diff options
Diffstat (limited to 'intl/dcigettext.c')
| -rw-r--r-- | intl/dcigettext.c | 1259 |
1 files changed, 0 insertions, 1259 deletions
diff --git a/intl/dcigettext.c b/intl/dcigettext.c deleted file mode 100644 index 6acde195..00000000 --- a/intl/dcigettext.c +++ /dev/null @@ -1,1259 +0,0 @@ -/* Implementation of the internal dcigettext function. - Copyright (C) 1995-1999, 2000, 2001 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 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. - - 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, - USA. */ - -/* Tell glibc's <string.h> to provide a prototype for mempcpy(). - This must come before <config.h> because <config.h> may include - <features.h>, and once <features.h> has been included, it's too late. */ -#ifndef _GNU_SOURCE -# define _GNU_SOURCE 1 -#endif - -#ifdef HAVE_CONFIG_H -# include <config.h> -#endif - -#include <sys/types.h> - -#ifdef __GNUC__ -# define alloca __builtin_alloca -# define HAVE_ALLOCA 1 -#else -# if defined HAVE_ALLOCA_H || defined _LIBC -# include <alloca.h> -# else -# ifdef _AIX - #pragma alloca -# else -# ifndef alloca -char *alloca (); -# endif -# endif -# endif -#endif - -#include <errno.h> -#ifndef errno -extern int errno; -#endif -#ifndef __set_errno -# define __set_errno(val) errno = (val) -#endif - -#include <stddef.h> -#include <stdlib.h> - -#include <string.h> -#if !HAVE_STRCHR && !defined _LIBC -# ifndef strchr -# define strchr index -# endif -#endif - -#if defined HAVE_UNISTD_H || defined _LIBC -# include <unistd.h> -#endif - -#include <locale.h> - -#if defined HAVE_SYS_PARAM_H || defined _LIBC -# include <sys/param.h> -#endif - -#include "gettextP.h" -#ifdef _LIBC -# include <libintl.h> -#else -# include "libgnuintl.h" -#endif -#include "hash-string.h" - -/* Thread safetyness. */ -#ifdef _LIBC -# include <bits/libc-lock.h> -#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) -#endif - -/* Alignment of types. */ -#if defined __GNUC__ && __GNUC__ >= 2 -# define alignof(TYPE) __alignof__ (TYPE) -#else -# define alignof(TYPE) \ - ((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2) -#endif - -/* The internal variables in the standalone libintl.a must have different - names than the internal variables in GNU libc, otherwise programs - using libintl.a cannot be linked statically. */ -#if !defined _LIBC -# define _nl_default_default_domain _nl_default_default_domain__ -# define _nl_current_default_domain _nl_current_default_domain__ -# define _nl_default_dirname _nl_default_dirname__ -# define _nl_domain_bindings _nl_domain_bindings__ -#endif - -/* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */ -#ifndef offsetof -# define offsetof(type,ident) ((size_t)&(((type*)0)->ident)) -#endif - -/* @@ end of prolog @@ */ - -#ifdef _LIBC -/* Rename the non ANSI C functions. This is required by the standard - because some ANSI C functions will require linking with this object - file and the name space must not be polluted. */ -# define getcwd __getcwd -# ifndef stpcpy -# define stpcpy __stpcpy -# endif -# define tfind __tfind -#else -# if !defined HAVE_GETCWD -char *getwd (); -# define getcwd(buf, max) getwd (buf) -# else -char *getcwd (); -# endif -# ifndef HAVE_STPCPY -static char *stpcpy PARAMS ((char *dest, const char *src)); -# endif -# ifndef HAVE_MEMPCPY -static void *mempcpy PARAMS ((void *dest, const void *src, size_t n)); -# endif -#endif - -/* Amount to increase buffer size by in each try. */ -#define PATH_INCR 32 - -/* The following is from pathmax.h. */ -/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define - PATH_MAX but might cause redefinition warnings when sys/param.h is - later included (as on MORE/BSD 4.3). */ -#if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__) -# include <limits.h> -#endif - -#ifndef _POSIX_PATH_MAX -# define _POSIX_PATH_MAX 255 -#endif - -#if !defined PATH_MAX && defined _PC_PATH_MAX -# define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX)) -#endif - -/* Don't include sys/param.h if it already has been. */ -#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN -# include <sys/param.h> -#endif - -#if !defined PATH_MAX && defined MAXPATHLEN -# define PATH_MAX MAXPATHLEN -#endif - -#ifndef PATH_MAX -# define PATH_MAX _POSIX_PATH_MAX -#endif - -/* Pathname support. - ISSLASH(C) tests whether C is a directory separator character. - IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not, - 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 */ -# define ISSLASH(C) ((C) == '/' || (C) == '\\') -# define HAS_DEVICE(P) \ - ((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \ - && (P)[1] == ':') -# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P)) -# define IS_PATH_WITH_DIR(P) \ - (strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P)) -#else - /* Unix */ -# define ISSLASH(C) ((C) == '/') -# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0]) -# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL) -#endif - -/* XPG3 defines the result of `setlocale (category, NULL)' as: - ``Directs `setlocale()' to query `category' and return the current - setting of `local'.'' - 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 __GNU_LIBRARY__ && __GNU_LIBRARY__ >= 2) -# define HAVE_LOCALE_NULL -#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; - - /* The category. */ - int category; - - /* State of the catalog counter at the point the string was found. */ - int counter; - - /* Catalog where the string was found. */ - struct loaded_l10nfile *domain; - - /* And finally the translation. */ - const char *translation; - size_t translation_length; - - /* Pointer to the string in question. */ - char msgid[ZERO]; -}; - -/* Root of the search tree with known translations. We can use this - only if the system provides the `tsearch' function family. */ -#if defined HAVE_TSEARCH || defined _LIBC -# include <search.h> - -static void *root; - -# ifdef _LIBC -# define tsearch __tsearch -# endif - -/* Function to compare two entries in the table of known translations. */ -static int transcmp PARAMS ((const void *p1, const void *p2)); -static int -transcmp (p1, p2) - const void *p1; - const void *p2; -{ - const struct known_translation_t *s1; - const struct known_translation_t *s2; - int result; - - s1 = (const struct known_translation_t *) p1; - s2 = (const struct known_translation_t *) p2; - - result = strcmp (s1->msgid, s2->msgid); - if (result == 0) - { - 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; - } - - return result; -} -#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[] = "messages"; - -/* Value used as the default domain for gettext(3). */ -const char *_nl_current_default_domain = _nl_default_default_domain; - -/* Contains the default location of the message catalogs. */ -const char _nl_default_dirname[] = LOCALEDIR; - -/* List with bindings of specific domains created by bindtextdomain() - calls. */ -struct binding *_nl_domain_bindings; - -/* Prototypes for local functions. */ -static char *plural_lookup PARAMS ((struct loaded_l10nfile *domain, - unsigned long int n, - const char *translation, - size_t translation_len)) - internal_function; -static unsigned long int plural_eval PARAMS ((struct expression *pexp, - unsigned long int n)) - internal_function; -static const char *category_to_name PARAMS ((int category)) internal_function; -static const char *guess_category_value PARAMS ((int category, - const char *categoryname)) - internal_function; - - -/* For those loosing systems which don't have `alloca' we have to add - some additional code emulating it. */ -#ifdef HAVE_ALLOCA -/* Nothing has to be done. */ -# define ADD_BLOCK(list, address) /* nothing */ -# define