diff options
Diffstat (limited to 'erts/emulator/drivers')
-rw-r--r-- | erts/emulator/drivers/common/efile_drv.c | 11 | ||||
-rw-r--r-- | erts/emulator/drivers/common/gzio.c | 2 | ||||
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 17 | ||||
-rw-r--r-- | erts/emulator/drivers/common/zlib_drv.c | 86 | ||||
-rw-r--r-- | erts/emulator/drivers/unix/sig_drv.c | 2 |
5 files changed, 88 insertions, 30 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c index 3adb8db661..173a39533d 100644 --- a/erts/emulator/drivers/common/efile_drv.c +++ b/erts/emulator/drivers/common/efile_drv.c @@ -1937,7 +1937,8 @@ static void free_sendfile(void *data) { MUTEX_LOCK(d->c.sendfile.q_mtx); driver_deq(d->c.sendfile.port,1); MUTEX_UNLOCK(d->c.sendfile.q_mtx); - driver_select(d->c.sendfile.port, (ErlDrvEvent)(long)d->c.sendfile.out_fd, ERL_DRV_USE_NO_CALLBACK|ERL_DRV_WRITE, 0); + driver_select(d->c.sendfile.port, (ErlDrvEvent)(long)d->c.sendfile.out_fd, + ERL_DRV_USE_NO_CALLBACK|ERL_DRV_WRITE, 0); } EF_FREE(data); } @@ -2330,9 +2331,9 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) free_read(data); break; case FILE_READ_LINE: - /* The read_line stucture differs from the read structure. - The data->read_offset and d->c.read_line.read_offset are copies, as are - data->read_size and d->c.read_line.read_size + /* The read_line structure differs from the read structure. + The data->read_offset and d->c.read_line.read_offset are copies, as are + data->read_size and d->c.read_line.read_size The read_line function does not kniow in advance how large the binary has to be, why new allocation (but not reallocation of the old binary, for obvious reasons) may happen in the worker thread. */ @@ -2555,7 +2556,7 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data) desc->sendfile_state = sending; desc->d = d; driver_select(desc->port, (ErlDrvEvent)(long)d->c.sendfile.out_fd, - ERL_DRV_USE_NO_CALLBACK|ERL_DRV_WRITE, 1); + ERL_DRV_USE|ERL_DRV_WRITE, 1); } break; #endif diff --git a/erts/emulator/drivers/common/gzio.c b/erts/emulator/drivers/common/gzio.c index 1ef1602ec9..f60c781894 100644 --- a/erts/emulator/drivers/common/gzio.c +++ b/erts/emulator/drivers/common/gzio.c @@ -308,7 +308,7 @@ ErtsGzFile erts_gzopen (path, mode) /* =========================================================================== Read a byte from a gz_stream; update next_in and avail_in. Return EOF for end of file. - IN assertion: the stream s has been sucessfully opened for reading. + IN assertion: the stream s has been successfully opened for reading. */ local int get_byte(s) gz_stream *s; diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 1885338ce5..0fe5183b42 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -728,7 +728,7 @@ static int is_nonzero(const char *s, size_t n) #define TCP_ADDF_PENDING_SHUTDOWN \ (TCP_ADDF_PENDING_SHUT_WR | TCP_ADDF_PENDING_SHUT_RDWR) #define TCP_ADDF_SHOW_ECONNRESET 64 /* Tell user about incoming RST */ -#define TCP_ADDF_DELAYED_ECONNRESET 128 /* An ECONNRESET error occured on send or shutdown */ +#define TCP_ADDF_DELAYED_ECONNRESET 128 /* An ECONNRESET error occurred on send or shutdown */ #define TCP_ADDF_SHUTDOWN_WR_DONE 256 /* A shutdown(sock, SHUT_WR) or SHUT_RDWR was made */ #define TCP_ADDF_LINGER_ZERO 512 /* Discard driver queue on port close */ @@ -4132,8 +4132,8 @@ static char *inet_set_faddress(int family, inet_address* dst, /* Get a inaddr structure ** src = inaddr structure -** *len is the lenght of structure ** dst is filled with [F,P1,P0,X1,....] +** *len is the length of structure ** where F is the family code (coded) ** and *len is the length of dst on return ** (suitable to deliver to erlang) @@ -8345,10 +8345,10 @@ static ErlDrvData inet_start(ErlDrvPort port, int size, int protocol) return (ErlDrvData)desc; } - -#ifndef MAXHOSTNAMELEN -#define MAXHOSTNAMELEN 256 -#endif +/* MAXHOSTNAMELEN could be 64 or 255 depending +on the platform. Instead, use INET_MAXHOSTNAMELEN +which is always 255 across all platforms */ +#define INET_MAXHOSTNAMELEN 255 /* ** common TCP/UDP/SCTP control command @@ -8525,13 +8525,14 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, } case INET_REQ_GETHOSTNAME: { /* get host name */ - char tbuf[MAXHOSTNAMELEN]; + char tbuf[INET_MAXHOSTNAMELEN + 