--- /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 / silc.git / blobdiff