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authorSverker Eriksson <[email protected]>2013-10-16 18:15:47 +0200
committerSverker Eriksson <[email protected]>2013-10-16 18:16:26 +0200
commit717cf073d2c4ccbb508a272486ec83369ed1f043 (patch)
tree86d6321d6ab6e906297b602e151630277b78997c /erts/emulator
parentb95da0ad6236be268d63fd960934c787971e1fd0 (diff)
parentb6b0b73ecec7facefb3b9c5a7ef663599cfee4aa (diff)
downloadotp-717cf073d2c4ccbb508a272486ec83369ed1f043.tar.gz
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Merge branch 'sverk/load-nif-unicode'
OTP-11408 * sverk/load-nif-unicode: erts: Fix bug in atom to filename conversions Fix open_ddll for win erts, crypto: Support NIF library with unicode filename on windows erts: Factor out erts_convert_filename_to_wchar() erts: Fix compiler warning erts: Fix loading of NIF library with unicode in path erts: Remove unused constant DRIVER_TAB_SIZE
Diffstat (limited to 'erts/emulator')
-rw-r--r--erts/emulator/beam/erl_nif.c24
-rw-r--r--erts/emulator/beam/erl_unicode.c142
-rwxr-xr-xerts/emulator/beam/global.h12
-rw-r--r--erts/emulator/beam/utils.c22
-rw-r--r--erts/emulator/sys/win32/erl_win32_sys_ddll.c30
-rwxr-xr-xerts/emulator/utils/make_driver_tab24
6 files changed, 147 insertions, 107 deletions
diff --git a/erts/emulator/beam/erl_nif.c b/erts/emulator/beam/erl_nif.c
index 673012a9af..e87959f0ab 100644
--- a/erts/emulator/beam/erl_nif.c
+++ b/erts/emulator/beam/erl_nif.c
@@ -1568,9 +1568,10 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
void* init_func = NULL;
ErlNifEntry* entry = NULL;
ErlNifEnv env;
- int len, i, err;
+ int i, err, encoding;
Module* mod;
Eterm mod_atom;
+ const Atom* mod_atomp;
Eterm f_atom;
BeamInstr* caller;
ErtsSysDdllError errdesc = ERTS_SYS_DDLL_ERROR_INIT;
@@ -1578,20 +1579,18 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
int veto;
struct erl_module_nif* lib = NULL;
int reload_warning = 0;
- char tmp_buf[255];
- len = list_length(BIF_ARG_1);
- if (len < 0) {
- BIF_ERROR(BIF_P, BADARG);
+ encoding = erts_get_native_filename_encoding();
+ if (encoding == ERL_FILENAME_WIN_WCHAR) {
+ /* Do not convert the lib name to utf-16le yet, do that in win32 specific code */
+ /* since lib_name is used in error messages */
+ encoding = ERL_FILENAME_UTF8;
}
-
- lib_name = (char *) erts_alloc(ERTS_ALC_T_TMP, len + 1);
-
- if (intlist_to_buf(BIF_ARG_1, lib_name, len) != len) {
- erts_free(ERTS_ALC_T_TMP, lib_name);
+ lib_name = erts_convert_filename_to_encoding(BIF_ARG_1, NULL, 0,
+ ERTS_ALC_T_TMP, 1, 0, encoding, NULL);
+ if (!lib_name) {
BIF_ERROR(BIF_P, BADARG);
}
- lib_name[len] = '\0';
if (!erts_try_seize_code_write_permission(BIF_P)) {
erts_free(ERTS_ALC_T_TMP, lib_name);
@@ -1615,7 +1614,8 @@ BIF_RETTYPE load_nif_2(BIF_ALIST_2)
mod=erts_get_module(mod_atom, erts_active_code_ix());
ASSERT(mod != NULL);