FREE_BLOCKS(list) /* nothing */ -#else -struct block_list -{ - void *address; - struct block_list *next; -}; -# define ADD_BLOCK(list, addr) \ - do { \ - struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \ - /* If we cannot get a free block we cannot add the new element to \ - the list. */ \ - if (newp != NULL) { \ - newp->address = (addr); \ - newp->next = (list); \ - (list) = newp; \ - } \ - } while (0) -# define FREE_BLOCKS(list) \ - do { \ - while (list != NULL) { \ - struct block_list *old = list; \ - list = list->next; \ - free (old); \ - } \ - } while (0) -# undef alloca -# define alloca(size) (malloc (size)) -#endif /* have alloca */ - - -#ifdef _LIBC -/* List of blocks allocated for translations. */ -typedef struct transmem_list -{ - struct transmem_list *next; - char data[ZERO]; -} transmem_block_t; -static struct transmem_list *transmem_list; -#else -typedef unsigned char transmem_block_t; -#endif - - -/* Names for the libintl functions are a problem. They must not clash - with existing names and they should follow ANSI C. But this source - code is also used in GNU C Library where the names have a __ - prefix. So we have to make a difference here. */ -#ifdef _LIBC -# define DCIGETTEXT __dcigettext -#else -# define DCIGETTEXT dcigettext__ -#endif - -/* Lock variable to protect the global data in the gettext implementation. */ -#ifdef _LIBC -__libc_rwlock_define_initialized (, _nl_state_lock) -#endif - -/* Checking whether the binaries runs SUID must be done and glibc provides - easier methods therefore we make a difference here. */ -#ifdef _LIBC -# define ENABLE_SECURE __libc_enable_secure -# define DETERMINE_SECURE -#else -# ifndef HAVE_GETUID -# define getuid() 0 -# endif -# ifndef HAVE_GETGID -# define getgid() 0 -# endif -# ifndef HAVE_GETEUID -# define geteuid() getuid() -# endif -# ifndef HAVE_GETEGID -# define getegid() getgid() -# endif -static int enable_secure; -# define ENABLE_SECURE (enable_secure == 1) -# define DETERMINE_SECURE \ - if (enable_secure == 0) \ - { \ - if (getuid () != geteuid () || getgid () != getegid ()) \ - enable_secure = 1; \ - else \ - enable_secure = -1; \ - } -#endif - -/* 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. */ -char * -DCIGETTEXT (domainname, msgid1, msgid2, plural, n, category) - const char *domainname; - const char *msgid1; - const char *msgid2; - int plural; - unsigned long int n; - int category; -{ -#ifndef HAVE_ALLOCA - struct block_list *block_list = NULL; -#endif - struct loaded_l10nfile *domain; - struct binding *binding; - const char *categoryname; - const char *categoryvalue; - char *dirname, *xdomainname; - char *single_locale; - char *retval; - size_t retlen; - int saved_errno; -#if defined HAVE_TSEARCH || defined _LIBC - struct known_translation_t *search; - struct known_translation_t **foundp = NULL; - size_t msgid_len; -#endif - size_t domainname_len; - - /* If no real MSGID is given return NULL. */ - if (msgid1 == NULL) - return NULL; - - __libc_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 - definition left this undefined. */ - if (domainname == NULL) - domainname = _nl_current_default_domain; - -#if defined HAVE_TSEARCH || defined _LIBC - msgid_len = strlen (msgid1) + 1; - - /* Try to find the translation among those which we found at - some time. */ - 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->category = category; - - foundp = (struct known_translation_t **) tfind (search, &root, transcmp); - if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr) - { - /* Now deal with plural. */ - if (plural) - retval = plural_lookup ((*foundp)->domain, n, (*foundp)->translation, - (*foundp)->translation_length); - else - retval = (char *) (*foundp)->translation; - - __libc_rwlock_unlock (_nl_state_lock); - return retval; - } -#endif - - /* Preserve the `errno' value. */ - saved_errno = errno; - - /* See