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1223 lines
33 KiB
1223 lines
33 KiB
/* Implementation of the internal dcigettext function.
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Copyright (C) 1995-1999, 2000-2003 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Library General Public License as published
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by the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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USA. */
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/* Tell glibc's <string.h> to provide a prototype for mempcpy().
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This must come before <config.h> because <config.h> may include
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<features.h>, and once <features.h> has been included, it's too late. */
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE 1
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#endif
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include <sys/types.h>
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#ifdef __GNUC__
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# define alloca __builtin_alloca
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# define HAVE_ALLOCA 1
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#else
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# ifdef _MSC_VER
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# include <malloc.h>
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# define alloca _alloca
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# else
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# if defined HAVE_ALLOCA_H || defined _LIBC
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# include <alloca.h>
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# else
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# ifdef _AIX
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#pragma alloca
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# else
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# ifndef alloca
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char *alloca ();
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# endif
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# endif
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# endif
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# endif
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#endif
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#include <errno.h>
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#ifndef errno
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extern int errno;
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#endif
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#ifndef __set_errno
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# define __set_errno(val) errno = (val)
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#endif
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#if defined HAVE_UNISTD_H || defined _LIBC
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# include <unistd.h>
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#endif
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#include <locale.h>
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#ifdef _LIBC
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/* Guess whether integer division by zero raises signal SIGFPE.
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Set to 1 only if you know for sure. In case of doubt, set to 0. */
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# if defined __alpha__ || defined __arm__ || defined __i386__ \
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|| defined __m68k__ || defined __s390__
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# define INTDIV0_RAISES_SIGFPE 1
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# else
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# define INTDIV0_RAISES_SIGFPE 0
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# endif
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#endif
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#if !INTDIV0_RAISES_SIGFPE
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# include <signal.h>
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#endif
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#if defined HAVE_SYS_PARAM_H || defined _LIBC
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# include <sys/param.h>
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#endif
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#include "gettextP.h"
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#include "plural-exp.h"
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#ifdef _LIBC
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# include <libintl.h>
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#else
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# include "libgnuintl.h"
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#endif
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#include "hash-string.h"
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/* Thread safetyness. */
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#ifdef _LIBC
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# include <bits/libc-lock.h>
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#else
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/* Provide dummy implementation if this is outside glibc. */
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# define __libc_lock_define_initialized(CLASS, NAME)
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# define __libc_lock_lock(NAME)
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# define __libc_lock_unlock(NAME)
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# define __libc_rwlock_define_initialized(CLASS, NAME)
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# define __libc_rwlock_rdlock(NAME)
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# define __libc_rwlock_unlock(NAME)
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#endif
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/* Alignment of types. */
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#if defined __GNUC__ && __GNUC__ >= 2
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# define alignof(TYPE) __alignof__ (TYPE)
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#else
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# define alignof(TYPE) \
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((int) &((struct { char dummy1; TYPE dummy2; } *) 0)->dummy2)
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#endif
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/* The internal variables in the standalone libintl.a must have different
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names than the internal variables in GNU libc, otherwise programs
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using libintl.a cannot be linked statically. */
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#if !defined _LIBC
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# define _nl_default_default_domain libintl_nl_default_default_domain
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# define _nl_current_default_domain libintl_nl_current_default_domain
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# define _nl_default_dirname libintl_nl_default_dirname
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# define _nl_domain_bindings libintl_nl_domain_bindings
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#endif
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/* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */
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#ifndef offsetof
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# define offsetof(type,ident) ((size_t)&(((type*)0)->ident))
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#endif
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/* @@ end of prolog @@ */
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#ifdef _LIBC
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/* Rename the non ANSI C functions. This is required by the standard
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because some ANSI C functions will require linking with this object
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file and the name space must not be polluted. */
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# define getcwd __getcwd
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# ifndef stpcpy
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# define stpcpy __stpcpy
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# endif
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# define tfind __tfind
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#else
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# if !defined HAVE_GETCWD
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char *getwd ();
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# define getcwd(buf, max) getwd (buf)
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# else
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# if VMS
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# define getcwd(buf, max) (getcwd) (buf, max, 0)
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# else
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char *getcwd ();
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# endif
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# endif
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# ifndef HAVE_STPCPY
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#define stpcpy(dest, src) my_stpcpy(dest, src)
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static char *stpcpy (char *dest, const char *src);
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# endif
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# ifndef HAVE_MEMPCPY
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static void *mempcpy (void *dest, const void *src, size_t n);
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# endif
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#endif
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/* Amount to increase buffer size by in each try. */
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#define PATH_INCR 32
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/* The following is from pathmax.h. */
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/* Non-POSIX BSD systems might have gcc's limits.h, which doesn't define
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PATH_MAX but might cause redefinition warnings when sys/param.h is
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later included (as on MORE/BSD 4.3). */
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#if defined _POSIX_VERSION || (defined HAVE_LIMITS_H && !defined __GNUC__)
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# include <limits.h>
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#endif
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#ifndef _POSIX_PATH_MAX
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# define _POSIX_PATH_MAX 255
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#endif
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#if !defined PATH_MAX && defined _PC_PATH_MAX
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# define PATH_MAX (pathconf ("/", _PC_PATH_MAX) < 1 ? 1024 : pathconf ("/", _PC_PATH_MAX))
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#endif
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/* Don't include sys/param.h if it already has been. */
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#if defined HAVE_SYS_PARAM_H && !defined PATH_MAX && !defined MAXPATHLEN
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# include <sys/param.h>
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#endif
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#if !defined PATH_MAX && defined MAXPATHLEN
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# define PATH_MAX MAXPATHLEN
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#endif
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#ifndef PATH_MAX
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# define PATH_MAX _POSIX_PATH_MAX
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#endif
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/* Pathname support.