- init_func = erts_static_nif_get_nif_init(erts_basename(lib_name,tmp_buf));
+ mod_atomp = atom_tab(atom_val(mod_atom));
+ init_func = erts_static_nif_get_nif_init((char*)mod_atomp->name, mod_atomp->len);
if (init_func != NULL)
handle = init_func;
diff --git a/erts/emulator/beam/erl_unicode.c b/erts/emulator/beam/erl_unicode.c
index a363051062..7e3c6681d9 100644
--- a/erts/emulator/beam/erl_unicode.c
+++ b/erts/emulator/beam/erl_unicode.c
@@ -2026,11 +2026,11 @@ char *erts_convert_filename_to_encoding(Eterm name, char *statbuf, size_t statbu
} else if (is_binary(name)) {
byte *temp_alloc = NULL;
byte *bytes;
- byte *err_pos;
- Uint size,num_chars;
+ Uint size;
size = binary_size(name);
bytes = erts_get_aligned_binary_bytes(name, &temp_alloc);
+
if (encoding != ERL_FILENAME_WIN_WCHAR) {
/*Add 0 termination only*/
if (used)
@@ -2042,36 +2042,11 @@ char *erts_convert_filename_to_encoding(Eterm name, char *statbuf, size_t statbu
}
memcpy(name_buf,bytes,size);
name_buf[size]=0;
- } else if (erts_analyze_utf8(bytes,size,&err_pos,&num_chars,NULL) != ERTS_UTF8_OK ||
- erts_get_user_requested_filename_encoding() == ERL_FILENAME_LATIN1) {
- byte *p;
- /* What to do now? Maybe latin1, so just take byte for byte instead */
- if (used)
- *used = (Sint) (size+1)*2;
- if ((size+1)*2 > statbuf_size) {
- name_buf = (char *) erts_alloc(alloc_type, (size+1)*2);
- } else {
- name_buf = statbuf;
- }
- p = (byte *) name_buf;
- while (size--) {
- *p++ = *bytes++;
- *p++ = 0;
- }
- *p++ = 0;
- *p++ = 0;
- } else { /* WIN_WCHAR and valid UTF8 */
- if (used)
- *used = (Sint) (num_chars+1)*2;
- if ((num_chars+1)*2 > statbuf_size) {
- name_buf = (char *) erts_alloc(alloc_type, (num_chars+1)*2);
- } else {
- name_buf = statbuf;
- }
- erts_copy_utf8_to_utf16_little((byte *) name_buf, bytes, num_chars);
- name_buf[num_chars*2] = 0;
- name_buf[num_chars*2+1] = 0;
- }
+ } else {
+ name_buf = erts_convert_filename_to_wchar(bytes, size,
+ statbuf, statbuf_size,
+ alloc_type, used, 0);
+ }
erts_free_aligned_binary_bytes(temp_alloc);
} else {
return NULL;
@@ -2079,6 +2054,50 @@ char *erts_convert_filename_to_encoding(Eterm name, char *statbuf, size_t statbu
return name_buf;
}
+char* erts_convert_filename_to_wchar(byte* bytes, Uint size,
+ char *statbuf, size_t statbuf_size,
+ ErtsAlcType_t alloc_type, Sint* used,
+ Uint extra_wchars)
+{
+ byte *err_pos;
+ Uint num_chars;
+ char* name_buf = NULL;
+ Sint need;
+ char *p;
+
+ if (erts_analyze_utf8(bytes,size,&err_pos,&num_chars,NULL) != ERTS_UTF8_OK ||
+ erts_get_user_requested_filename_encoding() == ERL_FILENAME_LATIN1) {
+
+ /* What to do now? Maybe latin1, so just take byte for byte instead */
+ need = (Sint) (size + extra_wchars + 1) * 2;
+ if (need > statbuf_size) {
+ name_buf = (char *) erts_alloc(alloc_type, need);
+ } else {
+ name_buf = statbuf;
+ }
+ p = name_buf;
+ while (size--) {
+ *p++ = *bytes++;
+ *p++ = 0;
+ }
