoveDirectoryW(wname) != FALSE) { return 1; } errno = errno_map(GetLastError()); if (errno == EACCES) { - attr = GetFileAttributes(name); + attr = GetFileAttributesW(wname); if (attr != (DWORD) -1) { if ((attr & FILE_ATTRIBUTE_DIRECTORY) == 0) { /* @@ -238,21 +237,21 @@ char* name; /* Name of directory to delete. */ GetVersionEx(&os); if (os.dwPlatformId == VER_PLATFORM_WIN32_WINDOWS) { HANDLE handle; - WIN32_FIND_DATA data; - char buffer[2*MAX_PATH]; + WIN32_FIND_DATAW data; + WCHAR buffer[2*MAX_PATH]; int len; - len = strlen(name); - strcpy(buffer, name); - if (buffer[0] && buffer[len-1] != '\\' && buffer[len-1] != '/') { - strcat(buffer, "\\"); + len = wcslen(wname); + wcscpy(buffer, wname); + if (buffer[0] && buffer[len-1] != L'\\' && buffer[len-1] != L'/') { + wcscat(buffer, L"\\"); } - strcat(buffer, "*.*"); - handle = FindFirstFile(buffer, &data); + wcscat(buffer, L"*.*"); + handle = FindFirstFileW(buffer, &data); if (handle != INVALID_HANDLE_VALUE) { while (1) { - if ((strcmp(data.cFileName, ".") != 0) - && (strcmp(data.cFileName, "..") != 0)) { + if ((wcscmp(data.cFileName, L".") != 0) + && (wcscmp(data.cFileName, L"..") != 0)) { /* * Found something in this directory. */ @@ -260,7 +259,7 @@ char* name; /* Name of directory to delete. */ errno = EEXIST; break; } - if (FindNextFile(handle, &data) == FALSE) { + if (FindNextFileW(handle, &data) == FALSE) { break; } } @@ -284,19 +283,19 @@ char* name; /* Name of directory to delete. */ } int -efile_delete_file(errInfo, name) -Efile_error* errInfo; /* Where to return error codes. */ -char* name; /* Name of file to delete. */ +efile_delete_file(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of file to delete. */ { DWORD attr; + WCHAR *wname = (WCHAR *) name; - if (DeleteFile(name) != FALSE) { + if (DeleteFileW(wname) != FALSE) { return 1; } errno = errno_map(GetLastError()); if (errno == EACCES) { - attr = GetFileAttributes(name); + attr = GetFileAttributesW(wname); if (attr != (DWORD) -1) { if (attr & FILE_ATTRIBUTE_DIRECTORY) { /* @@ -308,7 +307,7 @@ char* name; /* Name of file to delete. */ } } } else if (errno == ENOENT) { - attr = GetFileAttributes(name); + attr = GetFileAttributesW(wname); if (attr != (DWORD) -1) { if (attr & FILE_ATTRIBUTE_DIRECTORY) { /* @@ -362,20 +361,21 @@ char* name; /* Name of file to delete. */ */ int -efile_rename(errInfo, src, dst) -Efile_error* errInfo; /* Where to return error codes. */ -char* src; /* Original name. */ -char* dst; /* New name. */ +efile_rename(Efile_error* errInfo, /* Where to return error codes. */ + char* src, /* Original name. */ + char* dst) /* New name. */ { DWORD srcAttr, dstAttr; + WCHAR *wsrc = (WCHAR *) src; + WCHAR *wdst = (WCHAR *) dst; - if (MoveFile(src, dst) != FALSE) { + if (MoveFileW(wsrc, wdst) != FALSE) { return 1; } errno = errno_map(GetLastError()); - srcAttr = GetFileAttributes(src); - dstAttr = GetFileAttributes(dst); + srcAttr = GetFileAttributesW(wsrc); + dstAttr = GetFileAttributesW(wdst); if (srcAttr == (DWORD) -1) { srcAttr = 0; } @@ -390,22 +390,22 @@ char* dst; /* New name. */ if (errno == EACCES) { decode: if (srcAttr & FILE_ATTRIBUTE_DIRECTORY) { - char srcPath[MAX_PATH], dstPath[MAX_PATH]; - char *srcRest, *dstRest; + WCHAR srcPath[MAX_PATH], dstPath[MAX_PATH]; + WCHAR *srcRest, *dstRest; int size; - size = GetFullPathName(src, sizeof(srcPath), srcPath, &srcRest); - if ((size == 0) || (size > sizeof(srcPath))) { + size = GetFullPathNameW(wsrc, MAX_PATH, srcPath, &srcRest); + if ((size == 0) || (size > MAX_PATH)) { return check_error(-1, errInfo); } - size = GetFullPathName(dst, sizeof(dstPath), dstPath, &dstRest); - if ((size == 0) || (size > sizeof(dstPath))) { + size = GetFullPathNameW(wdst, MAX_PATH, dstPath, &dstRest); + if ((size == 0) || (size > MAX_PATH)) { return check_error(-1, errInfo); } if (srcRest == NULL) { - srcRest = srcPath + strlen(srcPath); + srcRest = srcPath + wcslen(srcPath); } - if (strnicmp(srcPath, dstPath, srcRest - srcPath) == 0) { + if (_wcsnicmp(srcPath, dstPath, srcRest - srcPath) == 0) { /* * Trying to move a directory into itself. */ @@ -420,14 +420,14 @@ char* dst; /* New name. */ } (void) extract_root(dstPath); - if (dstPath[0] == '\0') { + if (dstPath[0] == L'\0') { /* * The filename was invalid. (Don't know why, * but play it safe.) */ errno = EINVAL; } - if (stricmp(srcPath, dstPath) != 0) { + if (_wcsicmp(srcPath, dstPath) != 0) { /* * If src is a directory and dst filesystem != src * filesystem, errno should be EXDEV. It is very @@ -463,14 +463,14 @@ char* dst; /* New name. */ * fails, it's because it wasn't empty. */ - if (RemoveDirectory(dst)) { + if (RemoveDirectoryW(wdst)) { /* * Now that that empty directory is gone, we can try * renaming again. If that fails, we'll put this empty * directory back, for completeness. */ - if (MoveFile(src, dst) != FALSE) { + if (MoveFileW(wsrc, wdst) != FALSE) { return 1; } @@ -480,8 +480,8 @@ char* dst; /* New name. */ */ errno = errno_map(GetLastError()); - CreateDirectory(dst, NULL); - SetFileAttributes(dst, dstAttr); + CreateDirectoryW(wdst, NULL); + SetFileAttributesW(wdst, dstAttr); if (errno == EACCES) { /* * Decode the EACCES to a more meaningful error. @@ -506,17 +506,17 @@ char* dst; /* New name. */ * put temp file back to old name. */ - char tempName[MAX_PATH]; + WCHAR tempName[MAX_PATH]; int result, size; - char *rest; + WCHAR *rest; - size = GetFullPathName(dst, sizeof(tempName), tempName, &rest); - if ((size == 0) || (size > sizeof(tempName)) || (rest == NULL)) { + size = GetFullPathNameW(wdst, MAX_PATH, tempName, &rest); + if ((size == 0) || (size > MAX_PATH) || (rest == NULL)) { return check_error(-1, errInfo); } - *rest = '\0'; + *rest = L'\0'; result = -1; - if (GetTempFileName(tempName, "erlr", 0, tempName) != 0) { + if (GetTempFileNameW(tempName, L"erlr", 0, tempName) != 0) { /* * Strictly speaking, need the following DeleteFile and * MoveFile to be joined as an atomic operation so no @@ -524,15 +524,15 @@ char* dst; /* New name. */ * same temp file. */ - DeleteFile(tempName); - if (MoveFile(dst, tempName) != FALSE) { - if (MoveFile(src, dst) != FALSE) { - SetFileAttributes(tempName, FILE_ATTRIBUTE_NORMAL); - DeleteFile(tempName); + DeleteFileW(tempName); + if (MoveFileW(wdst, tempName) != FALSE) { + if (MoveFileW(wsrc, wdst) != FALSE) { + SetFileAttributesW(tempName, FILE_ATTRIBUTE_NORMAL); + DeleteFileW(tempName); return 1; } else { - DeleteFile(dst); - MoveFile(tempName, dst); + DeleteFileW(wdst); + MoveFileW(tempName, wdst); } } @@ -558,11 +558,10 @@ char* dst; /* New name. */ } int -efile_chdir(errInfo, name) -Efile_error* errInfo; /* Where to return error codes. */ -char* name; /* Name of directory to make current. */ +efile_chdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name) /* Name of directory to make current. */ { - int success = check_error(chdir(name), errInfo); + int success = check_error(_wchdir((WCHAR *) name), errInfo); if (!success && errInfo->posix_errno == EINVAL) /* POSIXification of errno */ errInfo->posix_errno = ENOENT; @@ -570,59 +569,65 @@ char* name; /* Name of directory to make current. */ } int -efile_getdcwd(errInfo, drive, buffer, size) -Efile_error* errInfo; /* Where to return error codes. */ -int drive; /* 0 - current, 1 - A, 2 - B etc. */ -char* buffer; /* Where to return the current directory. */ -size_t size; /* Size of buffer. */ +efile_getdcwd(Efile_error* errInfo, /* Where to return error codes. */ + int drive, /* 0 - current, 1 - A, 2 - B etc. */ + char* buffer, /* Where to return the current directory. */ + size_t size) /* Size of buffer. */ { - if (_getdcwd(drive, buffer, size) == NULL) + WCHAR *wbuffer = (WCHAR *) buffer; + size_t wbuffer_size = size / 2; + if (_wgetdcwd(drive, wbuffer, wbuffer_size) == NULL) return check_error(-1, errInfo); - for ( ; *buffer; buffer++) - if (*buffer == '\\') - *buffer = '/'; + for ( ; *wbuffer; wbuffer++) + if (*wbuffer == L'\\') + *wbuffer = L'/'; return 1; } int -efile_readdir(errInfo, name, dir_handle, buffer, size) -Efile_error* errInfo; /* Where to return error codes. */ -char* name; /* Name of directory to open. */ -EFILE_DIR_HANDLE* dir_handle; /* Directory handle of open directory. */ -char* buffer; /* Pointer to buffer for one filename. */ -size_t size; /* Size of buffer. */ +efile_readdir(Efile_error* errInfo, /* Where to return error codes. */ + char* name, /* Name of directory to list */ + EFILE_DIR_HANDLE* dir_handle, /* Handle of opened directory or NULL */ + char* buffer, /* Buffer to put one filename in */ + size_t *size) /* in-out size of buffer/size of filename excluding zero + termination in bytes*/ { HANDLE dir; /* Handle to directory. */ - char wildcard[MAX_PATH]; /* Wildcard to search for. */ - WIN32_FIND_DATA findData; /* Data found by FindFirstFile() or FindNext(). */ + WCHAR wildcard[MAX_PATH]; /* Wildcard to search for. */ + WIN32_FIND_DATAW findData; /* Data found by FindFirstFile() or FindNext(). */ + /* Alignment is not honored, this works on x86 because of alignment fixup by processor. + Not perfect, but faster than alinging by hand (really) */ + WCHAR *wname = (WCHAR *) name; + WCHAR *wbuffer = (WCHAR *) buffer; /* * First time we must setup everything. */ if (*dir_handle == NULL) { - int length = strlen(name); - char* s; + int length = wcslen(wname); + WCHAR* s; if (length+3 >= MAX_PATH) { errno = ENAMETOOLONG; return check_error(-1, errInfo); } - strcpy(wildcard, name); + wcscpy(wildcard, wname); s = wildcard+length-1; - if (*s != '/' && *s != '\\') - *++s = '\\'; - *++s = '*'; - *++s = '\0'; - DEBUGF(("Reading %s\n", wildcard)); - dir = FindFirstFile(wildcard, &findData); + if (*s != L'/' && *s != L'\\') + *++s = L'\\'; + *++s = L'*'; + *++s = L'\0'; + DEBUGF(("Reading %ws\n", wildcard)); + dir = FindFirstFileW(wildcard, &findData); if (dir == INVALID_HANDLE_VALUE) return set_error(errInfo); *dir_handle = (EFILE_DIR_HANDLE) dir; if (!IS_DOT_OR_DOTDOT(findData.cFileName)) { - strcpy(buffer, findData.cFileName); + wcscpy(wbuffer, findData.cFileName); + *size = wcslen(wbuffer)*2; return 1; } } @@ -635,10 +640,11 @@ size_t size; /* Size of buffer. */ dir = (HANDLE) *dir_handle; for (;;) { - if (FindNextFile(dir, &findData)) { + if (FindNextFileW(dir, &findData)) { if (IS_DOT_OR_DOTDOT(findData.cFileName)) continue; - strcpy(buffer, findData.cFileName); + wcscpy(wbuffer, findData.cFileName); + *size = wcslen(wbuffer)*2; return 1; } @@ -655,17 +661,17 @@ size_t size; /* Size of buffer. */ } int -efile_openfile(errInfo, name, flags, pfd, pSize) -Efile_error* errInfo; /* Where to return error codes. */ -char* name; /* Name of directory to open. */ -int flags; /* Flags to use for opening. */ -int* pfd; /* Where to store the file descriptor. */ -Sint64* pSize; /* Where to store the size of the file. */ +efile_openfile(Efile_error* errInfo, /* Where to return error codes. */ + char* name, /* Name of directory to open. */ + int flags, /* Flags to use for opening. */ + int* pfd, /* Where to store the file descriptor. */ + Sint64* pSize) /* Where to store the size of the file. */ { BY_HANDLE_FILE_INFORMATION fileInfo; /* File information from a handle. */ HANDLE fd; /* Handle to open file. */ DWORD access; /* Access mode: GENERIC_READ, GENERIC_WRITE. */ DWORD crFlags; + WCHAR *wname = (WCHAR *) name; switch (flags & (EFILE_MODE_READ|EFILE_MODE_WRITE)) { case EFILE_MODE_READ: @@ -689,7 +695,11 @@ Sint64* pSize; /* Where to store the size of the file. */ if (flags & EFILE_MODE_APPEND) { crFlags = OPEN_ALWAYS; } - fd = CreateFile(name, access, FILE_SHARE_READ | FILE_SHARE_WRITE, + if (flags & EFILE_MODE_EXCL) { + crFlags = CREATE_NEW; + } + fd = CreateFileW(wname, access, + FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, NULL, crFlags, FILE_ATTRIBUTE_NORMAL, NULL); /* @@ -707,7 +717,7 @@ Sint64* pSize; /* Where to store the size of the file. */ * to EISDIR. */ if (errInfo->posix_errno && - (attr = GetFileAttributes(name)) != INVALID_FILE_ATTRIBUTES && + (attr = GetFileAttributesW(wname)) != INVALID_FILE_ATTRIBUTES && (attr & FILE_ATTRIBUTE_DIRECTORY)) { errInfo->posix_errno = EISDIR; } @@ -731,9 +741,10 @@ Sint64* pSize; /* Where to store the size of the file. */ int efile_may_openfile(Efile_error* errInfo, char *name) { + WCHAR *wname = (WCHAR *) name; DWORD attr; - if ((attr = GetFileAttributes(name)) == INVALID_FILE_ATTRIBUTES) { + if ((attr = GetFileAttributesW(wname)) == INVALID_FILE_ATTRIBUTES) { return check_error(-1, errInfo); } @@ -742,18 +753,6 @@ efile_may_openfile(Efile_error* errInfo, char *name) { return check_error(-1, errInfo); } return 1; -#if 0 - struct stat statbuf; - - if (stat(name, &statbuf)) { - return check_error(-1, errInfo); - } - if (ISDIR(statbuf)) { - errno = EISDIR; - return check_error(-1, errInfo); - } - return 1; -#endif } void @@ -764,6 +763,15 @@ int fd; /* File descriptor for file to close. */ } int +efile_fdatasync(errInfo, fd) +Efile_error* errInfo; /* Where to return error codes. */ +int fd; /* File descriptor for file to sync. */ +{ + /* Not available in Windows, just call regular fsync */ + return efile_fsync(errInfo, fd); +} + +int efile_fsync(errInfo, fd) Efile_error* errInfo; /* Where to return error codes. */ int fd; /* File descriptor for file to sync. */ @@ -779,16 +787,17 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, char* orig_name, int info_for_link) { HANDLE findhandle; /* Handle returned by FindFirstFile(). */ - WIN32_FIND_DATA findbuf; /* Data return by FindFirstFile(). */ - char name[_MAX_PATH]; + WIN32_FIND_DATAW findbuf; /* Data return by FindFirstFile(). */ + WCHAR name[_MAX_PATH]; int name_len; - char* path; - char pathbuf[_MAX_PATH]; + WCHAR *path; + WCHAR pathbuf[_MAX_PATH]; int drive; /* Drive for filename (1 = A:, 2 = B: etc). */ + WCHAR *worig_name = (WCHAR *) orig_name; /* Don't allow wildcards to be interpreted by system */ - if (strpbrk(orig_name, "?*")) { + if (wcspbrk(worig_name, L"?*")) { enoent: errInfo->posix_errno = ENOENT; errInfo->os_errno = ERROR_FILE_NOT_FOUND; @@ -800,25 +809,25 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, * slash, because it causes FindFirstFile() to fail on Win95. */ - if ((name_len = strlen(orig_name)) >= _MAX_PATH) { + if ((name_len = wcslen(worig_name)) >= _MAX_PATH) { goto enoent; } else { - strcpy(name, orig_name); + wcscpy(name, worig_name); if (name_len > 2 && ISSLASH(name[name_len-1]) && - name[name_len-2] != ':') { - name[name_len-1] = '\0'; + name[name_len-2] != L':') { + name[name_len-1] = L'\0'; } } /* Try to get disk from name. If none, get current disk. */ - if (name[1] != ':') { + if (name[1] != L':') { drive = 0; - if (GetCurrentDirectory(sizeof(pathbuf), pathbuf) && - pathbuf[1] == ':') { - drive = tolower(pathbuf[0]) - 'a' + 1; + if (GetCurrentDirectoryW(_MAX_PATH, pathbuf) && + pathbuf[1] == L':') { + drive = towlower(pathbuf[0]) - L'a' + 1; } - } else if (*name && name[2] == '\0') { + } else if (*name && name[2] == L'\0') { /* * X: and nothing more is an error. */ @@ -826,15 +835,15 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, errInfo->os_errno = ERROR_FILE_NOT_FOUND; return 0; } else - drive = tolower(*name) - 'a' + 1; + drive = towlower(*name) - L'a' + 1; - findhandle = FindFirstFile(name, &findbuf); + findhandle = FindFirstFileW(name, &findbuf); if (findhandle == INVALID_HANDLE_VALUE) { - if (!