+++ /dev/null
-/* 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 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 General Public License for more details.
-
- You should have received a copy of the GNU 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
projects / runtime.git / blobdiff