/* Implementation of the internal dcigettext function.
- Copyright (C) 1995-1999, 2000-2003 Free Software Foundation, Inc.
+ Copyright (C) 1995-1999, 2000-2006 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
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().
# include <config.h>
#endif
+/* NL_LOCALE_NAME does not work in glibc-2.4. Ignore it. */
+#undef HAVE_NL_LOCALE_NAME
+
#include <sys/types.h>
#ifdef __GNUC__
# include <sys/param.h>
#endif
+#if !defined _LIBC && HAVE_NL_LOCALE_NAME
+# include <langinfo.h>
+#endif
+
#include "gettextP.h"
#include "plural-exp.h"
#ifdef _LIBC
# include <libintl.h>
#else
+# ifdef IN_LIBGLOCALE
+# include <libintl.h>
+# endif
# include "libgnuintl.h"
#endif
#include "hash-string.h"
-/* Thread safetyness. */
+/* Handle multi-threaded applications. */
#ifdef _LIBC
# include <bits/libc-lock.h>
+# define gl_rwlock_define_initialized __libc_rwlock_define_initialized
+# define gl_rwlock_rdlock __libc_rwlock_rdlock
+# define gl_rwlock_wrlock __libc_rwlock_wrlock
+# define gl_rwlock_unlock __libc_rwlock_unlock
#else
-/* Provide dummy implementation if this is outside glibc. */
-# define __libc_lock_define_initialized(CLASS, NAME)
-# define __libc_lock_lock(NAME)
-# define __libc_lock_unlock(NAME)
-# define __libc_rwlock_define_initialized(CLASS, NAME)
-# define __libc_rwlock_rdlock(NAME)
-# define __libc_rwlock_unlock(NAME)
+# include "lock.h"
#endif
/* Alignment of types. */
it may be concatenated to a directory pathname.
IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
*/
-#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
- /* Win32, OS/2, DOS */
+#if defined _WIN32 || defined __WIN32__ || defined __CYGWIN__ || defined __EMX__ || defined __DJGPP__
+ /* Win32, Cygwin, OS/2, DOS */
# define ISSLASH(C) ((C) == '/' || (C) == '\\')
# define HAS_DEVICE(P) \
((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
#endif
+/* Whether to support different locales in different threads. */
+#if defined _LIBC || HAVE_NL_LOCALE_NAME || (HAVE_STRUCT___LOCALE_STRUCT___NAMES && defined USE_IN_GETTEXT_TESTS) || defined IN_LIBGLOCALE
+# define HAVE_PER_THREAD_LOCALE
+#endif
+
/* This is the type used for the search tree where known translations
are stored. */
struct known_translation_t
{
/* Domain in which to search. */
- char *domainname;
+ const char *domainname;
/* The category. */
int category;
+#ifdef HAVE_PER_THREAD_LOCALE
+ /* Name of the relevant locale category, or "" for the global locale. */
+ const char *localename;
+#endif
+
+#ifdef IN_LIBGLOCALE
+ /* The character encoding. */
+ const char *encoding;
+#endif
+
/* State of the catalog counter at the point the string was found. */
int counter;
#if defined HAVE_TSEARCH || defined _LIBC
# include <search.h>
+gl_rwlock_define_initialized (static, tree_lock)
+
static void *root;
# ifdef _LIBC
{
result = strcmp (s1->domainname, s2->domainname);
if (result == 0)
- /* We compare the category last (though this is the cheapest
- operation) since it is hopefully always the same (namely
- LC_MESSAGES). */
- result = s1->category - s2->category;
+ {
+#ifdef HAVE_PER_THREAD_LOCALE
+ result = strcmp (s1->localename, s2->localename);
+ if (result == 0)
+#endif
+ {
+#ifdef IN_LIBGLOCALE
+ result = strcmp (s1->encoding, s2->encoding);
+ if (result == 0)
+#endif
+ /* We compare the category last (though this is the cheapest
+ operation) since it is hopefully always the same (namely
+ LC_MESSAGES). */
+ result = s1->category - s2->category;
+ }
+ }
}
return result;
}
#endif
-#ifndef INTVARDEF
-# define INTVARDEF(name)
-#endif
-#ifndef INTUSE
-# define INTUSE(name) name
-#endif
-
/* Name of the default domain used for gettext(3) prior any call to
textdomain(3). The default value for this is "messages". */
const char _nl_default_default_domain[] attribute_hidden = "messages";
+#ifndef IN_LIBGLOCALE
/* Value used as the default domain for gettext(3). */
const char *_nl_current_default_domain attribute_hidden
= _nl_default_default_domain;
+#endif
/* Contains the default location of the message catalogs. */
#if defined __EMX__
extern const char _nl_default_dirname[];
#else
+# ifdef _LIBC
+extern const char _nl_default_dirname[];
+libc_hidden_proto (_nl_default_dirname)
+# endif
const char _nl_default_dirname[] = LOCALEDIR;
-INTVARDEF (_nl_default_dirname)
+# ifdef _LIBC
+libc_hidden_data_def (_nl_default_dirname)