+ } else { /* WIN_WCHAR and valid UTF8 */
+ need = (Sint) (num_chars + extra_wchars + 1) * 2;
+ if (need > statbuf_size) {
+ name_buf = (char *) erts_alloc(alloc_type, need);
+ } else {
+ name_buf = statbuf;
+ }
+ erts_copy_utf8_to_utf16_little((byte *) name_buf, bytes, num_chars);
+ p = name_buf + num_chars*2;
+ }
+ *p++ = 0;
+ *p++ = 0;
+ if (used)
+ *used = p - name_buf;
+ return name_buf;
+}
+
+
static int filename_len_16bit(byte *str)
{
byte *p = str;
@@ -2158,16 +2177,31 @@ Sint erts_native_filename_need(Eterm ioterm, int encoding)
ap = atom_tab(atom_val(ioterm));
switch (encoding) {
case ERL_FILENAME_LATIN1:
- need = ap->len;
+ need = ap->latin1_chars; /* May be -1 */
break;
case ERL_FILENAME_UTF8_MAC:
case ERL_FILENAME_UTF8:
- for (i = 0; i < ap->len; i++) {
- need += (ap->name[i] >= 0x80) ? 2 : 1;
- }
+ need = ap->len;
break;
case ERL_FILENAME_WIN_WCHAR:
- need = 2*(ap->len);
+ if (ap->latin1_chars >= 0) {
+ need = 2* ap->latin1_chars;
+ }
+ else {
+ for (i = 0; i < ap->len; ) {
+ if (ap->name[i] < 0x80) {
+ i++;
+ } else if (ap->name[i] < 0xE0) {
+ i += 2;
+ } else if (ap->name[i] < 0xF0) {
+ i += 3;
+ } else {
+ need = -1;
+ break;
+ }
+ need += 2;
+ }
+ }
break;
default:
need = -1;
@@ -2297,26 +2331,36 @@ void erts_native_filename_put(Eterm ioterm, int encoding, byte *p)
switch (encoding) {
case ERL_FILENAME_LATIN1:
for (i = 0; i < ap->len; i++) {
- *p++ = ap->name[i];
- }
- break;
- case ERL_FILENAME_UTF8_MAC:
- case ERL_FILENAME_UTF8:
- for (i = 0; i < ap->len; i++) {
- if(ap->name[i] < 0x80) {
+ if (ap->name[i] < 0x80) {
*p++ = ap->name[i];
} else {
- *p++ = (((ap->name[i]) >> 6) | ((byte) 0xC0));
- *p++ = (((ap->name[i]) & 0x3F) | ((byte) 0x80));
+ ASSERT(ap->name[i] < 0xC4);
+ *p++ = ((ap->name[i] & 3) << 6) | (ap->name[i+1] & 0x3F);
+ i++;
}
}
break;
+ case ERL_FILENAME_UTF8_MAC:
+ case ERL_FILENAME_UTF8:
+ sys_memcpy(p, ap->name, ap->len);
+ break;
case ERL_FILENAME_WIN_WCHAR:
for (i = 0; i < ap->len; i++) {
/* Little endian */
- *p++ = ap->name[i];
- *p++ = 0;
- }
+ if (ap->name[i] < 0x80) {
+ *p++ = ap->name[i];
+ *p++ = 0;
+ } else if (ap->name[i] < 0xE0) {
+ *p++ = ((ap->name[i] & 3) << 6) | (ap->name[i+1] & 0x3F);
+ *p++ = ((ap->name[i] & 0x1C) >> 2);
+ i++;
+ } else {
+ ASSERT(ap->name[i] < 0xF0);
+ *p++ = ((ap->name[i+1] & 3) << 6) | (ap->name[i+2] & 0x3C);
+ *p++ = ((ap->name[i] & 0xF) << 4) | ((ap->name[i+1] & 0x3C) >> 2);
+ i += 2;
+ }
+ }
break;
default:
ASSERT(0);
diff --git a/erts/emulator/beam/global.h b/erts/emulator/beam/global.h
index 1a842918ff..c1fda3f96c 100755
--- a/erts/emulator/beam/global.h
+++ b/erts/emulator/beam/global.h
@@ -186,11 +186,6 @@ extern void erts_ddll_remove_monitor(Process *p,
extern Eterm erts_ddll_monitor_driver(Process *p,
Eterm description,
ErtsProcLocks plocks);
-/*
- * Max no. of drivers (linked in and dynamically loaded). Each table
- * entry uses 4 bytes.