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ISSLASH(C) tests whether C is a directory separator character.
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IS_ABSOLUTE_PATH(P) tests whether P is an absolute path. If it is not,
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it may be concatenated to a directory pathname.
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IS_PATH_WITH_DIR(P) tests whether P contains a directory specification.
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*/
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#if defined _WIN32 || defined __WIN32__ || defined __EMX__ || defined __DJGPP__
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/* Win32, OS/2, DOS */
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# define ISSLASH(C) ((C) == '/' || (C) == '\\')
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# define HAS_DEVICE(P) \
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((((P)[0] >= 'A' && (P)[0] <= 'Z') || ((P)[0] >= 'a' && (P)[0] <= 'z')) \
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&& (P)[1] == ':')
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# define IS_ABSOLUTE_PATH(P) (ISSLASH ((P)[0]) || HAS_DEVICE (P))
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# define IS_PATH_WITH_DIR(P) \
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(strchr (P, '/') != NULL || strchr (P, '\\') != NULL || HAS_DEVICE (P))
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#else
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/* Unix */
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# define ISSLASH(C) ((C) == '/')
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# define IS_ABSOLUTE_PATH(P) ISSLASH ((P)[0])
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# define IS_PATH_WITH_DIR(P) (strchr (P, '/') != NULL)
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#endif
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/* This is the type used for the search tree where known translations
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are stored. */
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struct known_translation_t
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{
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/* Domain in which to search. */
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char *domainname;
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/* The category. */
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int category;
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/* State of the catalog counter at the point the string was found. */
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int counter;
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/* Catalog where the string was found. */
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struct loaded_l10nfile *domain;
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/* And finally the translation. */
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const char *translation;
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size_t translation_length;
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/* Pointer to the string in question. */
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char msgid[ZERO];
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};
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/* Root of the search tree with known translations. We can use this
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only if the system provides the `tsearch' function family. */
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#if defined HAVE_TSEARCH || defined _LIBC
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# include <search.h>
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static void *root;
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# ifdef _LIBC
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# define tsearch __tsearch
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# endif
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/* Function to compare two entries in the table of known translations. */
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static int
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transcmp (const void *p1, const void *p2)
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{
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const struct known_translation_t *s1;
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const struct known_translation_t *s2;
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int result;
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s1 = (const struct known_translation_t *) p1;
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s2 = (const struct known_translation_t *) p2;
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result = strcmp (s1->msgid, s2->msgid);
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if (result == 0)
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{
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result = strcmp (s1->domainname, s2->domainname);
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if (result == 0)
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/* We compare the category last (though this is the cheapest
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operation) since it is hopefully always the same (namely
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LC_MESSAGES). */
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result = s1->category - s2->category;
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}
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return result;
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}
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#endif
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#ifndef INTVARDEF
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# define INTVARDEF(name)
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#endif
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#ifndef INTUSE
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# define INTUSE(name) name
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#endif
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/* Name of the default domain used for gettext(3) prior any call to
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textdomain(3). The default value for this is "messages". */
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const char _nl_default_default_domain[] attribute_hidden = "messages";
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/* Value used as the default domain for gettext(3). */