whether this is a SUID binary or not. */ - DETERMINE_SECURE; - - /* First find matching binding. */ - for (binding = _nl_domain_bindings; binding != NULL; binding = binding->next) - { - int compare = strcmp (domainname, binding->domainname); - if (compare == 0) - /* We found it! */ - break; - if (compare < 0) - { - /* It is not in the list. */ - binding = NULL; - break; - } - } - - if (binding == NULL) - dirname = (char *) _nl_default_dirname; - else if (IS_ABSOLUTE_PATH (binding->dirname)) - dirname = binding->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; - - 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); - - __set_errno (0); - ret = getcwd (dirname, path_max); - if (ret != NULL || errno != ERANGE) - break; - - 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. */ - FREE_BLOCKS (block_list); - __libc_rwlock_unlock (_nl_state_lock); - __set_errno (saved_errno); - return (plural == 0 - ? (char *) msgid1 - /* Use the Germanic plural rule. */ - : n == 1 ? (char *) msgid1 : (char *) msgid2); - } - - stpcpy (stpcpy (strchr (dirname, '\0'), "/"), binding->dirname); - } - - /* Now determine the symbolic name of CATEGORY and its value. */ - categoryname = category_to_name (category); - categoryvalue = guess_category_value (category, categoryname); - - domainname_len = strlen (domainname); - xdomainname = (char *) alloca (strlen (categoryname) - + domainname_len + 5); - ADD_BLOCK (block_list, xdomainname); - - stpcpy (mempcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"), - domainname, domainname_len), - ".mo"); - - /* Creating working area. */ - single_locale = (char *) alloca (strlen (categoryvalue) + 1); - ADD_BLOCK (block_list, single_locale); - - - /* Search for the given string. This is a loop because we perhaps - got an ordered list of languages to consider for the translation. */ - while (1) - { - /* Make CATEGORYVALUE point to the next element of the list. */ - while (categoryvalue[0] != '\0' && categoryvalue[0] == ':') - ++categoryvalue; - if (categoryvalue[0] == '\0') - { - /* The whole contents of CATEGORYVALUE has been searched but - no valid entry has been found. We solve this situation - by implicitly appending a "C" entry, i.e. no translation - will take place. */ - single_locale[0] = 'C'; - single_locale[1] = '\0'; - } - else - { - char *cp = single_locale; - while (categoryvalue[0] != '\0' && categoryvalue[0] != ':') - *cp++ = *categoryvalue++; - *cp = '\0'; - - /* When this is a SUID binary we must not allow accessing files - outside the dedicated directories. */ - if (ENABLE_SECURE && IS_PATH_WITH_DIR (single_locale)) - /* Ingore this entry. */ - continue; - } - - /* If the current locale value is C (or POSIX) we don't load a - domain. Return the MSGID. */ - if (strcmp (single_locale, "C") == 0 - || strcmp (single_locale, "POSIX") == 0) - { - FREE_BLOCKS (block_list); - __libc_rwlock_unlock (_nl_state_lock); - __set_errno (saved_errno); - return (plural == 0 - ? (char *) msgid1 - /* Use the Germanic plural rule. */ - : n == 1 ? (char *) msgid1 : (char *) msgid2); - } - - - /* Find structure describing the message catalog matching the - DOMAINNAME and CATEGORY. */ - domain = _nl_find_domain (dirname, single_locale, xdomainname, binding); - - if (domain != NULL) - { - retval = _nl_find_msg (domain, binding, msgid1, &retlen); - - if (retval == NULL) - { - int cnt; - - for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) - { - retval = _nl_find_msg (domain->successor[cnt], binding, - msgid1, &retlen); - - if (retval != NULL) - { - domain = domain->successor[cnt]; - break; - } - } - } - - if (retval != NULL) - { - /* Found the translation of MSGID1 in domain DOMAIN: - starting at RETVAL, RETLEN bytes. */ - FREE_BLOCKS (block_list); - __set_errno (saved_errno); -#if defined HAVE_TSEARCH || defined _LIBC - if (foundp == NULL) - { - /* Create