+# endif
#endif
+#ifndef IN_LIBGLOCALE
/* List with bindings of specific domains created by bindtextdomain()
calls. */
struct binding *_nl_domain_bindings;
+#endif
/* Prototypes for local functions. */
static char *plural_lookup (struct loaded_l10nfile *domain,
unsigned long int n,
const char *translation, size_t translation_len)
internal_function;
+
+#ifdef IN_LIBGLOCALE
+static const char *guess_category_value (int category,
+ const char *categoryname,
+ const char *localename)
+ internal_function;
+#else
static const char *guess_category_value (int category,
const char *categoryname)
internal_function;
+#endif
+
#ifdef _LIBC
# include "../locale/localeinfo.h"
-# define category_to_name(category) _nl_category_names[category]
+# define category_to_name(category) \
+ _nl_category_names.str + _nl_category_name_idxs[category]
#else
static const char *category_to_name (int category) internal_function;
#endif
+#if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE
+static const char *get_output_charset (struct binding *domainbinding)
+ internal_function;
+#endif
/* For those loosing systems which don't have `alloca' we have to add
#endif
/* Lock variable to protect the global data in the gettext implementation. */
-#ifdef _LIBC
-__libc_rwlock_define_initialized (, _nl_state_lock attribute_hidden)
-#endif
+gl_rwlock_define_initialized (, _nl_state_lock attribute_hidden)
/* Checking whether the binaries runs SUID must be done and glibc provides
easier methods therefore we make a difference here. */
/* Look up MSGID in the DOMAINNAME message catalog for the current
CATEGORY locale and, if PLURAL is nonzero, search over string
depending on the plural form determined by N. */
+#ifdef IN_LIBGLOCALE
+char *
+gl_dcigettext (const char *domainname,
+ const char *msgid1, const char *msgid2,
+ int plural, unsigned long int n,
+ int category,
+ const char *localename, const char *encoding)
+#else
char *
DCIGETTEXT (const char *domainname, const char *msgid1, const char *msgid2,
int plural, unsigned long int n, int category)
+#endif
{
#ifndef HAVE_ALLOCA
struct block_list *block_list = NULL;
struct binding *binding;
const char *categoryname;
const char *categoryvalue;
- char *dirname, *xdomainname;
+ const char *dirname;
+ char *xdomainname;
char *single_locale;
char *retval;
size_t retlen;
struct known_translation_t *search;
struct known_translation_t **foundp = NULL;
size_t msgid_len;
+# if defined HAVE_PER_THREAD_LOCALE && !defined IN_LIBGLOCALE
+ const char *localename;
+# endif
#endif
size_t domainname_len;
: n == 1 ? (char *) msgid1 : (char *) msgid2);
#endif
- __libc_rwlock_rdlock (_nl_state_lock);
+ gl_rwlock_rdlock (_nl_state_lock);
/* If DOMAINNAME is NULL, we are interested in the default domain. If
CATEGORY is not LC_MESSAGES this might not make much sense but the
search = (struct known_translation_t *)
alloca (offsetof (struct known_translation_t, msgid) + msgid_len);
memcpy (search->msgid, msgid1, msgid_len);
- search->domainname = (char *) domainname;
+ search->domainname = domainname;
search->category = category;
+# ifdef HAVE_PER_THREAD_LOCALE
+# ifndef IN_LIBGLOCALE
+# ifdef _LIBC
+ localename = __current_locale_name (category);
+# else
+# if HAVE_NL_LOCALE_NAME
+ /* NL_LOCALE_NAME is public glibc API introduced in glibc-2.4. */
+ localename = nl_langinfo (NL_LOCALE_NAME (category));
+# else
+# if HAVE_STRUCT___LOCALE_STRUCT___NAMES && defined USE_IN_GETTEXT_TESTS
+ /* The __names field is not public glibc API and must therefore not be used
+ in code that is installed in public locations. */
+ {
+ locale_t thread_locale = uselocale (NULL);
+ if (thread_locale != LC_GLOBAL_LOCALE)
+ localename = thread_locale->__names[category];
+ else
+ localename = "";
+ }
+# endif
+# endif
+# endif
+# endif
+ search->localename = localename;
+# ifdef IN_LIBGLOCALE
+ search->encoding = encoding;
+# endif
+# endif
+
+ /* Since tfind/tsearch manage a balanced tree, concurrent tfind and
+ tsearch calls can be fatal. */
+ gl_rwlock_rdlock (tree_lock);
foundp = (struct known_translation_t **) tfind (search, &root, transcmp);
+
+ gl_rwlock_unlock (tree_lock);
+
freea (search);
if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)
{
else
retval = (char *) (*foundp)->translation;
- __libc_rwlock_unlock (_nl_state_lock);
+ gl_rwlock_unlock (_nl_state_lock);