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const char *_nl_current_default_domain attribute_hidden
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= _nl_default_default_domain;
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|
|
/* Contains the default location of the message catalogs. */
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#if defined __EMX__
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extern const char _nl_default_dirname[];
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#else
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const char _nl_default_dirname[] = LOCALEDIR;
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INTVARDEF (_nl_default_dirname)
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#endif
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/* List with bindings of specific domains created by bindtextdomain()
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calls. */
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struct binding *_nl_domain_bindings;
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/* Prototypes for local functions. */
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static char *plural_lookup (struct loaded_l10nfile *domain,
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unsigned long int n,
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const char *translation, size_t translation_len)
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internal_function;
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static const char *guess_category_value (int category,
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const char *categoryname)
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internal_function;
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#ifdef _LIBC
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# include "../locale/localeinfo.h"
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# define category_to_name(category) _nl_category_names[category]
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#else
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static const char *category_to_name (int category) internal_function;
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#endif
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|
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/* For those loosing systems which don't have `alloca' we have to add
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some additional code emulating it. */
|
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#ifdef HAVE_ALLOCA
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|
/* Nothing has to be done. */
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# define freea(p) /* nothing */
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# define ADD_BLOCK(list, address) /* nothing */
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# define FREE_BLOCKS(list) /* nothing */
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#else
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struct block_list
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|
{
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void *address;
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struct block_list *next;
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};
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# define ADD_BLOCK(list, addr) \
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do { \
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struct block_list *newp = (struct block_list *) malloc (sizeof (*newp)); \
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/* If we cannot get a free block we cannot add the new element to \
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the list. */ \
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if (newp != NULL) { \
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newp->address = (addr); \
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newp->next = (list); \
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(list) = newp; \
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} \
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} while (0)
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# define FREE_BLOCKS(list) \
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do { \
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while (list != NULL) { \
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struct block_list *old = list; \
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list = list->next; \
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free (old->address); \
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free (old); \
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} \
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} while (0)
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# undef alloca
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# define alloca(size) (malloc (size))
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# define freea(p) free (p)
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#endif /* have alloca */
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|
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#ifdef _LIBC
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|
/* List of blocks allocated for translations. */
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typedef struct transmem_list
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|
{
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struct transmem_list *next;
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char data[ZERO];
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} transmem_block_t;
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|
static struct transmem_list *transmem_list;
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|
#else
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typedef unsigned char transmem_block_t;
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#endif
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/* Names for the libintl functions are a problem. They must not clash
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with existing names and they should follow ANSI C. But this source
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|
code is also used in GNU C Library where the names have a __
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|
prefix. So we have to make a difference here. */
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|
#ifdef _LIBC