a new entry and add it to the search tree. */ - struct known_translation_t *newp; - - newp = (struct known_translation_t *) - malloc (offsetof (struct known_translation_t, msgid) - + msgid_len + domainname_len + 1); - if (newp != NULL) - { - newp->domainname = - mempcpy (newp->msgid, msgid1, msgid_len); - memcpy (newp->domainname, domainname, domainname_len + 1); - newp->category = category; - newp->counter = _nl_msg_cat_cntr; - newp->domain = domain; - newp->translation = retval; - newp->translation_length = retlen; - - /* Insert the entry in the search tree. */ - foundp = (struct known_translation_t **) - tsearch (newp, &root, transcmp); - if (foundp == NULL - || __builtin_expect (*foundp != newp, 0)) - /* The insert failed. */ - free (newp); - } - } - else - { - /* We can update the existing entry. */ - (*foundp)->counter = _nl_msg_cat_cntr; - (*foundp)->domain = domain; - (*foundp)->translation = retval; - (*foundp)->translation_length = retlen; - } -#endif - /* Now deal with plural. */ - if (plural) - retval = plural_lookup (domain, n, retval, retlen); - - __libc_rwlock_unlock (_nl_state_lock); - return retval; - } - } - } - /* NOTREACHED */ -} - - -char * -internal_function -_nl_find_msg (domain_file, domainbinding, msgid, lengthp) - struct loaded_l10nfile *domain_file; - struct binding *domainbinding; - const char *msgid; - size_t *lengthp; -{ - struct loaded_domain *domain; - size_t act; - char *result; - size_t resultlen; - - if (domain_file->decided == 0) - _nl_load_domain (domain_file, domainbinding); - - if (domain_file->data == NULL) - return NULL; - - domain = (struct loaded_domain *) domain_file->data; - - /* Locate the MSGID and its translation. */ - if (domain->hash_size > 2 && domain->hash_tab != NULL) - { - /* Use the hashing table. */ - nls_uint32 len = strlen (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)); - - while (1) - { - nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]); - - if (nstr == 0) - /* Hash table entry is empty. */ - return NULL; - - /* Compare msgid with the original string at index nstr-1. - We compare the lengths with >=, not ==, because plural entries - are represented by strings with an embedded NUL. */ - if (W (domain->must_swap, domain->orig_tab[nstr - 1].length) >= len - && (strcmp (msgid, - domain->data + W (domain->must_swap, - domain->orig_tab[nstr - 1].offset)) - == 0)) - { - act = nstr - 1; - goto found; - } - - if (idx >= domain->hash_size - incr) - idx -= domain->hash_size - incr; - else - idx += incr; - } - /* NOTREACHED */ - } - else - { - /* Try the default method: binary search in the sorted array of - messages. */ - size_t top, bottom; - - bottom = 0; - top = domain->nstrings; - while (bottom < top) - { - int cmp_val; - - act = (bottom + top) / 2; - cmp_val = strcmp (msgid, (domain->data - + W (domain->must_swap, - domain->orig_tab[act].offset))); - if (cmp_val < 0) - top = act; - else if (cmp_val > 0) - bottom = act + 1; - else - goto found; - } - /* No translation was found. */ - return NULL; - } - - found: - /* The translation was found at index ACT. If we have to convert the - string to use a different character set, this is the time. */ - result = ((char *) domain->data - + W (domain->must_swap, domain->trans_tab[act].offset)); - resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1; - -#if defined _LIBC || HAVE_ICONV - if (domain->codeset_cntr - != (domainbinding != NULL ? domainbinding->codeset_cntr : 0)) - { - /* 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); - } - - if ( -# ifdef _LIBC - domain->conv != (__gconv_t) -1 -# else -# if HAVE_ICONV - domain->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 (domain->nstrings, - 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) - { - /* 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; - - const unsigned char *inbuf; - unsigned