return retval;
}
#endif
DETERMINE_SECURE;
/* First find matching binding. */
+#ifdef IN_LIBGLOCALE
+ /* We can use a trivial binding, since _nl_find_msg will ignore it anyway,
+ and _nl_load_domain and _nl_find_domain just pass it through. */
+ binding = NULL;
+ dirname = bindtextdomain (domainname, NULL);
+#else
for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next)
{
int compare = strcmp (domainname, binding->domainname);
}
if (binding == NULL)
- dirname = (char *) INTUSE(_nl_default_dirname);
- else if (IS_ABSOLUTE_PATH (binding->dirname))
- dirname = binding->dirname;
+ dirname = _nl_default_dirname;
else
{
- /* We have a relative path. Make it absolute now. */
- size_t dirname_len = strlen (binding->dirname) + 1;
- size_t path_max;
- char *ret;
+ dirname = binding->dirname;
+#endif
+ if (!IS_ABSOLUTE_PATH (dirname))
+ {
+ /* We have a relative path. Make it absolute now. */
+ size_t dirname_len = strlen (dirname) + 1;
+ size_t path_max;
+ char *resolved_dirname;
+ char *ret;
- path_max = (unsigned int) PATH_MAX;
- path_max += 2; /* The getcwd docs say to do this. */
+ path_max = (unsigned int) PATH_MAX;
+ path_max += 2; /* The getcwd docs say to do this. */
- for (;;)
- {
- dirname = (char *) alloca (path_max + dirname_len);
- ADD_BLOCK (block_list, dirname);
+ for (;;)
+ {
+ resolved_dirname = (char *) alloca (path_max + dirname_len);
+ ADD_BLOCK (block_list, tmp_dirname);
- __set_errno (0);
- ret = getcwd (dirname, path_max);
- if (ret != NULL || errno != ERANGE)
- break;
+ __set_errno (0);
+ ret = getcwd (resolved_dirname, path_max);
+ if (ret != NULL || errno != ERANGE)
+ break;
- path_max += path_max / 2;
- path_max += PATH_INCR;
- }
+ path_max += path_max / 2;
+ path_max += PATH_INCR;
+ }
- if (ret == NULL)
- /* We cannot get the current working directory. Don't signal an
- error but simply return the default string. */
- goto return_untranslated;
+ if (ret == NULL)
+ /* We cannot get the current working directory. Don't signal an
+ error but simply return the default string. */
+ goto return_untranslated;
- stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname);
+ stpcpy (stpcpy (strchr (resolved_dirname, '\0'), "/"), dirname);
+ dirname = resolved_dirname;
+ }
+#ifndef IN_LIBGLOCALE
}
+#endif
/* Now determine the symbolic name of CATEGORY and its value. */
categoryname = category_to_name (category);
+#ifdef IN_LIBGLOCALE
+ categoryvalue = guess_category_value (category, categoryname, localename);
+#else
categoryvalue = guess_category_value (category, categoryname);
+#endif
domainname_len = strlen (domainname);
xdomainname = (char *) alloca (strlen (categoryname)
if (domain != NULL)
{
- retval = _nl_find_msg (domain, binding, msgid1, &retlen);
+#if defined IN_LIBGLOCALE
+ retval = _nl_find_msg (domain, binding, encoding, msgid1, &retlen);
+#else
+ retval = _nl_find_msg (domain, binding, msgid1, 1, &retlen);
+#endif
if (retval == NULL)
{
for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)
{
+#if defined IN_LIBGLOCALE
+ retval = _nl_find_msg (domain->successor[cnt], binding,
+ encoding, msgid1, &retlen);
+#else
retval = _nl_find_msg (domain->successor[cnt], binding,
- msgid1, &retlen);
+ msgid1, 1, &retlen);
+#endif
if (retval != NULL)
{
}
}
+ /* Returning -1 means that some resource problem exists
+ (likely memory) and that the strings could not be
+ converted. Return the original strings. */
+ if (__builtin_expect (retval == (char *) -1, 0))
+ break;
+
if (retval != NULL)
{
/* Found the translation of MSGID1 in domain DOMAIN:
if (foundp == NULL)
{
/* Create a new entry and add it to the search tree. */
+ size_t size;
struct known_translation_t *newp;
- newp = (struct known_translation_t *)
- malloc (offsetof (struct known_translation_t, msgid)
- + msgid_len + domainname_len + 1);
+ size = offsetof (struct known_translation_t, msgid)
+ + msgid_len + domainname_len + 1;
+# ifdef HAVE_PER_THREAD_LOCALE
+ size += strlen (localename) + 1;
+# endif
+ newp = (struct known_translation_t *) malloc (size);
if (newp != NULL)
{
- newp->domainname =
- mempcpy (newp->msgid, msgid1, msgid_len);
- memcpy (newp->domainname, domainname, domainname_len + 1);
+ char *new_domainname;
+# ifdef HAVE_PER_THREAD_LOCALE
+ char *new_localename;
+# endif
+
+ new_domainname = mempcpy (newp->msgid, msgid1, msgid_len);
+ memcpy (new_domainname, domainname, domainname_len + 1);