- */
-#define DRIVER_TAB_SIZE 32
/*
** Just like the driver binary but with initial flags
@@ -854,7 +849,7 @@ void erts_lcnt_enable_io_lock_count(int enable);
/* driver_tab.c */
typedef void *(*ErtsStaticNifInitFPtr)(void);
-ErtsStaticNifInitFPtr erts_static_nif_get_nif_init(const char *name);
+ErtsStaticNifInitFPtr erts_static_nif_get_nif_init(const char *name, int len);
int erts_is_static_nif(void *handle);
void erts_init_static_drivers(void);
@@ -863,7 +858,6 @@ void erl_drv_thr_init(void);
/* utils.c */
void erts_cleanup_offheap(ErlOffHeap *offheap);
-const char *erts_basename(const char* path, char* buff);
Uint64 erts_timestamp_millis(void);
@@ -924,6 +918,10 @@ char *erts_convert_filename_to_encoding(Eterm name, char *statbuf,
int allow_empty, int allow_atom,
int encoding,
Sint *used /* out */);
+char* erts_convert_filename_to_wchar(byte* bytes, Uint size,
+ char *statbuf, size_t statbuf_size,
+ ErtsAlcType_t alloc_type, Sint* used,
+ Uint extra_wchars);
Eterm erts_convert_native_to_filename(Process *p, byte *bytes);
Eterm erts_utf8_to_list(Process *p, Uint num, byte *bytes, Uint sz, Uint left,
Uint *num_built, Uint *num_eaten, Eterm tail);
diff --git a/erts/emulator/beam/utils.c b/erts/emulator/beam/utils.c
index efacee3ea5..605a625282 100644
--- a/erts/emulator/beam/utils.c
+++ b/erts/emulator/beam/utils.c
@@ -4019,28 +4019,6 @@ erts_smp_ensure_later_interval_acqb(erts_interval_t *icp, Uint64 ic)
#endif
}
-const char *erts_basename(const char* path, char* buff) {
- /* This function is not compliant with bash basename. Edge cases like "//"
- and "/path//" do not work properly.
- */
- int i;
- int len = strlen(path);
- const char *basename = path;
- for (i = 0; path[i] != '\0'; i++) {
- if (path[i] == '/') {
- if (path[i+1] == '\0') {
- memcpy(buff,basename,len - (basename-path));
- buff[len - (basename-path)-1] = '\0';
- basename = buff;
- break;
- } else { basename = path+i;}
- }
- }
- if (basename == path)
- return path;
- return basename+1;
-}
-
/*
* A millisecond timestamp without time correction where there's no hrtime
* - for tracing on "long" things...
diff --git a/erts/emulator/sys/win32/erl_win32_sys_ddll.c b/erts/emulator/sys/win32/erl_win32_sys_ddll.c
index 4c8d83ab16..2d3f073cc2 100644
--- a/erts/emulator/sys/win32/erl_win32_sys_ddll.c
+++ b/erts/emulator/sys/win32/erl_win32_sys_ddll.c
@@ -38,7 +38,7 @@
#include "erl_nif.h"
#define EXT_LEN 4
-#define FILE_EXT ".dll"
+#define FILE_EXT_WCHAR L".dll"
static DWORD tls_index = 0;
static TWinDynDriverCallbacks wddc;
@@ -57,11 +57,15 @@ void erl_sys_ddll_init(void) {
/*
* Open a shared object
+ * Expecting 'full_name' as an UTF-8 string.