(strpbrk(name, "./\\") && - (path = _fullpath(pathbuf, name, _MAX_PATH)) && + if (!(wcspbrk(name, L"./\\") && + (path = _wfullpath(pathbuf, name, _MAX_PATH)) && /* root dir. ('C:\') or UNC root dir. ('\\server\share\') */ - ((strlen(path) == 3) || IsRootUNCName(path)) && - (GetDriveType(path) > 1) ) ) { + ((wcslen(path) == 3) || is_root_unc_name(path)) && + (GetDriveTypeW(path) > 1) ) ) { errInfo->posix_errno = ENOENT; errInfo->os_errno = ERROR_FILE_NOT_FOUND; return 0; @@ -847,8 +856,9 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, findbuf.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY; findbuf.nFileSizeHigh = 0; findbuf.nFileSizeLow = 0; - findbuf.cFileName[0] = '\0'; + findbuf.cFileName[0] = L'\0'; + pInfo->links = 1; pInfo->modifyTime.year = 1980; pInfo->modifyTime.month = 1; pInfo->modifyTime.day = 1; @@ -861,6 +871,35 @@ efile_fileinfo(Efile_error* errInfo, Efile_info* pInfo, SYSTEMTIME SystemTime; FILETIME LocalFTime; + /*first check if we are a symlink */ + if (!info_for_link && (findbuf.dwFileAttributes & + FILE_ATTRIBUTE_REPARSE_POINT)){ + /* + * given that we know this is a symlink, + we should be able to find its target */ + WCHAR target_name[_MAX_PATH]; + if (efile_readlink(errInfo, (char *) name, + (char *) target_name,256) == 1) { + FindClose(findhandle); + return efile_fileinfo(errInfo, pInfo, + (char *) target_name, info_for_link); + } + } + + /* number of links: */ + { + HANDLE handle; /* Handle returned by CreateFile() */ + BY_HANDLE_FILE_INFORMATION fileInfo; /* from CreateFile() */ + if (handle = CreateFileW(name, GENERIC_READ, 0,NULL, + OPEN_EXISTING, 0, NULL)) { + GetFileInformationByHandle(handle, &fileInfo); + pInfo->links = fileInfo.nNumberOfLinks; + CloseHandle(handle); + } else { + pInfo->links = 1; + } + } + #define GET_TIME(dst, src) \ if (!FileTimeToLocalFileTime(&findbuf.src, &LocalFTime) || \ !FileTimeToSystemTime(&LocalFTime, &SystemTime)) { \ @@ -895,7 +934,10 @@ if (!FileTimeToLocalFileTime(&findbuf.src, &LocalFTime) || \ pInfo->size_low = findbuf.nFileSizeLow; pInfo->size_high = findbuf.nFileSizeHigh; - if (findbuf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) + if (info_for_link && (findbuf.dwFileAttributes & + FILE_ATTRIBUTE_REPARSE_POINT)) + pInfo->type = FT_SYMLINK; + else if (findbuf.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) pInfo->type = FT_DIRECTORY; else pInfo->type = FT_REGULAR; @@ -906,7 +948,6 @@ if (!FileTimeToLocalFileTime(&findbuf.src, &LocalFTime) || \ pInfo->access = FA_READ|FA_WRITE; pInfo->mode = dos_to_posix_mode(findbuf.dwFileAttributes, name); - pInfo->links = 1; pInfo->major_device = drive; pInfo->minor_device = 0; pInfo->inode = 0; @@ -917,10 +958,9 @@ if (!FileTimeToLocalFileTime(&findbuf.src, &LocalFTime) || \ } int -efile_write_info(errInfo, pInfo, name) -Efile_error* errInfo; -Efile_info* pInfo; -char* name; +efile_write_info(Efile_error* errInfo, + Efile_info* pInfo, + char* name) { SYSTEMTIME timebuf; FILETIME LocalFileTime; @@ -934,12 +974,13 @@ char* name; DWORD attr; DWORD tempAttr; BOOL modifyTime = FALSE; + WCHAR *wname = (WCHAR *) name; /* * Get the attributes for the file. */ - tempAttr = attr = GetFileAttributes((LPTSTR)name); + tempAttr = attr = GetFileAttributesW(wname); if (attr == 0xffffffff) { return set_error(errInfo); } @@ -993,12 +1034,12 @@ char* name; if (tempAttr & FILE_ATTRIBUTE_READONLY) { tempAttr &= ~FILE_ATTRIBUTE_READONLY; - if (!SetFileAttributes((LPTSTR) name, tempAttr)) { + if (!SetFileAttributesW(wname, tempAttr)) { return set_error(errInfo); } } - fd = CreateFile(name, GENERIC_READ|GENERIC_WRITE, + fd = CreateFileW(wname, GENERIC_READ|GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); if (fd != INVALID_HANDLE_VALUE) { @@ -1016,7 +1057,7 @@ char* name; */ if (tempAttr != attr) { - if (!SetFileAttributes((LPTSTR) name, attr)) { + if (!SetFileAttributesW(wname, attr)) { return set_error(errInfo); } } @@ -1069,12 +1110,17 @@ char* buf; /* Buffer to write. */ size_t count; /* Number of bytes to write. */ { DWORD written; /* Bytes written in last operation. */ + OVERLAPPED overlapped; + OVERLAPPED* pOverlapped = NULL; if (flags & EFILE_MODE_APPEND) { - (void) SetFilePointer((HANDLE) fd, 0, NULL, FILE_END); + memset(&overlapped, 0, sizeof(overlapped)); + overlapped.Offset = 0xffffffff; + overlapped.OffsetHigh = 0xffffffff; + pOverlapped = &overlapped; } while (count > 0) { - if (!WriteFile((HANDLE) fd, buf, count, &written, NULL)) + if (!WriteFile((HANDLE) fd, buf, count, &written, pOverlapped)) return set_error(errInfo); buf += written; count -= written; @@ -1094,11 +1140,16 @@ efile_writev(Efile_error* errInfo, /* Where to return error codes */ size_t size) /* Number of bytes to write */ { int cnt; /* Buffers so far written */ + OVERLAPPED overlapped; + OVERLAPPED* pOverlapped = NULL; ASSERT(iovcnt >= 0); if (flags & EFILE_MODE_APPEND) { - (void) SetFilePointer((HANDLE) fd, 0, NULL, FILE_END); + memset(&overlapped, 0, sizeof(overlapped)); + overlapped.Offset = 0xffffffff; + overlapped.OffsetHigh = 0xffffffff; + pOverlapped = &overlapped; } for (cnt = 0; cnt < iovcnt; cnt++) { if (iov[cnt].iov_base && iov[cnt].iov_len > 0) { @@ -1110,7 +1161,7 @@ efile_writev(Efile_error* errInfo, /* Where to return error codes */ iov[cnt].iov_base + p, iov[cnt].iov_len - p, &w, - NULL)) + pOverlapped)) return set_error(errInfo); } } @@ -1182,7 +1233,7 @@ int flags; /* - * IsRootUNCName - returns TRUE if the argument is a UNC name specifying + * is_root_unc_name - returns TRUE if the argument is a UNC name specifying * a root share. That is, if it is of the form \\server\share\. * This routine will also return true if the argument is of the * form \\server\share (no trailing slash) but Win32 currently @@ -1192,16 +1243,16 @@ int flags; */ static int -IsRootUNCName(const char* path) +is_root_unc_name(const WCHAR *path) { /* * If a root UNC name, path will start with 2 (but not 3) slashes */ - if ((strlen(path) >= 5) /* minimum string is "//x/y" */ + if ((wcslen(path) >= 5) /* minimum string is "//x/y" */ && ISSLASH(path[0]) && ISSLASH(path[1])) { - const char * p = path + 2 ; + const WCHAR *p = path + 2; /* * find the slash between the server name and share name @@ -1244,19 +1295,19 @@ IsRootUNCName(const char* path) */ static int -extract_root(char* name) +extract_root(WCHAR* name) { - int len = strlen(name); + int len = wcslen(name); - if (isalpha(name[0]) && name[1] == ':' && ISSLASH(name[2])) { - int c = name[3]; - name[3] = '\0'; - return c == '\0'; + if (iswalpha(name[0]) && name[1] == L':' && ISSLASH(name[2])) { + WCHAR c = name[3]; + name[3] = L'\0'; + return c == L'\0'; } else if (len < 5 || !ISSLASH(name[0]) || !ISSLASH(name[1])) { goto error; } else { /* Try to find the end of the UNC name. */ - char* p; - int c; + WCHAR* p; + WCHAR c; /* * Find the slash between the server name and share name. @@ -1265,7 +1316,7 @@ extract_root(char* name) for (p = name + 2; *p; p++) if (ISSLASH(*p)) break; - if (*p == '\0') + if (*p == L'\0') goto error; /* @@ -1276,24 +1327,24 @@ extract_root(char* name) if (ISSLASH(*p)) break; c = *p; - *p = '\0'; - return c == '\0' || p[1] == '\0'; + *p = L'\0'; + return c == L'\0' || p[1] == L'\0'; } error: - *name = '\0'; + *name = L'\0'; return 1; } static unsigned short -dos_to_posix_mode(int attr, const char *name) +dos_to_posix_mode(int attr, const WCHAR *name) { register unsigned short uxmode; unsigned dosmode; - register const char *p; + register const WCHAR *p; dosmode = attr & 0xff; - if ((p = name)[1] == ':') + if ((p = name)[1] == L':') p += 2; /* check to see if this is a directory - note we must make a special @@ -1302,7 +1353,7 @@ dos_to_posix_mode(int attr, const char *name) uxmode = (unsigned short) (((ISSLASH(*p) && !p[1]) || (dosmode & FILE_ATTRIBUTE_DIRECTORY) || - *p == '\0') ? _S_IFDIR|_S_IEXEC : _S_IFREG); + *p == L'\0') ? _S_IFDIR|_S_IEXEC : _S_IFREG); /* If attribute byte does not have read-only bit, it is read-write */ @@ -1311,11 +1362,11 @@ dos_to_posix_mode(int attr, const char *name) /* see if file appears to be executable - check extension of name */ - if (p = strrchr(name, '.')) { - if (!stricmp(p, ".exe") || - !stricmp(p, ".cmd") || - !stricmp(p, ".bat") || - !stricmp(p, ".com")) + if (p = wcsrchr(name, L'.')) { + if (!_wcsicmp(p, L".exe") || + !_wcsicmp(p, L".cmd") || + !_wcsicmp(p, L".bat") || + !_wcsicmp(p, L".com")) uxmode |= _S_IEXEC; } @@ -1330,6 +1381,60 @@ dos_to_posix_mode(int attr, const char *name) int efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size) { + /* + * load dll and see if we have CreateSymbolicLink at runtime: + * (Vista only) + */ + HINSTANCE hModule = NULL; + WCHAR *wname = (WCHAR *) name; + WCHAR *wbuffer = (WCHAR *) buffer; + if ((hModule = LoadLibrary("kernel32.dll")) != NULL) { + typedef DWORD (WINAPI * GETFINALPATHNAMEBYHANDLEPTR)( + HANDLE hFile, + LPCWSTR lpFilePath, + DWORD cchFilePath, + DWORD dwFlags); + + GETFINALPATHNAMEBYHANDLEPTR pGetFinalPathNameByHandle = + (GETFINALPATHNAMEBYHANDLEPTR)GetProcAddress(hModule, "GetFinalPathNameByHandleW"); + + if (pGetFinalPathNameByHandle == NULL) { + FreeLibrary(hModule); + } else { + /* first check if file is a symlink; {error, einval} otherwise */ + DWORD fileAttributes = GetFileAttributesW(wname); + if ((fileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)) { + BOOLEAN success = 0; + HANDLE h = CreateFileW(wname, GENERIC_READ, 0,NULL, OPEN_EXISTING, 0, NULL); + int len; + if(h != INVALID_HANDLE_VALUE) { + success = pGetFinalPathNameByHandle(h, wbuffer, size,0); + /* GetFinalPathNameByHandle prepends path with "\\?\": */ + len = wcslen(wbuffer); + wmemmove(wbuffer,wbuffer+4,len-3); + if (len - 4 >= 2 && wbuffer[1] == L':' && wbuffer[0] >= L'A' && + wbuffer[0] <= L'Z') { + wbuffer[0] = wbuffer[0] + L'a' - L'A'; + } + + for ( ; *wbuffer; wbuffer++) + if (*wbuffer == L'\\') + *wbuffer = L'/'; + CloseHandle(h); + } + FreeLibrary(hModule); + if (success) { + return 1; + } else { + return set_error(errInfo); + } + } else { + FreeLibrary(hModule); + errno = EINVAL; + return check_error(-1, errInfo); + } + } + } errno = ENOTSUP; return check_error(-1, errInfo); } @@ -1338,17 +1443,20 @@ efile_readlink(Efile_error* errInfo, char* name, char* buffer, size_t size) int efile_altname(Efile_error* errInfo, char* orig_name, char* buffer, size_t size) { - WIN32_FIND_DATA wfd; + WIN32_FIND_DATAW wfd; HANDLE fh; - char name[_MAX_PATH]; + WCHAR name[_MAX_PATH+1]; int name_len; - char* path; - char pathbuf[_MAX_PATH]; + WCHAR* path; + WCHAR pathbuf[_MAX_PATH+1]; /* Unclear weather GetCurrentDirectory will access one char after + _MAX_PATH */ + WCHAR *worig_name = (WCHAR *) orig_name; + WCHAR *wbuffer = (WCHAR *) buffer; int drive; /* Drive for filename (1 = A:, 2 = B: etc). */ /* Don't allow wildcards to be interpreted by system */ - if (strpbrk(orig_name, "?