+# ifdef HAVE_PER_THREAD_LOCALE
+ new_localename = new_domainname + domainname_len + 1;
+ strcpy (new_localename, localename);
+# endif
+ newp->domainname = new_domainname;
newp->category = category;
+# ifdef HAVE_PER_THREAD_LOCALE
+ newp->localename = new_localename;
+# endif
+# ifdef IN_LIBGLOCALE
+ newp->encoding = encoding;
+# endif
newp->counter = _nl_msg_cat_cntr;
newp->domain = domain;
newp->translation = retval;
newp->translation_length = retlen;
+ gl_rwlock_wrlock (tree_lock);
+
/* Insert the entry in the search tree. */
foundp = (struct known_translation_t **)
tsearch (newp, &root, transcmp);
+
+ gl_rwlock_unlock (tree_lock);
+
if (foundp == NULL
|| __builtin_expect (*foundp != newp, 0))
/* The insert failed. */
if (plural)
retval = plural_lookup (domain, n, retval, retlen);
- __libc_rwlock_unlock (_nl_state_lock);
+ gl_rwlock_unlock (_nl_state_lock);
return retval;
}
}
return_untranslated:
/* Return the untranslated MSGID. */
FREE_BLOCKS (block_list);
- __libc_rwlock_unlock (_nl_state_lock);
+ gl_rwlock_unlock (_nl_state_lock);
#ifndef _LIBC
if (!ENABLE_SECURE)
{
}
+/* Look up the translation of msgid within DOMAIN_FILE and DOMAINBINDING.
+ Return it if found. Return NULL if not found or in case of a conversion
+ failure (problem in the particular message catalog). Return (char *) -1
+ in case of a memory allocation failure during conversion (only if
+ ENCODING != NULL resp. CONVERT == true). */
char *
internal_function
+#ifdef IN_LIBGLOCALE
_nl_find_msg (struct loaded_l10nfile *domain_file,
- struct binding *domainbinding, const char *msgid,
+ struct binding *domainbinding, const char *encoding,
+ const char *msgid,
size_t *lengthp)
+#else
+_nl_find_msg (struct loaded_l10nfile *domain_file,
+ struct binding *domainbinding,
+ const char *msgid, int convert,
+ size_t *lengthp)
+#endif
{
struct loaded_domain *domain;
nls_uint32 nstrings;
char *result;
size_t resultlen;
- if (domain_file->decided == 0)
+ if (domain_file->decided <= 0)
_nl_load_domain (domain_file, domainbinding);
if (domain_file->data == NULL)
{
/* Use the hashing table. */
nls_uint32 len = strlen (msgid);
- nls_uint32 hash_val = hash_string (msgid);
+ nls_uint32 hash_val = __hash_string (msgid);
nls_uint32 idx = hash_val % domain->hash_size;
nls_uint32 incr = 1 + (hash_val % (domain->hash_size - 2));
}
#if defined _LIBC || HAVE_ICONV
- if (domain->codeset_cntr
- != (domainbinding != NULL ? domainbinding->codeset_cntr : 0))
+# ifdef IN_LIBGLOCALE
+ if (encoding != NULL)
+# else
+ if (convert)
+# endif
{
- /* The domain's codeset has changed through bind_textdomain_codeset()
- since the message catalog was initialized or last accessed. We
- have to reinitialize the converter. */
- _nl_free_domain_conv (domain);
- _nl_init_domain_conv (domain_file, domain, domainbinding);
- }
+ /* We are supposed to do a conversion. */
+# ifndef IN_LIBGLOCALE
+ const char *encoding = get_output_charset (domainbinding);
+# endif
+
+ /* Search whether a table with converted translations for this
+ encoding has already been allocated. */
+ size_t nconversions = domain->nconversions;
+ struct converted_domain *convd = NULL;
+ size_t i;
+
+ for (i = nconversions; i > 0; )
+ {
+ i--;
+ if (strcmp (domain->conversions[i].encoding, encoding) == 0)
+ {
+ convd = &domain->conversions[i];
+ break;
+ }
+ }
- if (
+ if (convd == NULL)
+ {
+ /* Allocate a table for the converted translations for this
+ encoding. */
+ struct converted_domain *new_conversions =
+ (struct converted_domain *)
+ (domain->conversions != NULL
+ ? realloc (domain->conversions,
+ (nconversions + 1) * sizeof (struct converted_domain))
+ : malloc ((nconversions + 1) * sizeof (struct converted_domain)));
+
+ if (__builtin_expect (new_conversions == NULL, 0))
+ /* Nothing we can do, no more memory. We cannot use the
+ translation because it might be encoded incorrectly. */
+ return (char *) -1;
+
+ domain->conversions = new_conversions;
+
+ /* Copy the 'encoding' string to permanent storage. */
+ encoding = strdup (encoding);
+ if (__builtin_expect (encoding == NULL, 0))
+ /* Nothing we can do, no more memory. We cannot use the
+ translation because it might be encoded incorrectly. */
+ return (char *) -1;
+
+ convd = &new_conversions[nconversions];
+ convd->encoding = encoding;
+
+ /* Find out about the character set the file is encoded with.
