/* Implementation of the internal dcigettext function.
- Copyright (C) 1995-1999, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1995-1999, 2000-2003 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)
+ This program is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Library 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.
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library 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. */
+ You should have received a copy of the GNU Library 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
# define alloca __builtin_alloca
# define HAVE_ALLOCA 1
#else
-# if defined HAVE_ALLOCA_H || defined _LIBC
-# include <alloca.h>
+# ifdef _MSC_VER
+# include <malloc.h>
+# define alloca _alloca
# else
-# ifdef _AIX
- #pragma alloca
+# if defined HAVE_ALLOCA_H || defined _LIBC
+# include <alloca.h>
# else
-# ifndef alloca
+# ifdef _AIX
+ #pragma alloca
+# else
+# ifndef alloca
char *alloca ();
+# endif
# endif
# endif
# 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>
#include <locale.h>
+#ifdef _LIBC
+ /* Guess whether integer division by zero raises signal SIGFPE.
+ Set to 1 only if you know for sure. In case of doubt, set to 0. */
+# if defined __alpha__ || defined __arm__ || defined __i386__ \
+ || defined __m68k__ || defined __s390__
+# define INTDIV0_RAISES_SIGFPE 1
+# else
+# define INTDIV0_RAISES_SIGFPE 0
+# endif
+#endif
+#if !INTDIV0_RAISES_SIGFPE
+# include <signal.h>
+#endif
+
#if defined HAVE_SYS_PARAM_H || defined _LIBC
# include <sys/param.h>
#endif
#include "gettextP.h"
+#include "plural-exp.h"
#ifdef _LIBC
# include <libintl.h>
#else
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__
+# define _nl_default_default_domain libintl_nl_default_default_domain
+# define _nl_current_default_domain libintl_nl_current_default_domain
+# define _nl_default_dirname libintl_nl_default_dirname
+# define _nl_domain_bindings libintl_nl_domain_bindings
#endif
/* Some compilers, like SunOS4 cc, don't have offsetof in <stddef.h>. */
# 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
}
#endif
+#ifndef INTVARDEF
+# define INTVARDEF(name)
+#endif
+#ifndef INTUSE
+# define INTUSE(name) name
+#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";
+const char _nl_default_default_domain[] attribute_hidden = "messages";
/* Value used as the default domain for gettext(3). */
-const char *_nl_current_default_domain = _nl_default_default_domain;
+const char *_nl_current_default_domain attribute_hidden
+ = _nl_default_default_domain;
/* Contains the default location of the message catalogs. */
+#if defined __EMX__
+extern const char _nl_default_dirname[];
+#else
const char _nl_default_dirname[] = LOCALEDIR;
+INTVARDEF (_nl_default_dirname)
+#endif
/* List with bindings of specific domains created by bindtextdomain()
calls. */
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;
+#ifdef _LIBC
+# include "../locale/localeinfo.h"
+# define category_to_name(category) _nl_category_names[category]
+#else
+static const char *category_to_name PARAMS ((int category)) internal_function;
+#endif
/* 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 freea(p) /* nothing */
# define ADD_BLOCK(list, address) /* nothing */
# define FREE_BLOCKS(list) /* nothing */
#else
while (list != NULL) { \
struct block_list *old = list; \
list = list->next; \
+ free (old->address); \
free (old); \
} \
} while (0)
# undef alloca
# define alloca(size) (malloc (size))
+# define freea(p) free (p)
#endif /* have alloca */
#ifdef _LIBC
# define DCIGETTEXT __dcigettext
#else
-# define DCIGETTEXT dcigettext__
+# define DCIGETTEXT libintl_dcigettext
#endif
/* Lock variable to protect the global data in the gettext implementation. */
#ifdef _LIBC
-__libc_rwlock_define_initialized (, _nl_state_lock)
+__libc_rwlock_define_initialized (, _nl_state_lock attribute_hidden)
#endif
/* Checking whether the binaries runs SUID must be done and glibc provides
}
#endif
+/* Get the function to evaluate the plural expression. */
+#include "eval-plural.h"
+
/* 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. */
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
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;
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 (binding == NULL)
- dirname = (char *) _nl_default_dirname;
+ dirname = (char *) INTUSE(_nl_default_dirname);
else if (IS_ABSOLUTE_PATH (binding->dirname))
dirname = binding->dirname;
else
}
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);
- }
+ /* 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);
}
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);
- }
-
+ break;
/* Find structure describing the message catalog matching the
DOMAINNAME and CATEGORY. */
/* 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)
{
(*foundp)->translation_length = retlen;
}
#endif
+ __set_errno (saved_errno);
+
/* Now deal with plural. */
if (plural)
retval = plural_lookup (domain, n, retval, retlen);
}
}
}
- /* NOTREACHED */
+
+ return_untranslated:
+ /* Return the untranslated MSGID. */
+ FREE_BLOCKS (block_list);
+ __libc_rwlock_unlock (_nl_state_lock);
+#ifndef _LIBC
+ if (!ENABLE_SECURE)
+ {
+ extern void _nl_log_untranslated PARAMS ((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
+ __set_errno (saved_errno);
+ return (plural == 0
+ ? (char *) msgid1
+ /* Use the Germanic plural rule. */
+ : n == 1 ? (char *) msgid1 : (char *) msgid2);
}
size_t *lengthp;
{
struct loaded_domain *domain;
+ nls_uint32 nstrings;
size_t act;
char *result;
size_t resultlen;
domain = (struct loaded_domain *) domain_file->data;
+ nstrings = domain->nstrings;
+
/* Locate the MSGID and its translation. */
- if (domain->hash_size > 2 && domain->hash_tab != NULL)
+ if (domain->hash_tab != NULL)
{
/* Use the hashing table. */
nls_uint32 len = strlen (msgid);
while (1)
{
- nls_uint32 nstr = W (domain->must_swap, domain->hash_tab[idx]);
+ nls_uint32 nstr =
+ W (domain->must_swap_hash_tab, domain->hash_tab[idx]);
if (nstr == 0)
/* Hash table entry is empty. */
return NULL;
- /* Compare msgid with the original string at index nstr-1.
+ 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 (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))
+ 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 - 1;
+ act = nstr;
goto found;
}
size_t top, bottom;
bottom = 0;
- top = domain->nstrings;
+ top = nstrings;
while (bottom < top)
{
int cmp_val;
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 (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
NULs. */
if (domain->conv_tab == NULL
- && ((domain->conv_tab = (char **) calloc (domain->nstrings,
- sizeof (char *)))
+ && ((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;
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;
-}
-
-
+#ifndef _LIBC
/* Return string representation of locale CATEGORY. */
static const char *
internal_function
return retval;
}
+#endif
/* Guess value of current locale from value of the environment variables. */
static const char *
/* 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);
+#ifdef _LIBC
+ retval = __current_locale_name (category);
#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";
- }
- }
+ 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;
}
#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)
+libc_freeres_fn (free_mem)
{
void *old;
{
struct binding *oldp = _nl_domain_bindings;
_nl_domain_bindings = _nl_domain_bindings->next;
- if (oldp->dirname != _nl_default_dirname)
+ if (oldp->dirname != INTUSE(_nl_default_dirname))
/* Yes, this is a pointer comparison. */
free (oldp->dirname);
free (oldp->codeset);
free (old);
}
}
-
-text_set_element (__libc_subfreeres, free_mem);
#endif
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