char *outbuf; - int malloc_count; -# ifndef _LIBC - transmem_block_t *transmem_list = NULL; -# endif - - __libc_lock_lock (lock); - - inbuf = (const unsigned char *) result; - outbuf = freemem + sizeof (size_t); - - malloc_count = 0; - while (1) - { - transmem_block_t *newmem; -# ifdef _LIBC - size_t non_reversible; - int res; - - 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); - - if (res == __GCONV_OK || res == __GCONV_EMPTY_INPUT) - break; - - if (res != __GCONV_FULL_OUTPUT) - { - __libc_lock_unlock (lock); - goto converted; - } - - inbuf = 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; - } -# 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); -# ifdef _LIBC - if (newmem != NULL) - transmem_list = transmem_list->next; - else - { - struct transmem_list *old = transmem_list; - - transmem_list = transmem_list->next; - free (old); - } -# 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; - - freemem = newmem->data; - freemem_size -= offsetof (struct transmem_list, data); -# else - transmem_list = newmem; - freemem = newmem; -# endif - - 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); - 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 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 */ - - *lengthp = resultlen; - return result; -} - - -/* Look up a plural variant. */ -static char * -internal_function -plural_lookup (domain, n, translation, translation_len) - struct loaded_l10nfile *domain; - unsigned long int n; - const char *translation; - size_t translation_len; -{ - struct loaded_domain *domaindata = (struct loaded_domain *) domain->data; - unsigned long int index; - const char *p; - - index = plural_eval (domaindata->plural, n); - if (index >= domaindata->nplurals) - /* This should never happen. It means the plural expression and the - given maximum value do not match. */ - index = 0; - - /* Skip INDEX strings at TRANSLATION. */ - p = translation; - while (index-- > 0) - { -#ifdef _LIBC - p = __rawmemchr (p, '\0'); -#else - p = strchr (p, '\0'); -#endif - /* And skip over the NUL byte. */ - p++; - - if (p >= translation + translation_len) - /* This should never happen. It means the plural expression - evaluated to a value larger than the number of variants - available for MSGID1. */ - return (char *) translation; - } - return (char *) p; -} - - -/* Function to evaluate the plural expression and return an index value. */ -static unsigned long int -internal_function -plural_eval (pexp, n) - struct expression *pexp; - unsigned long int n; -{ - switch (pexp->nargs) - { - case 0: - switch (pexp->operation) - { - case var: - return n; - case num: - return pexp->val.num; - default: - break; - } - /* NOTREACHED */ - break; - case 1: - { - /* pexp->operation must be lnot. */ - unsigned long int arg = plural_eval (pexp->val.args[0], n); - return ! arg; - } - case 2: - { - unsigned long int leftarg = plural_eval (pexp->val.args[0], n); - if (pexp->operation == lor) - return leftarg || plural_eval (pexp->val.args[1], n); - else if (pexp->operation == land) - return leftarg && plural_eval (pexp->val.args[1], n); - else - { - unsigned long int rightarg = plural_eval (pexp->val.args[1], n); - - switch (pexp->operation) - { - case mult: - return leftarg * rightarg; - case divide: - return leftarg / rightarg; - case module: - return leftarg % rightarg; - case plus: - return leftarg + rightarg; - case minus: - return leftarg - rightarg; - case less_than: - return leftarg < rightarg; - case greater_than: - return leftarg > rightarg; - case less_or_equal: - return leftarg <= rightarg; - case greater_or_equal: - return leftarg >= rightarg; - case equal: - return leftarg == rightarg; - case not_equal: - return leftarg != rightarg; - default: - break; - } - } - /* NOTREACHED */ - break; - } - case 3: - { - /* pexp->operation must be qmop. */ - unsigned long int boolarg = plural_eval (pexp->val.args[0], n); - return plural_eval (pexp->val.args[boolarg ? 