+ This can be found (in textual form) in the entry "". If this
+ entry does not exist or if this does not contain the 'charset='
+ information, we will assume the charset matches the one the
+ current locale and we don't have to perform any conversion. */
# ifdef _LIBC
- domain->conv != (__gconv_t) -1
+ convd->conv = (__gconv_t) -1;
# else
# if HAVE_ICONV
- domain->conv != (iconv_t) -1
+ convd->conv = (iconv_t) -1;
# endif
# endif
- )
- {
- /* We are supposed to do a conversion. First allocate an
- appropriate table with the same structure as the table
- of translations in the file, where we can put the pointers
- to the converted strings in.
- There is a slight complication with plural entries. They
- are represented by consecutive NUL terminated strings. We
- handle this case by converting RESULTLEN bytes, including
- NULs. */
-
- if (domain->conv_tab == NULL
- && ((domain->conv_tab =
- (char **) calloc (nstrings + domain->n_sysdep_strings,
- sizeof (char *)))
- == NULL))
- /* Mark that we didn't succeed allocating a table. */
- domain->conv_tab = (char **) -1;
-
- if (__builtin_expect (domain->conv_tab == (char **) -1, 0))
- /* Nothing we can do, no more memory. */
- goto converted;
-
- if (domain->conv_tab[act] == NULL)
+ {
+ char *nullentry;
+ size_t nullentrylen;
+
+ /* Get the header entry. This is a recursion, but it doesn't
+ reallocate domain->conversions because we pass
+ encoding = NULL or convert = 0, respectively. */
+ nullentry =
+# ifdef IN_LIBGLOCALE
+ _nl_find_msg (domain_file, domainbinding, NULL, "",
+ &nullentrylen);
+# else
+ _nl_find_msg (domain_file, domainbinding, "", 0, &nullentrylen);
+# endif
+
+ if (nullentry != NULL)
+ {
+ const char *charsetstr;
+
+ charsetstr = strstr (nullentry, "charset=");
+ if (charsetstr != NULL)
+ {
+ size_t len;
+ char *charset;
+ const char *outcharset;
+
+ charsetstr += strlen ("charset=");
+ len = strcspn (charsetstr, " \t\n");
+
+ charset = (char *) alloca (len + 1);
+# if defined _LIBC || HAVE_MEMPCPY
+ *((char *) mempcpy (charset, charsetstr, len)) = '\0';
+# else
+ memcpy (charset, charsetstr, len);
+ charset[len] = '\0';
+# endif
+
+ outcharset = encoding;
+
+# ifdef _LIBC
+ /* We always want to use transliteration. */
+ outcharset = norm_add_slashes (outcharset, "TRANSLIT");
+ charset = norm_add_slashes (charset, "");
+ int r = __gconv_open (outcharset, charset, &convd->conv,
+ GCONV_AVOID_NOCONV);
+ if (__builtin_expect (r != __GCONV_OK, 0))
+ {
+ /* If the output encoding is the same there is
+ nothing to do. Otherwise do not use the
+ translation at all. */
+ if (__builtin_expect (r != __GCONV_NOCONV, 1))
+ return NULL;
+
+ convd->conv = (__gconv_t) -1;
+ }
+# else
+# if HAVE_ICONV
+ /* When using GNU libc >= 2.2 or GNU libiconv >= 1.5,
+ we want to use transliteration. */
+# if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2) || __GLIBC__ > 2 \
+ || _LIBICONV_VERSION >= 0x0105
+ if (strchr (outcharset, '/') == NULL)
+ {
+ char *tmp;
+
+ len = strlen (outcharset);
+ tmp = (char *) alloca (len + 10 + 1);
+ memcpy (tmp, outcharset, len);
+ memcpy (tmp + len, "//TRANSLIT", 10 + 1);
+ outcharset = tmp;
+
+ convd->conv = iconv_open (outcharset, charset);
+
+ freea (outcharset);
+ }
+ else
+# endif
+ convd->conv = iconv_open (outcharset, charset);
+# endif
+# endif
+
+ freea (charset);
+ }
+ }
+ }
+ convd->conv_tab = NULL;
+ /* Here domain->conversions is still == new_conversions. */
+ domain->nconversions++;
+ }
+
+ if (
+# ifdef _LIBC
+ convd->conv != (__gconv_t) -1
+# else
+# if HAVE_ICONV
+ convd->conv != (iconv_t) -1
+# endif
+# endif
+ )
{
- /* We haven't used this string so far, so it is not
- translated yet. Do this now. */
- /* We use a bit more efficient memory handling.
- We allocate always larger blocks which get used over
- time. This is faster than many small allocations. */
- __libc_lock_define_initialized (static, lock)
+ /* We are supposed to do a conversion. First allocate an
+ appropriate table with the same structure as the table
+ of translations in the file, where we can put the pointers
+ to the converted strings in.