*/
int erts_sys_ddll_open2(const char *full_name, void **handle, ErtsSysDdllError* err)
{
+ HINSTANCE hinstance;
int len;
- char dlname[MAXPATHLEN + 1];
+ wchar_t* wcp;
+ Sint used;
+ int code;
if ((len = sys_strlen(full_name)) >= MAXPATHLEN - EXT_LEN) {
if (err != NULL) {
@@ -69,10 +73,26 @@ int erts_sys_ddll_open2(const char *full_name, void **handle, ErtsSysDdllError*
}
return ERL_DE_LOAD_ERROR_NAME_TO_LONG;
}
- sys_strcpy(dlname, full_name);
- sys_strcpy(dlname+len, FILE_EXT);
- return erts_sys_ddll_open_noext(dlname, handle, err);
+
+ wcp = (wchar_t*)erts_convert_filename_to_wchar((byte*)full_name, len,
+ NULL, 0,
+ ERTS_ALC_T_TMP, &used, EXT_LEN);
+ wcscpy(&wcp[used/2 - 1], FILE_EXT_WCHAR);
+
+ if ((hinstance = LoadLibraryW(wcp)) == NULL) {
+ code = ERL_DE_DYNAMIC_ERROR_OFFSET - GetLastError();
+ if (err != NULL) {
+ err->str = erts_sys_ddll_error(code);
+ }
+ }
+ else {
+ code = ERL_DE_NO_ERROR;
+ *handle = (void *) hinstance;
+ }
+ erts_free(ERTS_ALC_T_TMP, wcp);
+ return code;
}
+
int erts_sys_ddll_open_noext(char *dlname, void **handle, ErtsSysDdllError* err)
{
HINSTANCE hinstance;
diff --git a/erts/emulator/utils/make_driver_tab b/erts/emulator/utils/make_driver_tab
index 3eedef21a7..5c68143d58 100755
--- a/erts/emulator/utils/make_driver_tab
+++ b/erts/emulator/utils/make_driver_tab
@@ -2,7 +2,7 @@
#
# %CopyrightBegin%
#
-# Copyright Ericsson AB 1999-2009. All Rights Reserved.
+# Copyright Ericsson AB 1999-2013. 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
@@ -88,7 +88,7 @@ foreach (@static_drivers) {
}
# The array itself
-print "\nErlDrvEntry *driver_tab[DRIVER_TAB_SIZE] =\n{\n";
+print "\nErlDrvEntry *driver_tab[] =\n{\n";
foreach (@emu_drivers) {
print " &${_}driver_entry,\n";
@@ -126,7 +126,7 @@ foreach (@nifs) {
}
# The array itself
-print "static ErtsStaticNifEntry static_nif_tab[DRIVER_TAB_SIZE] =\n{\n";
+print "static ErtsStaticNifEntry static_nif_tab[] =\n{\n";
foreach (@nifs) {
my $d = ${_};
@@ -137,19 +137,19 @@ foreach (@nifs) {
print " {NULL,NULL}\n};\n";
print <<EOF;
-ErtsStaticNifInitFPtr erts_static_nif_get_nif_init(const char *name) {
- int i;
- for (i = 0; static_nif_tab[i].nif_name != NULL; i++)
- if (strcmp(name,static_nif_tab[i].nif_name) == 0)
- return static_nif_tab[i].nif_init;
+ErtsStaticNifInitFPtr erts_static_nif_get_nif_init(const char *name, int len) {
+ ErtsStaticNifEntry* p;
+ for (p = static_nif_tab; p->nif_name != NULL; p++)
+ if (strncmp(p->nif_name, name, len) == 0 && p->nif_name[len] == 0)
+ return p->nif_init;
return NULL;
}
int erts_is_static_nif(void *handle) {
- int i;
- for (i = 0; static_nif_tab[i].nif_name != NULL; i++)
- if (((void*)static_nif_tab[i].nif_init) == handle)
- return 1;
+ ErtsStaticNifEntry* p;
+ for (p = static_nif_tab; p->nif_name != NULL; p++)
+ if (((void*)p->nif_init) == handle)
+ return 1;
return 0;
}