diff options
Diffstat (limited to 'lib/localename.c')
| -rw-r--r-- | lib/localename.c | 344 |
1 files changed, 176 insertions, 168 deletions
diff --git a/lib/localename.c b/lib/localename.c index ea646c5..f8cf3f2 100644 --- a/lib/localename.c +++ b/lib/localename.c @@ -1,24 +1,22 @@ /* Determine name of the currently selected locale. - Copyright (C) 1995-2010 Free Software Foundation, Inc. + Copyright (C) 1995-2015 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 - by the Free Software Foundation; either version 2, 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. 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 - Library 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 Library General Public - License along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - USA. */ + 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/>. */ /* Written by Ulrich Drepper <drepper@gnu.org>, 1995. */ -/* Win32 code written by Tor Lillqvist <tml@iki.fi>. */ -/* MacOS X code written by Bruno Haible <bruno@clisp.org>. */ +/* Native Windows code written by Tor Lillqvist <tml@iki.fi>. */ +/* Mac OS X code written by Bruno Haible <bruno@clisp.org>. */ #include <config.h> @@ -36,7 +34,7 @@ #include <string.h> #if HAVE_USELOCALE -/* MacOS X 10.5 defines the locale_t type in <xlocale.h>. */ +/* Mac OS X 10.5 defines the locale_t type in <xlocale.h>. */ # if defined __APPLE__ && defined __MACH__ # include <xlocale.h> # endif @@ -44,6 +42,10 @@ # if !defined IN_LIBINTL # include "glthread/lock.h" # endif +# if defined __sun && HAVE_GETLOCALENAME_L +/* Solaris >= 12. */ +extern char * getlocalename_l(int, locale_t); +# endif #endif #if HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE @@ -56,12 +58,16 @@ #endif #if defined _WIN32 || defined __WIN32__ -# define WIN32_NATIVE +# define WINDOWS_NATIVE +# if !defined IN_LIBINTL +# include "glthread/lock.h" +# endif #endif -#if defined WIN32_NATIVE || defined __CYGWIN__ /* WIN32 or Cygwin */ +#if defined WINDOWS_NATIVE || defined __CYGWIN__ /* Native Windows or Cygwin */ # define WIN32_LEAN_AND_MEAN # include <windows.h> +# include <winnls.h> /* List of language codes, sorted by value: 0x01 LANG_ARABIC 0x02 LANG_BULGARIAN @@ -1126,15 +1132,18 @@ # ifndef LOCALE_SNAME # define LOCALE_SNAME 0x5c # endif +# ifndef LOCALE_NAME_MAX_LENGTH +# define LOCALE_NAME_MAX_LENGTH 85 +# endif #endif #if HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE -/* MacOS X 10.2 or newer */ +/* Mac OS X 10.2 or newer */ -/* Canonicalize a MacOS X locale name to a Unix locale name. +/* Canonicalize a Mac OS X locale name to a Unix locale name. NAME is a sufficiently large buffer. - On input, it contains the MacOS X locale name. + On input, it contains the Mac OS X locale name. On output, it contains the Unix locale name. */ # if !defined IN_LIBINTL static @@ -1147,9 +1156,9 @@ gl_locale_name_canonicalize (char *name) http://lists.apple.com/archives/carbon-dev/2005/Mar/msg00293.html */ /* Convert legacy (NeXTstep inherited) English names to Unix (ISO 639 and - ISO 3166) names. Prior to MacOS X 10.3, there is no API for doing this. + ISO 3166) names. Prior to Mac OS X 10.3, there is no API for doing this. Therefore we do it ourselves, using a table based on the results of the - MacOS X 10.3.8 function + Mac OS X 10.3.8 function CFLocaleCreateCanonicalLocaleIdentifierFromString(). */ typedef struct { const char legacy[21+1]; const char unixy[5+1]; } legacy_entry; @@ -1292,26 +1301,26 @@ gl_locale_name_canonicalize (char *name) typedef struct { const char langtag[7+1]; const char unixy[12+1]; } langtag_entry; static const langtag_entry langtag_table[] = { - /* MacOS X has "az-Arab", "az-Cyrl", "az-Latn". + /* Mac