+ There is a slight complication with plural entries. They
+ are represented by consecutive NUL terminated strings. We
+ handle this case by converting RESULTLEN bytes, including
+ NULs. */
+
+ if (convd->conv_tab == NULL
+ && ((convd->conv_tab =
+ (char **) calloc (nstrings + domain->n_sysdep_strings,
+ sizeof (char *)))
+ == NULL))
+ /* Mark that we didn't succeed allocating a table. */
+ convd->conv_tab = (char **) -1;
+
+ if (__builtin_expect (convd->conv_tab == (char **) -1, 0))
+ /* Nothing we can do, no more memory. We cannot use the
+ translation because it might be encoded incorrectly. */
+ return (char *) -1;
+
+ if (convd->conv_tab[act] == NULL)
+ {
+ /* We haven't used this string so far, so it is not
+ translated yet. Do this now. */
+ /* We use a bit more efficient memory handling.
+ We allocate always larger blocks which get used over
+ time. This is faster than many small allocations. */
+ __libc_lock_define_initialized (static, lock)
# define INITIAL_BLOCK_SIZE 4080
- static unsigned char *freemem;
- static size_t freemem_size;
+ static unsigned char *freemem;
+ static size_t freemem_size;
- const unsigned char *inbuf;
- unsigned char *outbuf;
- int malloc_count;
+ const unsigned char *inbuf;
+ unsigned char *outbuf;
+ int malloc_count;
# ifndef _LIBC
- transmem_block_t *transmem_list = NULL;
+ transmem_block_t *transmem_list = NULL;
# endif
- __libc_lock_lock (lock);
+ __libc_lock_lock (lock);
- inbuf = (const unsigned char *) result;
- outbuf = freemem + sizeof (size_t);
+ inbuf = (const unsigned char *) result;
+ outbuf = freemem + sizeof (size_t);
- malloc_count = 0;
- while (1)
- {
- transmem_block_t *newmem;
+ malloc_count = 0;
+ while (1)
+ {
+ transmem_block_t *newmem;
# ifdef _LIBC
- size_t non_reversible;
- int res;
+ size_t non_reversible;
+ int res;
- if (freemem_size < sizeof (size_t))
- goto resize_freemem;
+ if (freemem_size < sizeof (size_t))
+ goto resize_freemem;
- res = __gconv (domain->conv,
- &inbuf, inbuf + resultlen,
- &outbuf,
- outbuf + freemem_size - sizeof (size_t),
- &non_reversible);
+ res = __gconv (convd->conv,
+ &inbuf, inbuf + resultlen,
+ &outbuf,
+ outbuf + freemem_size - sizeof (size_t),
+ &non_reversible);
- if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT)
- break;
+ if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT)
+ break;
- if (res != __GCONV_FULL_OUTPUT)
- {
- __libc_lock_unlock (lock);
- goto converted;
- }
+ if (res != __GCONV_FULL_OUTPUT)
+ {
+ /* We should not use the translation at all, it
+ is incorrectly encoded. */
+ __libc_lock_unlock (lock);
+ return NULL;
+ }
- inbuf = result;
+ inbuf = (const unsigned char *) result;
# else
# if HAVE_ICONV
- const char *inptr = (const char *) inbuf;
- size_t inleft = resultlen;
- char *outptr = (char *) outbuf;
- size_t outleft;
-
- if (freemem_size < sizeof (size_t))
- goto resize_freemem;
-
- outleft = freemem_size - sizeof (size_t);
- if (iconv (domain->conv,
- (ICONV_CONST char **) &inptr, &inleft,
- &outptr, &outleft)
- != (size_t) (-1))
- {
- outbuf = (unsigned char *) outptr;
- break;
- }
- if (errno != E2BIG)
- {
- __libc_lock_unlock (lock);
- goto converted;
- }
+ const char *inptr = (const char *) inbuf;
+ size_t inleft = resultlen;
+ char *outptr = (char *) outbuf;
+ size_t outleft;
+
+ if (freemem_size < sizeof (size_t))
+ goto resize_freemem;
+
+ outleft = freemem_size - sizeof (size_t);
+ if (iconv (convd->conv,
+ (ICONV_CONST char **) &inptr, &inleft,
+ &outptr, &outleft)
+ != (size_t) (-1))
+ {
+ outbuf = (unsigned char *) outptr;
+ break;
+ }
+ if (errno != E2BIG)
+ {
+ __libc_lock_unlock (lock);
+ return NULL;
+ }
# endif
# endif
- resize_freemem:
- /* We must allocate a new buffer or resize the old one. */
- if (malloc_count > 0)
- {
- ++malloc_count;
- freemem_size = malloc_count * INITIAL_BLOCK_SIZE;
- newmem = (transmem_block_t *) realloc (transmem_list,
- freemem_size);
+ resize_freemem:
+ /* We must allocate a new buffer or resize the old one. */
+ if (malloc_count > 0)
+ {
+ ++malloc_count;
+ freemem_size = malloc_count * INITIAL_BLOCK_SIZE;
+ newmem = (transmem_block_t *) realloc (transmem_list,
+ freemem_size);
# ifdef _LIBC
- if (newmem != NULL)
- transmem_list = transmem_list->next;
