/* Implementation of the dcgettext(3) function.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+ 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
# 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"
+# include "libgnuintl.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
+# define DCIGETTEXT __dcigettext
#else
# define DCGETTEXT dcgettext__
+# define DCIGETTEXT dcigettext__
#endif
/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY
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 */
+ return DCIGETTEXT (domainname, msgid, NULL, 0, 0, category);
}
#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
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