OS X has "az-Arab", "az-Cyrl", "az-Latn". The default script for az on Unix is Latin. */ { "az-Latn", "az" }, - /* MacOS X has "ga-dots". Does not yet exist on Unix. */ + /* Mac OS X has "ga-dots". Does not yet exist on Unix. */ { "ga-dots", "ga" }, - /* MacOS X has "kk-Cyrl". Does not yet exist on Unix. */ - /* MacOS X has "mn-Cyrl", "mn-Mong". + /* Mac OS X has "kk-Cyrl". Does not yet exist on Unix. */ + /* Mac OS X has "mn-Cyrl", "mn-Mong". The default script for mn on Unix is Cyrillic. */ { "mn-Cyrl", "mn" }, - /* MacOS X has "ms-Arab", "ms-Latn". + /* Mac OS X has "ms-Arab", "ms-Latn". The default script for ms on Unix is Latin. */ { "ms-Latn", "ms" }, - /* MacOS X has "tg-Cyrl". + /* Mac OS X has "tg-Cyrl". The default script for tg on Unix is Cyrillic. */ { "tg-Cyrl", "tg" }, - /* MacOS X has "tk-Cyrl". Does not yet exist on Unix. */ - /* MacOS X has "tt-Cyrl". + /* Mac OS X has "tk-Cyrl". Does not yet exist on Unix. */ + /* Mac OS X has "tt-Cyrl". The default script for tt on Unix is Cyrillic. */ { "tt-Cyrl", "tt" }, - /* MacOS X has "zh-Hans", "zh-Hant". + /* Mac OS X has "zh-Hans", "zh-Hant". Country codes are used to distinguish these on Unix. */ { "zh-Hans", "zh_CN" }, { "zh-Hant", "zh_TW" } @@ -1407,11 +1416,11 @@ gl_locale_name_canonicalize (char *name) #endif -#if defined WIN32_NATIVE || defined __CYGWIN__ /* WIN32 or Cygwin */ +#if defined WINDOWS_NATIVE || defined __CYGWIN__ /* Native Windows or Cygwin */ -/* Canonicalize a Win32 native locale name to a Unix locale name. +/* Canonicalize a Windows native locale name to a Unix locale name. NAME is a sufficiently large buffer. - On input, it contains the Win32 locale name. + On input, it contains the Windows locale name. On output, it contains the Unix locale name. */ # if !defined IN_LIBINTL static @@ -1467,9 +1476,9 @@ gl_locale_name_from_win32_LANGID (LANGID langid) } /* Internet Explorer has an LCID to RFC3066 name mapping stored in HKEY_CLASSES_ROOT\Mime\Database\Rfc1766. But we better don't use that - since IE's i18n subsystem is known to be inconsistent with the Win32 base - (e.g. they have different character conversion facilities that produce - different results). */ + since IE's i18n subsystem is known to be inconsistent with the native + Windows base (e.g. they have different character conversion facilities + that produce different results). */ /* Use our own table. */ { int primary, sub; @@ -2504,10 +2513,82 @@ gl_locale_name_from_win32_LCID (LCID lcid) return gl_locale_name_from_win32_LANGID (langid); } +# ifdef WINDOWS_NATIVE + +/* Two variables to interface between get_lcid and the EnumLocales + callback function below. */ +static LCID found_lcid; +static char lname[LC_MAX * (LOCALE_NAME_MAX_LENGTH + 1) + 1]; + +/* Callback function for EnumLocales. */ +static BOOL CALLBACK +enum_locales_fn (LPTSTR locale_num_str) +{ + char *endp; + char locval[2 * LOCALE_NAME_MAX_LENGTH + 1 + 1]; + LCID try_lcid = strtoul (locale_num_str, &endp, 16); + + if (GetLocaleInfo (try_lcid, LOCALE_SENGLANGUAGE, + locval, LOCALE_NAME_MAX_LENGTH)) + { + strcat (locval, "_"); + if (GetLocaleInfo (try_lcid, LOCALE_SENGCOUNTRY, + locval + strlen (locval), LOCALE_NAME_MAX_LENGTH)) + { + size_t locval_len = strlen (locval); + + if (strncmp (locval, lname, locval_len) == 0 + && (lname[locval_len] == '.' + || lname[locval_len] == '\0')) + { + found_lcid = try_lcid; + return FALSE; + } + } + } + return TRUE; +} + +/* This lock protects the get_lcid against multiple simultaneous calls. */ +gl_lock_define_initialized(static, get_lcid_lock) + +/* Return the Locale ID (LCID) number given the locale's name, a + string, in LOCALE_NAME. This works by enumerating