+ if (newmem != NULL)
+ transmem_list = transmem_list->next;
+ else
+ {
+ struct transmem_list *old = transmem_list;
+
+ transmem_list = transmem_list->next;
+ free (old);
+ }
+# endif
+ }
else
{
- struct transmem_list *old = transmem_list;
-
- transmem_list = transmem_list->next;
- free (old);
+ malloc_count = 1;
+ freemem_size = INITIAL_BLOCK_SIZE;
+ newmem = (transmem_block_t *) malloc (freemem_size);
+ }
+ if (__builtin_expect (newmem == NULL, 0))
+ {
+ freemem = NULL;
+ freemem_size = 0;
+ __libc_lock_unlock (lock);
+ return (char *) -1;
}
-# endif
- }
- else
- {
- malloc_count = 1;
- freemem_size = INITIAL_BLOCK_SIZE;
- newmem = (transmem_block_t *) malloc (freemem_size);
- }
- if (__builtin_expect (newmem == NULL, 0))
- {
- freemem = NULL;
- freemem_size = 0;
- __libc_lock_unlock (lock);
- goto converted;
- }
# ifdef _LIBC
- /* Add the block to the list of blocks we have to free
- at some point. */
- newmem->next = transmem_list;
- transmem_list = newmem;
+ /* Add the block to the list of blocks we have to free
+ at some point. */
+ newmem->next = transmem_list;
+ transmem_list = newmem;
- freemem = newmem->data;
- freemem_size -= offsetof (struct transmem_list, data);
+ freemem = (unsigned char *) newmem->data;
+ freemem_size -= offsetof (struct transmem_list, data);
# else
- transmem_list = newmem;
- freemem = newmem;
+ transmem_list = newmem;
+ freemem = newmem;
# endif
- outbuf = freemem + sizeof (size_t);
+ outbuf = freemem + sizeof (size_t);
+ }
+
+ /* We have now in our buffer a converted string. Put this
+ into the table of conversions. */
+ *(size_t *) freemem = outbuf - freemem - sizeof (size_t);
+ convd->conv_tab[act] = (char *) freemem;
+ /* Shrink freemem, but keep it aligned. */
+ freemem_size -= outbuf - freemem;
+ freemem = outbuf;
+ freemem += freemem_size & (alignof (size_t) - 1);
+ freemem_size = freemem_size & ~ (alignof (size_t) - 1);
+
+ __libc_lock_unlock (lock);
}
- /* We have now in our buffer a converted string. Put this
- into the table of conversions. */
- *(size_t *) freemem = outbuf - freemem - sizeof (size_t);
- domain->conv_tab[act] = (char *) freemem;
- /* Shrink freemem, but keep it aligned. */
- freemem_size -= outbuf - freemem;
- freemem = outbuf;
- freemem += freemem_size & (alignof (size_t) - 1);
- freemem_size = freemem_size & ~ (alignof (size_t) - 1);
-
- __libc_lock_unlock (lock);
+ /* Now convd->conv_tab[act] contains the translation of all
+ the plural variants. */
+ result = convd->conv_tab[act] + sizeof (size_t);
+ resultlen = *(size_t *) convd->conv_tab[act];
}
-
- /* Now domain->conv_tab[act] contains the translation of all
- the plural variants. */
- result = domain->conv_tab[act] + sizeof (size_t);
- resultlen = *(size_t *) domain->conv_tab[act];
}
- converted:
/* The result string is converted. */
#endif /* _LIBC || HAVE_ICONV */
}
#endif
-/* Guess value of current locale from value of the environment variables. */
+/* Guess value of current locale from value of the environment variables
+ or system-dependent defaults. */
static const char *
internal_function
+#ifdef IN_LIBGLOCALE
+guess_category_value (int category, const char *categoryname,
+ const char *locale)
+
+#else
guess_category_value (int category, const char *categoryname)
+#endif
{
const char *language;
- const char *retval;
-
- /* The highest priority value is the `LANGUAGE' environment
- variable. But we don't use the value if the currently selected
- locale is the C locale. This is a GNU extension. */
- language = getenv ("LANGUAGE");
- if (language != NULL && language[0] == '\0')
- language = NULL;
+#ifndef IN_LIBGLOCALE
+ const char *locale;
+# ifndef _LIBC
+ const char *language_default;
+ int locale_defaulted;
+# endif
+#endif
- /* We have to proceed with the POSIX methods of looking to `LC_ALL',
+ /* We use the settings in the following order:
+ 1. The value of the environment variable 'LANGUAGE'. This is a GNU
+ extension. Its value can be a colon-separated list of locale names.
+ 2. The value of the environment variable 'LC_ALL', 'LC_xxx', or 'LANG'.
+ More precisely, the first among these that is set to a non-empty value.
+ This is how POSIX specifies it. The value is a single locale name.
