diff options
Diffstat (limited to 'intl/localealias.c')
| -rw-r--r-- | intl/localealias.c | 123 |
1 files changed, 73 insertions, 50 deletions
diff --git a/intl/localealias.c b/intl/localealias.c index 2eaf8813e..26122a011 100644 --- a/intl/localealias.c +++ b/intl/localealias.c @@ -1,5 +1,5 @@ /* Handle aliases for locale names. - Copyright (C) 1995-1999, 2000-2001, 2003 Free Software Foundation, Inc. + Copyright (C) 1995-1999, 2000-2001, 2003, 2005 Free Software Foundation, Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published @@ -13,7 +13,7 @@ You should have received a copy of the GNU Library General Public License along with this program; if not, write to the Free Software - Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ /* Tell glibc's <string.h> to provide a prototype for mempcpy(). @@ -81,11 +81,13 @@ 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 @@ -120,6 +122,9 @@ __libc_lock_define_initialized (static, lock); #endif +__libc_lock_define_initialized (static, lock) + + struct alias_map { const char *alias; @@ -155,9 +160,7 @@ _nl_expand_alias (const char *name) 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; @@ -204,9 +207,7 @@ _nl_expand_alias (const char *name) } while (added != 0); -#ifdef _LIBC __libc_lock_unlock (lock); -#endif return result; } @@ -230,7 +231,13 @@ read_alias_file (const char *fname, int 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 (relocate (full_fname), "rc"); +#else fp = fopen (relocate (full_fname), "r"); +#endif freea (full_fname); if (fp == NULL) return 0; @@ -254,11 +261,15 @@ read_alias_file (const char *fname, int fname_len) char *alias; char *value; char *cp; + int complete_line; if (FGETS (buf, sizeof buf, fp) == NULL) /* EOF reached. */ break; + /* Determine whether the line is complete. */ + complete_line = strchr (buf, '\n') != NULL; + cp = buf; /* Ignore leading white space. */ while (isspace ((unsigned char) cp[0])) @@ -280,9 +291,6 @@ read_alias_file (const char *fname, int 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; @@ -298,60 +306,75 @@ read_alias_file (const char *fname, int fname_len) else if (cp[0] != '\0') *cp++ = '\0'; - if (nmap >= maxmap) - if (__builtin_expect (extend_alias_table (), 0)) - return added; +#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) - return added; - - if (__builtin_expect (string_space != new_pool, 0)) - { - 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 = 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 = memcpy (&string_space[string_space_act], + value, value_len); + string_space_act += value_len; - ++nmap; - ++added; + ++nmap; + ++added; + } } } /* Possibly not the whole line fits into the buffer. Ignore the rest of the line. */ - while (strchr (buf, '\n') == NULL) - if (FGETS (buf, sizeof buf, fp) == NULL) - /* Make sure the inner loop will be left. The outer loop - will exit at the `feof' test. */ - break; + if (! complete_line) + do + if (FGETS (buf, sizeof buf, fp) == NULL) + /* Make sure the inner loop will be left. The outer loop + will exit at the `feof' test. */ + break; + while (strchr (buf, '\n') == NULL); } + out: /* Should we test for ferror()? I think we have to silently ignore errors. --drepper */ fclose (fp); |