all the locales + supported by the system, until we find one whose name matches + LOCALE_NAME. */ +static LCID +get_lcid (const char *locale_name) +{ + /* A simple cache. */ + static LCID last_lcid; + static char last_locale[1000]; + + /* Lock while looking for an LCID, to protect access to static + variables: last_lcid, last_locale, found_lcid, and lname. */ + gl_lock_lock (get_lcid_lock); + if (last_lcid > 0 && strcmp (locale_name, last_locale) == 0) + { + gl_lock_unlock (get_lcid_lock); + return last_lcid; + } + strncpy (lname, locale_name, sizeof (lname) - 1); + lname[sizeof (lname) - 1] = '\0'; + found_lcid = 0; + EnumSystemLocales (enum_locales_fn, LCID_SUPPORTED); + if (found_lcid > 0) + { + last_lcid = found_lcid; + strcpy (last_locale, locale_name); + } + gl_lock_unlock (get_lcid_lock); + return found_lcid; +} + +# endif #endif -#if HAVE_USELOCALE /* glibc or MacOS X */ +#if HAVE_USELOCALE /* glibc, Solaris >= 12 or Mac OS X */ /* Simple hash set of strings. We don't want to drag in lots of hash table code here. */ @@ -2517,7 +2598,7 @@ gl_locale_name_from_win32_LCID (LCID lcid) /* A hash function for NUL-terminated char* strings using the method described by Bruno Haible. See http://www.haible.de/bruno/hashfunc.html. */ -static size_t +static size_t _GL_ATTRIBUTE_PURE string_hash (const void *x) { const char *s = (const char *) x; @@ -2607,7 +2688,7 @@ gl_locale_name_thread_unsafe (int category, const char *categoryname) locale_t thread_locale = uselocale (NULL); if (thread_locale != LC_GLOBAL_LOCALE) { -# if __GLIBC__ >= 2 +# if __GLIBC__ >= 2 && !defined __UCLIBC__ /* Work around an incorrect definition of the _NL_LOCALE_NAME macro in glibc < 2.12. See <http://sourceware.org/bugzilla/show_bug.cgi?id=10968>. */ @@ -2618,133 +2699,39 @@ gl_locale_name_thread_unsafe (int category, const char *categoryname) nl_langinfo (_NL_LOCALE_NAME (category)). */ name = thread_locale->__names[category]; return name; -# endif -# if defined __APPLE__ && defined __MACH__ /* MacOS X */ - /* The locale name is found deep in an undocumented data structure. - Since it's stored in a buffer of size 32 and newlocale() rejects - locale names of length > 31, we can assume that it is NUL terminated - in this buffer. But we need to make a copy of the locale name, of - indefinite extent. */ - struct _xlocale_part1_v0 /* used in MacOS X 10.5 */ - { - int32_t __refcount; - void (*__free_extra)(void *); - __darwin_mbstate_t __mbs[10]; - int64_t __magic; - }; - struct _xlocale_part1_v1 /* used in MacOS X >= 10.6.0 */ - { - int32_t __refcount; - void (*__free_extra)(void *); - __darwin_mbstate_t __mbs[10]; - /*pthread_lock_t*/ int __lock; - int64_t __magic; - }; - struct _xlocale_part2 - { - int64_t __magic; - unsigned char __collate_load_error; - unsigned char __collate_substitute_nontrivial; - unsigned char _messages_using_locale; - unsigned char _monetary_using_locale; - unsigned char _numeric_using_locale; - unsigned char _time_using_locale; - unsigned char __mlocale_changed; - unsigned char __nlocale_changed; - unsigned char __numeric_fp_cvt; - struct __xlocale_st_collate *__lc_collate; - struct __xlocale_st_runelocale *__lc_ctype; - struct __xlocale_st_messages *__lc_messages; - struct __xlocale_st_monetary *__lc_monetary; - struct __xlocale_st_numeric *__lc_numeric; - struct _xlocale *__lc_numeric_loc; - struct __xlocale_st_time *__lc_time; - /* more */ - }; - struct __xlocale_st_collate - { - int32_t __refcount; - void (*__free_extra)(void *); - char __encoding[32]; - /* more */ - }; - struct __xlocale_st_runelocale - { - int32_t __refcount; - void (*__free_extra)(void *); - char __ctype_encoding[32]; - /* more */ - }; - struct __xlocale_st_messages - { - int32_t __refcount; - void (*__free_extra)(void *); - char *_messages_locale_buf; - /* more */ - }; - struct __xlocale_st_monetary - { - int32_t __refcount; - void (*__free_extra)(void *); - char *_monetary_locale_buf; - /* more */ - }; - struct __xlocale_st_numeric { - int32_t __refcount; - void (*__free_extra)(void *); - char *_numeric_locale_buf; - /* more */ - }; - struct __xlocale_st_time { - int32_t __refcount; - void (*__free_extra)(void *); - char *_time_locale_buf; - /* more */ - }; - struct _xlocale_part2 *tlp; - if (((struct _xlocale_part1_v0 *) thread_locale)->__magic - == 0x786C6F63616C6530LL) - /* MacOS X 10.5 */ - tlp = - (struct _xlocale_part2 *) - &((struct _xlocale_part1_v0 *) thread_locale)->__magic; - else if (((struct _xlocale_part1_v1 *) thread_locale)->__magic - == 0x786C6F63616C6530LL) - /* MacOS X >= 10.6.0 */ - tlp = - (struct _xlocale_part2 *) - &((struct _xlocale_part1_v1 *) thread_locale)->__magic; - else - /* Unsupported version of MacOS X: The internals of 'struct _xlocale' - have changed again. */ - return ""; +# elif defined __FreeBSD__ || (defined __APPLE__ && defined __MACH__) + /* FreeBSD, Mac OS X */ + int mask; + switch (category) { case LC_CTYPE: - return tlp->__lc_ctype->__ctype_encoding; + mask = LC_CTYPE_MASK; + break; case LC_NUMERIC: - return tlp->_numeric_using_locale - ? tlp->__lc_numeric->_numeric_locale_buf - : "C"; + mask = LC_NUMERIC_MASK; + break; case LC_TIME: - return tlp->_time_using_locale - ? tlp->__lc_time->_time_locale_buf - : "C"; + mask = LC_TIME_MASK; + break; case LC_COLLATE: - return !tlp->__collate_load_error - ? tlp->__lc_collate->__encoding - : "C"; + mask = LC_COLLATE_MASK; + break; case LC_MONETARY: - return tlp->_monetary_using_locale - ? tlp->__lc_monetary->_monetary_locale_buf - : "C"; + mask = LC_MONETARY_MASK; + break; case LC_MESSAGES: - return tlp->_messages_using_locale - ? tlp->__lc_messages->_messages_locale_buf - : "C"; + mask = LC_MESSAGES_MASK; + break; default: /* We shouldn't get here. */ return ""; } + return querylocale (mask, thread_locale); +# elif defined __sun && HAVE_GETLOCALENAME_L + /* Solaris >= 12. */ + return getlocalename_l (category, thread_locale); +# elif defined __ANDROID__ + return MB_CUR_MAX == 4 ? "C.UTF-8" : "C"; # endif } } @@ -2761,6 +2748,27 @@ gl_locale_name_thread (int category, const char *categoryname) const char *name = gl_locale_name_thread_unsafe (category, categoryname); if (name != NULL) return struniq (name); +#elif defined WINDOWS_NATIVE + if (LC_MIN <= category && category <= LC_MAX) + { + char *locname = setlocale (category, NULL); + LCID lcid = 0; + + /* If CATEGORY is LC_ALL, the result might be a semi-colon + separated list of locales. We need only one, so we take the + one corresponding to LC_CTYPE, as the most important for + character translations. */ + if (strchr (locname, ';')) + locname = setlocale (LC_CTYPE, NULL); + + /* Convert locale name to LCID. We don't want to use + LocaleNameToLCID because (a) it is only available since Vista, + and (b) it doesn't accept locale names returned by 'setlocale'. */ + lcid = get_lcid (locname); + + if (lcid > 0) + return gl_locale_name_from_win32_LCID (lcid); + } #endif return NULL; } @@ -2771,7 +2779,7 @@ gl_locale_name_thread (int category, const char *categoryname) However it does not specify the exact format. Neither do SUSV2 and ISO C 99. So we can use this feature only on selected systems (e.g. those using GNU C Library). */ -#if defined _LIBC || (defined __GLIBC__ && __GLIBC__ >= 2) +#if defined _LIBC || ((defined __GLIBC__ && __GLIBC__ >= 2) && !defined __UCLIBC__) # define HAVE_LOCALE_NULL #endif @@ -2786,8 +2794,8 @@ gl_locale_name_posix (int category, const char *categoryname) /* On other systems we ignore what setlocale reports and instead look at the environment variables directly. This is necessary 1. on systems which have a facility for customizing the default locale - (MacOS X, native Windows, Cygwin) and where the system's setlocale() - function ignores this default locale (MacOS X, Cygwin), in two cases: + (Mac OS X, native Windows, Cygwin) and where the system's setlocale() + function ignores this default locale (Mac OS X, Cygwin), in two cases: a. when the user missed to use the setlocale() override from libintl (for example by not including <libintl.h>), b. when setlocale supports only the "C" locale, such as on Cygwin @@ -2822,7 +2830,7 @@ gl_locale_name_environ (int category, const char *categoryname) if (retval != NULL && retval[0] != '\0') { #if HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE - /* MacOS X 10.2 or newer. + /* Mac OS X 10.2 or newer. Ignore invalid LANG value set by the Terminal application. */ if (strcmp (retval, "UTF-8") != 0) #endif @@ -2849,10 +2857,10 @@ gl_locale_name_default (void) locale, customizing it for each location. POSIX:2001 does not require such a facility. - The systems with such a facility are MacOS X and Windows: They provide a + The systems with such a facility are Mac OS X and Windows: They provide a GUI that allows the user to choose a locale. - - On MacOS X, by default, none of LC_* or LANG are set. Starting with - MacOS X 10.4 or 10.5, LANG is set for processes launched by the + - On Mac OS X, by default, none of LC_* or LANG are set. Starting with + Mac OS X 10.4 or 10.5, LANG is set for processes launched by the 'Terminal' application (but sometimes to an incorrect value "UTF-8"). When no environment variable is set, setlocale (LC_ALL, "") uses the "C" locale. @@ -2868,7 +2876,7 @@ gl_locale_name_default (void) "C.UTF-8" locale, which operates in the same way as the "C" locale. */ -#if !(HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE || defined WIN32_NATIVE || defined __CYGWIN__) +#if !(HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE || defined WINDOWS_NATIVE || defined __CYGWIN__) /* The system does not have a way of setting the locale, other than the POSIX specified environment variables. We use C as default locale. */ @@ -2882,7 +2890,7 @@ gl_locale_name_default (void) codeset. */ # if HAVE_CFLOCALECOPYCURRENT || HAVE_CFPREFERENCESCOPYAPPVALUE - /* MacOS X 10.2 or newer */ + /* Mac OS X 10.2 or newer */ { /* Cache the locale name, since CoreFoundation calls are expensive. */ static const char *cached_localename; @@ -2890,7 +2898,7 @@ gl_locale_name_default (void) if (cached_localename == NULL) { char namebuf[256]; -# if HAVE_CFLOCALECOPYCURRENT /* MacOS X 10.3 or newer */ +# if HAVE_CFLOCALECOPYCURRENT /* Mac OS X 10.3 or newer */ CFLocaleRef locale = CFLocaleCopyCurrent (); CFStringRef name = CFLocaleGetIdentifier (locale); @@ -2901,7 +2909,7 @@ gl_locale_name_default (void) cached_localename = strdup (namebuf); } CFRelease (locale); -# elif HAVE_CFPREFERENCESCOPYAPPVALUE /* MacOS X 10.2 or newer */ +# elif HAVE_CFPREFERENCESCOPYAPPVALUE /* Mac OS X 10.2 or newer */ CFTypeRef value = CFPreferencesCopyAppValue (CFSTR ("AppleLocale"), kCFPreferencesCurrentApplication); @@ -2923,11 +2931,11 @@ gl_locale_name_default (void) # endif -# if defined WIN32_NATIVE || defined __CYGWIN__ /* WIN32 or Cygwin */ +# if defined WINDOWS_NATIVE || defined __CYGWIN__ /* Native Windows or Cygwin */ { LCID lcid; - /* Use native Win32 API locale ID. */ + /* Use native Windows API locale ID. */ lcid = GetThreadLocale (); return gl_locale_name_from_win32_LCID (lcid); |