diff options
Diffstat (limited to 'intl/dcgettext.c')
| -rw-r--r-- | intl/dcgettext.c | 624 |
1 files changed, 0 insertions, 624 deletions
diff --git a/intl/dcgettext.c b/intl/dcgettext.c deleted file mode 100644 index c4c7a2c7..00000000 --- a/intl/dcgettext.c +++ /dev/null @@ -1,624 +0,0 @@ -/* Implementation of the dcgettext(3) function. - Copyright (C) 1995, 1996, 1997, 1998 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. */ - -#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 - -#if defined STDC_HEADERS || defined _LIBC -# include <stdlib.h> -#else -char *getenv (); -# ifdef HAVE_MALLOC_H -# include <malloc.h> -# else -void free (); -# endif -#endif - -#if defined HAVE_STRING_H || defined _LIBC -# ifndef _GNU_SOURCE -# define _GNU_SOURCE 1 -# endif -# include <string.h> -#else -# include <strings.h> -#endif -#if !HAVE_STRCHR && !defined _LIBC -# ifndef strchr -# define strchr index -# endif -#endif - -#if defined HAVE_UNISTD_H || defined _LIBC -# include <unistd.h> -#endif - -#include "gettext.h" -#include "gettextP.h" -#ifdef _LIBC -# include <libintl.h> -#else -# include "libgettext.h" -#endif -#include "hash-string.h" - -/* @@ 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 -#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 -#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 - -/* 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. And even worse: POSIX - defines this not at all. So we can use this feature only on selected - system (e.g. those using GNU C Library). */ -#ifdef _LIBC -# define HAVE_LOCALE_NULL -#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[] = GNULOCALEDIR; - -/* List with bindings of specific domains created by bindtextdomain() - calls. */ -struct binding *_nl_domain_bindings; - -/* Prototypes for local functions. */ -static char *find_msg PARAMS ((struct loaded_l10nfile *domain_file, - const char *msgid)) 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 */ - - -/* 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 DCGETTEXT __dcgettext -#else -# define DCGETTEXT dcgettext__ -#endif - -/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY - locale. */ -char * -DCGETTEXT (domainname, msgid, category) - const char *domainname; - const char *msgid; - 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; - int saved_errno = errno; - - /* If no real MSGID is given return NULL. */ - if (msgid == NULL) - return NULL; - - /* 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 - defintion left this undefined. */ - if (domainname == NULL) - domainname = _nl_current_default_domain; - - /* 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 (binding->dirname[0] == '/') - 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) PATH_MAX; - path_max += 2; /* The getcwd docs say to do this. */ - - dirname = (char *) alloca (path_max + dirname_len); - ADD_BLOCK (block_list, dirname); - - __set_errno (0); - while ((ret = getcwd (dirname, path_max)) == NULL && errno == ERANGE) - { - path_max += PATH_INCR; - dirname = (char *) alloca (path_max + dirname_len); - ADD_BLOCK (block_list, dirname); - __set_errno (0); - } - - 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); - __set_errno (saved_errno); - return (char *) msgid; - } - - 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); - - xdomainname = (char *) alloca (strlen (categoryname) - + strlen (domainname) + 5); - ADD_BLOCK (block_list, xdomainname); - - stpcpy (stpcpy (stpcpy (stpcpy (xdomainname, categoryname), "/"), - domainname), - ".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 th 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'; - } - - /* 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); - __set_errno (saved_errno); - return (char *) msgid; - } - - - /* Find structure describing the message catalog matching the - DOMAINNAME and CATEGORY. */ - domain = _nl_find_domain (dirname, single_locale, xdomainname); - - if (domain != NULL) - { - retval = find_msg (domain, msgid); - - if (retval == NULL) - { - int cnt; - - for (cnt = 0; domain->successor[cnt] != NULL; ++cnt) - { - retval = find_msg (domain->successor[cnt], msgid); - - if (retval != NULL) - break; - } - } - - if (retval != NULL) - { - FREE_BLOCKS (block_list); - __set_errno (saved_errno); - return retval; - } - } - } - /* NOTREACHED */ -} - -#ifdef _LIBC -/* Alias for function name in GNU C Library. */ -weak_alias (__dcgettext, dcgettext); -#endif - - -static char * -internal_function -find_msg (domain_file, msgid) - struct loaded_l10nfile *domain_file; - const char *msgid; -{ - size_t top, act, bottom; - struct loaded_domain *domain; - - if (domain_file->decided == 0) - _nl_load_domain (domain_file); - - 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)); - nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]); - - if (nstr == 0) - /* Hash table entry is empty. */ - return NULL; - - 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) - return (char *) domain->data + W (domain->must_swap, - domain->trans_tab[nstr - 1].offset); - - while (1) - { - if (idx >= domain->hash_size - incr) - idx -= domain->hash_size - incr; - else - idx += incr; - - nstr = W (domain->must_swap, domain->hash_tab[idx]); - if (nstr == 0) - /* Hash table entry is empty. */ - return NULL; - - 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) - return (char *) domain->data - + W (domain->must_swap, domain->trans_tab[nstr - 1].offset); - } - /* NOTREACHED */ - } - - /* Now we try the default method: binary search in the sorted - array of messages. */ - 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 - break; - } - - /* If an translation is found return this. */ - return bottom >= top ? NULL : (char *) domain->data - + W (domain->must_swap, - domain->trans_tab[act].offset); -} - - -/* 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 *retval; - - /* The highest priority value is the `LANGUAGE' environment - variable. This is a GNU extension. */ - retval = getenv ("LANGUAGE"); - if (retval != NULL && retval[0] != '\0') - return retval; - - /* `LANGUAGE' is not set. So 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 HAVE_SETLOCALE && defined HAVE_LC_MESSAGES && defined HAVE_LOCALE_NULL - return setlocale (category, NULL); -#else - /* Setting of LC_ALL overwrites all other. */ - retval = getenv ("LC_ALL"); - if (retval != NULL && retval[0] != '\0') - return retval; - - /* Next comes the name of the desired category. */ - retval = getenv (categoryname); - if (retval != NULL && retval[0] != '\0') - return retval; - - /* Last possibility is the LANG environment variable. */ - retval = getenv ("LANG"); - if (retval != NULL && retval[0] != '\0') - return retval; - - /* We use C as the default domain. POSIX says this is implementation - defined. */ - return "C"; -#endif -} - -/* @@ 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 - - -#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) -{ - struct binding *runp; - - for (runp = _nl_domain_bindings; runp != NULL; runp = runp->next) - { - free (runp->domainname); - if (runp->dirname != _nl_default_dirname) - /* Yes, this is a pointer comparison. */ - free (runp->dirname); - } - - if (_nl_current_default_domain != _nl_default_default_domain) - /* Yes, again a pointer comparison. */ - free ((char *) _nl_current_default_domain); -} - -text_set_element (__libc_subfreeres, free_mem); -#endif |