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# define DCIGETTEXT __dcigettext
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#else
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# define DCIGETTEXT libintl_dcigettext
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|
#endif
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|
|
/* Lock variable to protect the global data in the gettext implementation. */
|
|
#ifdef _LIBC
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|
__libc_rwlock_define_initialized (, _nl_state_lock attribute_hidden)
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|
#endif
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|
|
/* 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) \
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|
{ \
|
|
if (getuid () != geteuid () || getgid () != getegid ()) \
|
|
enable_secure = 1; \
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|
else \
|
|
enable_secure = -1; \
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|
}
|
|
#endif
|
|
|
|
/* Get the function to evaluate the plural expression. */
|
|
#include "eval-plural.h"
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|
|
|
/* 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 *
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|
DCIGETTEXT (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;
|
|
|
|
#ifdef _LIBC
|
|
if (category < 0 || category >= __LC_LAST || category == LC_ALL)
|
|
/* Bogus. */
|
|
return (plural == 0
|
|
? (char *) msgid1
|
|
/* Use the Germanic plural rule. */
|
|
: n == 1 ? (char *) msgid1 : (char *) msgid2);
|
|
#endif
|
|
|
|
__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;
|
|
|
|
/* OS/2 specific: backward compatibility with older libintl versions */
|
|
#ifdef LC_MESSAGES_COMPAT
|
|
if (category == LC_MESSAGES_COMPAT)
|
|
category = LC_MESSAGES;
|
|
#endif
|
|
|
|
#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);
|
|
freea (search);
|
|
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 *) INTUSE(_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. */
|
|
goto return_untranslated;
|
|
|
|
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))
|
|
/* Ignore 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)
|
|
break;
|
|
|
|
/* 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);
|
|
#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
|
|
__set_errno (saved_errno);
|
|
|
|
/* Now deal with plural. */
|
|
if (plural)
|
|
retval = plural_lookup (domain, n, retval, retlen);
|
|
|
|
__libc_rwlock_unlock (_nl_state_lock);
|
|
return retval;
|
|
}
|
|
}
|
|
}
|
|
|
|
return_untranslated:
|
|
/* Return the untranslated MSGID. */
|
|
FREE_BLOCKS (block_list);
|
|
__libc_rwlock_unlock (_nl_state_lock);
|
|
#if 0 /* Doesn't work with diet libc -- TYT */
|
|
#ifndef _LIBC
|
|
if (!ENABLE_SECURE)
|
|
{
|
|
extern void _nl_log_untranslated (const char *logfilename,
|
|
const char *domainname,
|
|
const char *msgid1, const char *msgid2,
|
|
int plural);
|
|
const char *logfilename = getenv ("GETTEXT_LOG_UNTRANSLATED");
|
|
|
|
if (logfilename != NULL && logfilename[0] != '\0')
|
|
_nl_log_untranslated (logfilename, domainname, msgid1, msgid2, plural);
|
|
}
|
|
#endif
|
|
#endif
|
|
__set_errno (saved_errno);
|
|
return (plural == 0
|
|
? (char *) msgid1
|
|
/* Use the Germanic plural rule. */
|
|
: n == 1 ? (char *) msgid1 : (char *) msgid2);
|
|
}
|
|
|
|
|
|
char *
|
|
internal_function
|
|
_nl_find_msg (struct loaded_l10nfile *domain_file,
|
|
struct binding *domainbinding, const char *msgid,
|
|
size_t *lengthp)
|
|
{
|
|
struct loaded_domain *domain;
|
|
nls_uint32 nstrings;
|
|
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;
|
|
|
|
nstrings = domain->nstrings;
|
|
|
|
/* Locate the MSGID and its translation. */
|
|
if (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_hash_tab, domain->hash_tab[idx]);
|
|
|
|
if (nstr == 0)
|
|
/* Hash table entry is empty. */
|
|
return NULL;
|
|
|
|
nstr--;
|
|
|
|
/* Compare msgid with the original string at index nstr.
|
|
We compare the lengths with >=, not ==, because plural entries
|
|
are represented by strings with an embedded NUL. */
|
|
if (nstr < nstrings
|
|
? W (domain->must_swap, domain->orig_tab[nstr].length) >= len
|
|
&& (strcmp (msgid,
|
|
domain->data + W (domain->must_swap,
|
|
domain->orig_tab[nstr].offset))
|
|
== 0)
|
|
: domain->orig_sysdep_tab[nstr - nstrings].length > len
|
|
&& (strcmp (msgid,
|
|
domain->orig_sysdep_tab[nstr - nstrings].pointer)
|
|
== 0))
|
|
{
|
|
act = nstr;
|
|
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 = 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. */
|
|
if (act < nstrings)
|
|
{
|
|
result = (char *)
|
|
(domain->data + W (domain->must_swap, domain->trans_tab[act].offset));
|
|
resultlen = W (domain->must_swap, domain->trans_tab[act].length) + 1;
|
|
}
|
|
else
|
|
{
|
|
result = (char *) domain->trans_sysdep_tab[act - nstrings].pointer;
|
|
resultlen = domain->trans_sysdep_tab[act - nstrings].length;
|
|
}
|
|
|
|
#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 (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)
|
|
{
|
|
/* 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 (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;
|
|
}
|
|
|
|
#ifndef _LIBC
|
|
/* Return string representation of locale CATEGORY. */
|
|
static const char *
|
|
internal_function
|
|
category_to_name (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;
|
|
}
|
|
#endif
|
|
|
|
/* Guess value of current locale from value of the environment variables. */
|
|
static const char *
|
|
internal_function
|
|
guess_category_value (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. */
|
|
#ifdef _LIBC
|
|
retval = __current_locale_name (category);
|
|
#else
|
|
retval = _nl_locale_name (category, categoryname);
|
|
#endif
|
|
|
|
/* Ignore LANGUAGE 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 (because other iconv()s refuse to convert most non-ASCII
|
|
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;
|
|
}
|
|
|
|
/* @@ 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 (char *dest, const char *src)
|
|
{
|
|
while ((*dest++ = *src++) != '\0')
|
|
/* Do nothing. */ ;
|
|
return dest - 1;
|
|
}
|
|
#endif
|
|
|
|
#if !_LIBC && !HAVE_MEMPCPY
|
|
static void *
|
|
mempcpy (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. */
|
|
libc_freeres_fn (free_mem)
|
|
{
|
|
void *old;
|
|
|
|
while (_nl_domain_bindings != NULL)
|
|
{
|
|
struct binding *oldp = _nl_domain_bindings;
|
|
_nl_domain_bindings = _nl_domain_bindings->next;
|
|
if (oldp->dirname != INTUSE(_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);
|
|
}
|
|
}
|
|
#endif
|