1]; DEBUGF(("inet_ctl(%ld): GETHOSTNAME\r\n", (long)desc->port)); if (len != 0) return ctl_error(EINVAL, rbuf, rsize); - if (IS_SOCKET_ERROR(sock_hostname(tbuf, MAXHOSTNAMELEN))) + /* gethostname requires len to be max(hostname) + 1 */ + if (IS_SOCKET_ERROR(sock_hostname(tbuf, INET_MAXHOSTNAMELEN + 1))) return ctl_error(sock_errno(), rbuf, rsize); return ctl_reply(INET_REP_OK, tbuf, strlen(tbuf), rbuf, rsize); } diff --git a/erts/emulator/drivers/common/zlib_drv.c b/erts/emulator/drivers/common/zlib_drv.c index 440ba956d8..e8afddb01b 100644 --- a/erts/emulator/drivers/common/zlib_drv.c +++ b/erts/emulator/drivers/common/zlib_drv.c @@ -44,30 +44,34 @@ #define INFLATE_INIT 8 #define INFLATE_INIT2 9 #define INFLATE_SETDICT 10 -#define INFLATE_SYNC 11 -#define INFLATE_RESET 12 -#define INFLATE_END 13 -#define INFLATE 14 +#define INFLATE_GETDICT 11 +#define INFLATE_SYNC 12 +#define INFLATE_RESET 13 +#define INFLATE_END 14 +#define INFLATE 15 -#define CRC32_0 15 -#define CRC32_1 16 -#define CRC32_2 17 +#define CRC32_0 16 +#define CRC32_1 17 +#define CRC32_2 18 -#define SET_BUFSZ 18 -#define GET_BUFSZ 19 -#define GET_QSIZE 20 +#define SET_BUFSZ 19 +#define GET_BUFSZ 20 +#define GET_QSIZE 21 -#define ADLER32_1 21 -#define ADLER32_2 22 +#define ADLER32_1 22 +#define ADLER32_2 23 -#define CRC32_COMBINE 23 -#define ADLER32_COMBINE 24 +#define CRC32_COMBINE 24 +#define ADLER32_COMBINE 25 -#define INFLATE_CHUNK 25 +#define INFLATE_CHUNK 26 #define DEFAULT_BUFSZ 4000 +/* According to zlib documentation, it can never exceed this */ +#define INFL_DICT_SZ 32768 + /* This flag is used in the same places, where zlib return codes * (Z_OK, Z_STREAM_END, Z_NEED_DICT) are. So, we need to set it to * relatively large value to avoid possible value clashes in future. @@ -248,6 +252,23 @@ static int zlib_output(ZLibData* d) return zlib_output_init(d); } +static int zlib_inflate_get_dictionary(ZLibData* d) +{ +#ifdef HAVE_ZLIB_INFLATEGETDICTIONARY + ErlDrvBinary* dbin = driver_alloc_binary(INFL_DICT_SZ); + uInt dlen = 0; + int res = inflateGetDictionary(&d->s, (unsigned char*)dbin->orig_bytes, &dlen); + if ((res == Z_OK) && (driver_output_binary(d->port, NULL, 0, dbin, 0, dlen) < 0)) { + res = Z_ERRNO; + } + driver_free_binary(dbin); + return res; +#else + abort(); /* never called, just to silence 'unresolved symbol' + for non-optimizing compiler */ +#endif +} + static int zlib_inflate(ZLibData* d, int flush) { int res = Z_OK; @@ -430,10 +451,35 @@ static void zlib_free(void* data, void* addr) driver_free(addr); } +#if defined(__APPLE__) && defined(__MACH__) && defined(HAVE_ZLIB_INFLATEGETDICTIONARY) + +/* Work around broken build system with runtime version test */ +static int have_inflateGetDictionary; + +static int zlib_init() +{ + unsigned int v[4] = {0, 0, 0, 0}; + unsigned hexver; + + sscanf(zlibVersion(), "%u.%u.%u.%u", &v[0], &v[1], &v[2], &v[3]); + + hexver = (v[0] << (8*3)) | (v[1] << (8*2)) | (v[2] << (8)) | v[3]; + + have_inflateGetDictionary = (hexver >= 0x1020701); /* 1.2.7.1 */ + + return 0; +} +#else /* trust configure got it right */ +# ifdef HAVE_ZLIB_INFLATEGETDICTIONARY +# define have_inflateGetDictionary 1 +# else +# define have_inflateGetDictionary 0 +# endif static int zlib_init() { return 0; } +#endif static ErlDrvData zlib_start(ErlDrvPort port, char* buf) { @@ -586,6 +632,16 @@ static ErlDrvSSizeT zlib_ctl(ErlDrvData drv_data, unsigned int command, char *bu res = inflateSetDictionary(&d->s, (unsigned char*)buf, len); return zlib_return(res, rbuf, rlen); + case INFLATE_GETDICT: + if (have_inflateGetDictionary) { + if (d->state != ST_INFLATE) goto badarg; + res = zlib_inflate_get_dictionary(d); + } else { + errno = ENOTSUP; + res = Z_ERRNO; + } + return zlib_return(res, rbuf, rlen); + case INFLATE_SYNC: if (d->state != ST_INFLATE) goto badarg; if (len != 0) goto badarg; diff --git a/erts/emulator/drivers/unix/sig_drv.c b/erts/emulator/drivers/unix/sig_drv.c index 68ad6b9156..18f2038431 100644 --- a/erts/emulator/drivers/unix/sig_drv.c +++ b/erts/emulator/drivers/unix/sig_drv.c @@ -18,7 +18,7 @@ * %CopyrightEnd% */ -/* Purpose: demonstrate how to include interupt handlers in erlang */ +/* Purpose: demonstrate how to include interrupt handlers in erlang */ #ifdef HAVE_CONFIG_H # include "config.h" |