diff options
Diffstat (limited to 'intl/localealias.c')
| -rw-r--r-- | intl/localealias.c | 186 |
1 files changed, 105 insertions, 81 deletions
diff --git a/intl/localealias.c b/intl/localealias.c index 1d3f8ebabf..ff13ddeccd 100644 --- a/intl/localealias.c +++ b/intl/localealias.c @@ -1,20 +1,18 @@ /* Handle aliases for locale names. Copyright (C) 1995-2014 Free Software Foundation, Inc. - This file is part of the GNU C Library. - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. - The GNU C Library is distributed in the hope that it will be useful, + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Lesser General Public License for more details. - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Tell glibc's <string.h> to provide a prototype for mempcpy(). This must come before <config.h> because <config.h> may include @@ -39,14 +37,19 @@ # define alloca __builtin_alloca # define HAVE_ALLOCA 1 #else -# if defined HAVE_ALLOCA_H || defined _LIBC -# include <alloca.h> +# ifdef _MSC_VER +# include <malloc.h> +# define alloca _alloca # else -# ifdef _AIX - #pragma alloca +# if defined HAVE_ALLOCA_H || defined _LIBC +# include <alloca.h> # else -# ifndef alloca +# ifdef _AIX + #pragma alloca +# else +# ifndef alloca char *alloca (); +# endif # endif # endif # endif @@ -57,6 +60,12 @@ char *alloca (); #include "gettextP.h" +#ifdef ENABLE_RELOCATABLE +# include "relocatable.h" +#else +# define relocate(pathname) (pathname) +#endif + /* @@ end of prolog @@ */ #ifdef _LIBC @@ -70,11 +79,13 @@ char *alloca (); # endif # define HAVE_MEMPCPY 1 # define HAVE___FSETLOCKING 1 +#endif -/* We need locking here since we can be called from different places. */ +/* Handle multi-threaded applications. */ +#ifdef _LIBC # include <bits/libc-lock.h> - -__libc_lock_define_initialized (static, lock); +#else +# include "lock.h" #endif #ifndef internal_function @@ -99,16 +110,19 @@ __libc_lock_define_initialized (static, lock); # define freea(p) free (p) #endif -#if defined _LIBC_REENTRANT || defined HAVE_FGETS_UNLOCKED +#if defined _LIBC_REENTRANT || defined HAVE_DECL_FGETS_UNLOCKED # undef fgets # define fgets(buf, len, s) fgets_unlocked (buf, len, s) #endif -#if defined _LIBC_REENTRANT || defined HAVE_FEOF_UNLOCKED +#if defined _LIBC_REENTRANT || defined HAVE_DECL_FEOF_UNLOCKED # undef feof # define feof(s) feof_unlocked (s) #endif +__libc_lock_define_initialized (static, lock) + + struct alias_map { const char *alias; @@ -129,25 +143,25 @@ static size_t maxmap; /* Prototypes for local functions. */ -static size_t read_alias_file PARAMS ((const char *fname, int fname_len)) +static size_t read_alias_file (const char *fname, int fname_len) internal_function; -static int extend_alias_table PARAMS ((void)); -static int alias_compare PARAMS ((const struct alias_map *map1, - const struct alias_map *map2)); +static int extend_alias_table (void); +static int alias_compare (const struct alias_map *map1, + const struct alias_map *map2); const char * -_nl_expand_alias (name) - const char *name; +_nl_expand_alias (const char *name) { - static const char *locale_alias_path = LOCALE_ALIAS_PATH; + static const char *locale_alias_path; struct alias_map *retval; const char *result = NULL; size_t added; -#ifdef _LIBC __libc_lock_lock (lock); -#endif + + if (locale_alias_path == NULL) + locale_alias_path = LOCALE_ALIAS_PATH; do { @@ -158,8 +172,8 @@ _nl_expand_alias (name) if (nmap > 0) retval = (struct alias_map *) bsearch (&item, map, nmap, sizeof (struct alias_map), - (int (*) PARAMS ((const void *, - const void *)) + (int (*) (const void *, + const void *) ) alias_compare); else retval = NULL; @@ -177,11 +191,12 @@ _nl_expand_alias (name) { const char *start; - while (locale_alias_path[0] == ':') + while (locale_alias_path[0] == PATH_SEPARATOR) ++locale_alias_path; start = locale_alias_path; - while (locale_alias_path[0] != '\0' && locale_alias_path[0] != ':') + while (locale_alias_path[0] != '\0' + && locale_alias_path[0] != PATH_SEPARATOR) ++locale_alias_path; if (start < locale_alias_path) @@ -190,9 +205,7 @@ _nl_expand_alias (name) } while (added != 0); -#ifdef _LIBC __libc_lock_unlock (lock); -#endif return result; } @@ -200,9 +213,7 @@ _nl_expand_alias (name) static size_t internal_function -read_alias_file (fname, fname_len) - const char *fname; - int fname_len; +read_alias_file (const char *fname, int fname_len) { FILE *fp; char *full_fname; @@ -218,9 +229,13 @@ read_alias_file (fname, fname_len) memcpy (&full_fname[fname_len], aliasfile, sizeof aliasfile); #endif +#ifdef _LIBC /* Note the file is opened with cancellation in the I/O functions disabled. */ - fp = fopen (full_fname, "rce"); + fp = fopen (relocate (full_fname), "rce"); +#else + fp = fopen (relocate (full_fname), "r"); +#endif freea (full_fname); if (fp == NULL) return 0; @@ -274,9 +289,6 @@ read_alias_file (fname, fname_len) if (cp[0] != '\0') { - size_t alias_len; - size_t value_len; - value = cp++; while (cp[0] != '\0' && !isspace ((unsigned char) cp[0])) ++cp; @@ -292,48 +304,62 @@ read_alias_file (fname, fname_len) else if (cp[0] != '\0') *cp++ = '\0'; - if (nmap >= maxmap) - if (__glibc_unlikely (extend_alias_table ())) - goto out; +#ifdef IN_LIBGLOCALE + /* glibc's locale.alias contains entries for ja_JP and ko_KR + that make it impossible to use a Japanese or Korean UTF-8 + locale under the name "ja_JP" or "ko_KR". Ignore these + entries. */ + if (strchr (alias, '_') == NULL) +#endif + { + size_t alias_len; + size_t value_len; - alias_len = strlen (alias) + 1; - value_len = strlen (value) + 1; + if (nmap >= maxmap) + if (__builtin_expect (extend_alias_table (), 0)) + goto out; - if (string_space_act + alias_len + value_len > string_space_max) - { - /* Increase size of memory pool. */ - size_t new_size = (string_space_max - + (alias_len + value_len > 1024 - ? alias_len + value_len : 1024)); - char *new_pool = (char *) realloc (string_space, new_size); - if (new_pool == NULL) - goto out; - - if (__glibc_unlikely (string_space != new_pool)) - { - size_t i; + alias_len = strlen (alias) + 1; + value_len = strlen (value) + 1; - for (i = 0; i < nmap; i++) + if (string_space_act + alias_len + value_len > string_space_max) + { + /* Increase size of memory pool. */ + size_t new_size = (string_space_max + + (alias_len + value_len > 1024 + ? alias_len + value_len : 1024)); + char *new_pool = (char *) realloc (string_space, new_size); + if (new_pool == NULL) + goto out; + + if (__builtin_expect (string_space != new_pool, 0)) { - map[i].alias += new_pool - string_space; - map[i].value += new_pool - string_space; + size_t i; + + for (i = 0; i < nmap; i++) + { + map[i].alias += new_pool - string_space; + map[i].value += new_pool - string_space; + } } - } - string_space = new_pool; - string_space_max = new_size; - } + string_space = new_pool; + string_space_max = new_size; + } - map[nmap].alias = memcpy (&string_space[string_space_act], - alias, alias_len); - string_space_act += alias_len; + map[nmap].alias = + (const char *) memcpy (&string_space[string_space_act], + alias, alias_len); + string_space_act += alias_len; - map[nmap].value = memcpy (&string_space[string_space_act], - value, value_len); - string_space_act += value_len; + map[nmap].value = + (const char *) memcpy (&string_space[string_space_act], + value, value_len); + string_space_act += value_len; - ++nmap; - ++added; + ++nmap; + ++added; + } } } @@ -348,14 +374,14 @@ read_alias_file (fname, fname_len) while (strchr (buf, '\n') == NULL); } -out: + out: /* Should we test for ferror()? I think we have to silently ignore errors. --drepper */ fclose (fp); if (added > 0) qsort (map, nmap, sizeof (struct alias_map), - (int (*) PARAMS ((const void *, const void *))) alias_compare); + (int (*) (const void *, const void *)) alias_compare); return added; } @@ -381,9 +407,7 @@ extend_alias_table (void) static int -alias_compare (map1, map2) - const struct alias_map *map1; - const struct alias_map *map2; +alias_compare (const struct alias_map *map1, const struct alias_map *map2) { #if defined _LIBC || defined HAVE_STRCASECMP return strcasecmp (map1->alias, map2->alias); |