*")) { + if (wcspbrk(worig_name, L"?*")) { enoent: errInfo->posix_errno = ENOENT; errInfo->os_errno = ERROR_FILE_NOT_FOUND; @@ -1360,67 +1468,114 @@ efile_altname(Efile_error* errInfo, char* orig_name, char* buffer, size_t size) * slash, because it causes FindFirstFile() to fail on Win95. */ - if ((name_len = strlen(orig_name)) >= _MAX_PATH) { + if ((name_len = wcslen(worig_name)) >= _MAX_PATH) { goto enoent; } else { - strcpy(name, orig_name); + wcscpy(name, worig_name); if (name_len > 2 && ISSLASH(name[name_len-1]) && - name[name_len-2] != ':') { - name[name_len-1] = '\0'; + name[name_len-2] != L':') { + name[name_len-1] = L'\0'; } } /* Try to get disk from name. If none, get current disk. */ - if (name[1] != ':') { + if (name[1] != L':') { drive = 0; - if (GetCurrentDirectory(sizeof(pathbuf), pathbuf) && - pathbuf[1] == ':') { - drive = tolower(pathbuf[0]) - 'a' + 1; + if (GetCurrentDirectoryW(_MAX_PATH, pathbuf) && + pathbuf[1] == L':') { + drive = towlower(pathbuf[0]) - L'a' + 1; } - } else if (*name && name[2] == '\0') { + } else if (*name && name[2] == L'\0') { /* * X: and nothing more is an error. */ goto enoent; } else { - drive = tolower(*name) - 'a' + 1; + drive = towlower(*name) - L'a' + 1; } - fh = FindFirstFile(name,&wfd); + fh = FindFirstFileW(name,&wfd); if (fh == INVALID_HANDLE_VALUE) { - if (!(strpbrk(name, "./\\") && - (path = _fullpath(pathbuf, name, _MAX_PATH)) && + if (!(wcspbrk(name, L"./\\") && + (path = _wfullpath(pathbuf, name, _MAX_PATH)) && /* root dir. ('C:\') or UNC root dir. ('\\server\share\') */ - ((strlen(path) == 3) || IsRootUNCName(path)) && - (GetDriveType(path) > 1) ) ) { + ((wcslen(path) == 3) || is_root_unc_name(path)) && + (GetDriveTypeW(path) > 1) ) ) { errno = errno_map(GetLastError()); return check_error(-1, errInfo); } /* * Root directories (such as C:\ or \\server\share\ are fabricated. */ - strcpy(buffer,name); + wcscpy(wbuffer,name); return 1; } - strcpy(buffer,wfd.cAlternateFileName); - if (!*buffer) { - strcpy(buffer,wfd.cFileName); + wcscpy(wbuffer,wfd.cAlternateFileName); + if (!*wbuffer) { + wcscpy(wbuffer,wfd.cFileName); } - + FindClose(fh); return 1; } + int efile_link(Efile_error* errInfo, char* old, char* new) { - errno = ENOTSUP; - return check_error(-1, errInfo); + WCHAR *wold = (WCHAR *) old; + WCHAR *wnew = (WCHAR *) new; + if(!CreateHardLinkW(wnew, wold, NULL)) { + return set_error(errInfo); + } + return 1; } int efile_symlink(Efile_error* errInfo, char* old, char* new) { + /* + * Load dll and see if we have CreateSymbolicLink at runtime: + * (Vista only) + */ + HINSTANCE hModule = NULL; + WCHAR *wold = (WCHAR *) old; + WCHAR *wnew = (WCHAR *) new; + if ((hModule = LoadLibrary("kernel32.dll")) != NULL) { + typedef BOOLEAN (WINAPI * CREATESYMBOLICLINKFUNCPTR) ( + LPCWSTR lpSymlinkFileName, + LPCWSTR lpTargetFileName, + DWORD dwFlags); + + CREATESYMBOLICLINKFUNCPTR pCreateSymbolicLink = + (CREATESYMBOLICLINKFUNCPTR) GetProcAddress(hModule, + "CreateSymbolicLinkW"); + /* A for MBCS, W for UNICODE... char* above implies 'W'! */ + if (pCreateSymbolicLink != NULL) { + DWORD attr = GetFileAttributesW(wold); + int flag = (attr != INVALID_FILE_ATTRIBUTES && + attr & FILE_ATTRIBUTE_DIRECTORY) ? 1 : 0; + /* SYMBOLIC_LINK_FLAG_DIRECTORY = 1 */ + BOOLEAN success = pCreateSymbolicLink(wnew, wold, flag); + FreeLibrary(hModule); + + if (success) { + return 1; + } else { + return set_error(errInfo); + } + } else + FreeLibrary(hModule); + } errno = ENOTSUP; return check_error(-1, errInfo); } + +int +efile_fadvise(Efile_error* errInfo, int fd, Sint64 offset, + Sint64 length, int advise) +{ + /* posix_fadvise is not available on Windows, do nothing */ + errno = ERROR_SUCCESS; + return check_error(0, errInfo); +} |