+ 3. A system-dependent preference list of languages. Its value can be a
+ colon-separated list of locale names.
+ 4. A system-dependent default locale name.
+ This way:
+ - System-dependent settings can be overridden by environment variables.
+ - If the system provides both a list of languages and a default locale,
+ the former is used. */
+
+#ifndef IN_LIBGLOCALE
+ /* Fetch the locale name, through the POSIX method of looking to `LC_ALL',
`LC_xxx', and `LANG'. On some systems this can be done by the
`setlocale' function itself. */
-#ifdef _LIBC
- retval = __current_locale_name (category);
-#else
- retval = _nl_locale_name (category, categoryname);
+# ifdef _LIBC
+ locale = __current_locale_name (category);
+# else
+# if HAVE_STRUCT___LOCALE_STRUCT___NAMES && defined USE_IN_GETTEXT_TESTS
+ /* The __names field is not public glibc API and must therefore not be used
+ in code that is installed in public locations. */
+ locale_t thread_locale = uselocale (NULL);
+ if (thread_locale != LC_GLOBAL_LOCALE)
+ {
+ locale = thread_locale->__names[category];
+ locale_defaulted = 0;
+ }
+ else
+# endif
+ {
+ locale = _nl_locale_name_posix (category, categoryname);
+ locale_defaulted = 0;
+ if (locale == NULL)
+ {
+ locale = _nl_locale_name_default ();
+ locale_defaulted = 1;
+ }
+ }
+# endif
#endif
- /* Ignore LANGUAGE if the locale is set to "C" because
+ /* Ignore LANGUAGE and its system-dependent analogon if the locale is set
+ to "C" because
1. "C" locale usually uses the ASCII encoding, and most international
messages use non-ASCII characters. These characters get displayed
as question marks (if using glibc's iconv()) or as invalid 8-bit
characters to ASCII). In any case, the output is ugly.
2. The precise output of some programs in the "C" locale is specified
by POSIX and should not depend on environment variables like
- "LANGUAGE". We allow such programs to use gettext(). */
- return language != NULL && strcmp (retval, "C") != 0 ? language : retval;
+ "LANGUAGE" or system-dependent information. We allow such programs
+ to use gettext(). */
+ if (strcmp (locale, "C") == 0)
+ return locale;
+
+ /* The highest priority value is the value of the 'LANGUAGE' environment
+ variable. */
+ language = getenv ("LANGUAGE");
+ if (language != NULL && language[0] != '\0')
+ return language;
+#if !defined IN_LIBGLOCALE && !defined _LIBC
+ /* The next priority value is the locale name, if not defaulted. */
+ if (locale_defaulted)
+ {
+ /* The next priority value is the default language preferences list. */
+ language_default = _nl_language_preferences_default ();
+ if (language_default != NULL)
+ return language_default;
+ }
+ /* The least priority value is the locale name, if defaulted. */
+#endif
+ return locale;
+}
+
+#if (defined _LIBC || HAVE_ICONV) && !defined IN_LIBGLOCALE
+/* Returns the output charset. */
+static const char *
+internal_function
+get_output_charset (struct binding *domainbinding)
+{
+ /* The output charset should normally be determined by the locale. But
+ sometimes the locale is not used or not correctly set up, so we provide
+ a possibility for the user to override this: the OUTPUT_CHARSET
+ environment variable. Moreover, the value specified through
+ bind_textdomain_codeset overrides both. */
+ if (domainbinding != NULL && domainbinding->codeset != NULL)
+ return domainbinding->codeset;
+ else
+ {
+ /* For speed reasons, we look at the value of OUTPUT_CHARSET only
+ once. This is a user variable that is not supposed to change
+ during a program run. */
+ static char *output_charset_cache;
+ static int output_charset_cached;
+
+ if (!output_charset_cached)
+ {
+ const char *value = getenv ("OUTPUT_CHARSET");
+
+ if (value != NULL && value[0] != '\0')
+ {
+ size_t len = strlen (value) + 1;
+ char *value_copy = (char *) malloc (len);
+
+ if (value_copy != NULL)
+ memcpy (value_copy, value, len);
+ output_charset_cache = value_copy;
+ }
+ output_charset_cached = 1;
+ }
+
+ if (output_charset_cache != NULL)
+ return output_charset_cache;
+ else
+ {
+# ifdef _LIBC
+ return _NL_CURRENT (LC_CTYPE, CODESET);
+# else
+# if HAVE_ICONV
+ extern const char *locale_charset (void);
+ return locale_charset ();
+# endif
+# endif
+ }
+ }
}
+#endif
/* @@ begin of epilog @@ */
{
struct binding *oldp = _nl_domain_bindings;
_nl_domain_bindings = _nl_domain_bindings->next;
- if (oldp->dirname != INTUSE(_nl_default_dirname))
+ if (oldp->dirname != _nl_default_dirname)
/* Yes, this is a pointer comparison. */
free (oldp->dirname);
free (oldp->codeset);
projects / lyx.git / blobdiff