1 : 2], n); - } - } - /* NOTREACHED */ - return 0; -} - - -/* Return string representation of locale CATEGORY. */ -static const char * -internal_function -category_to_name (category) - int category; -{ - const char *retval; - - switch (category) - { -#ifdef LC_COLLATE - case LC_COLLATE: - retval = "LC_COLLATE"; - break; -#endif -#ifdef LC_CTYPE - case LC_CTYPE: - retval = "LC_CTYPE"; - break; -#endif -#ifdef LC_MONETARY - case LC_MONETARY: - retval = "LC_MONETARY"; - break; -#endif -#ifdef LC_NUMERIC - case LC_NUMERIC: - retval = "LC_NUMERIC"; - break; -#endif -#ifdef LC_TIME - case LC_TIME: - retval = "LC_TIME"; - break; -#endif -#ifdef LC_MESSAGES - case LC_MESSAGES: - retval = "LC_MESSAGES"; - break; -#endif -#ifdef LC_RESPONSE - case LC_RESPONSE: - retval = "LC_RESPONSE"; - break; -#endif -#ifdef LC_ALL - case LC_ALL: - /* This might not make sense but is perhaps better than any other - value. */ - retval = "LC_ALL"; - break; -#endif - default: - /* If you have a better idea for a default value let me know. */ - retval = "LC_XXX"; - } - - return retval; -} - -/* Guess value of current locale from value of the environment variables. */ -static const char * -internal_function -guess_category_value (category, categoryname) - int category; - const char *categoryname; -{ - 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; - - /* We have to proceed with the POSIX methods of looking to `LC_ALL', - `LC_xxx', and `LANG'. On some systems this can be done by the - `setlocale' function itself. */ -#if defined _LIBC || (defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL) - retval = setlocale (category, NULL); -#else - /* Setting of LC_ALL overwrites all other. */ - retval = getenv ("LC_ALL"); - if (retval == NULL || retval[0] == '\0') - { - /* Next comes the name of the desired category. */ - retval = getenv (categoryname); - if (retval == NULL || retval[0] == '\0') - { - /* Last possibility is the LANG environment variable. */ - retval = getenv ("LANG"); - if (retval == NULL || retval[0] == '\0') - /* We use C as the default domain. POSIX says this is - implementation defined. */ - return "C"; - } - } -#endif - - return language != NULL && strcmp (retval, "C") != 0 ? language : retval; -} - -/* @@ begin of epilog @@ */ - -/* We don't want libintl.a to depend on any other library. So we - avoid the non-standard function stpcpy. In GNU C Library this - function is available, though. Also allow the symbol HAVE_STPCPY - to be defined. */ -#if !_LIBC && !HAVE_STPCPY -static char * -stpcpy (dest, src) - char *dest; - const char *src; -{ - while ((*dest++ = *src++) != '\0') - /* Do nothing. */ ; - return dest - 1; -} -#endif - -#if !_LIBC && !HAVE_MEMPCPY -static void * -mempcpy (dest, src, n) - void *dest; - const void *src; - size_t n; -{ - return (void *) ((char *) memcpy (dest, src, n) + n); -} -#endif - - -#ifdef _LIBC -/* If we want to free all resources we have to do some work at - program's end. */ -static void __attribute__ ((unused)) -free_mem (void) -{ - void *old; - - while (_nl_domain_bindings != NULL) - { - struct binding *oldp = _nl_domain_bindings; - _nl_domain_bindings = _nl_domain_bindings->next; - if (oldp->dirname != _nl_default_dirname) - /* Yes, this is a pointer comparison. */ - free (oldp->dirname); - free (oldp->codeset); - free (oldp); - } - - if (_nl_current_default_domain != _nl_default_default_domain) - /* Yes, again a pointer comparison. */ - free ((char *) _nl_current_default_domain); - - /* Remove the search tree with the known translations. */ - __tdestroy (root, free); - root = NULL; - - while (transmem_list != NULL) - { - old = transmem_list; - transmem_list = transmem_list->next; - free (old); - } -} - -text_set_element (__libc_subfreeres, free_mem); -#endif |