1163 lines
30 KiB
C
1163 lines
30 KiB
C
/* Implementation of the internal dcigettext function.
|
|
Copyright (C) 1995-1999, 2000 Free Software Foundation, Inc.
|
|
|
|
The GNU C Library 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 of the
|
|
License, or (at your option) any later version.
|
|
|
|
The GNU C Library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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>
|
|
|
|
#if defined __GNUC__ && !defined C_ALLOCA
|
|
# define alloca __builtin_alloca
|
|
# define HAVE_ALLOCA 1
|
|
#else
|
|
# if (defined HAVE_ALLOCA_H || defined _LIBC) && !defined C_ALLOCA
|
|
# 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 <stddef.h>
|
|
# 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
|
|
# 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
|
|
|
|
#if defined HAVE_LOCALE_H || defined _LIBC
|
|
# include <locale.h>
|
|
#endif
|
|
|
|
#if defined HAVE_SYS_PARAM_H || defined _LIBC
|
|
# include <sys/param.h>
|
|
#endif
|
|
|
|
#include "gettext.h"
|
|
#include "gettextP.h"
|
|
#ifdef _LIBC
|
|
# include <libintl.h>
|
|
#else
|
|
# include "libgettext.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
|
|
|
|
/* @@ 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
|
|
|
|
/* 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
|
|
|
|
/* We want to allocate a string at the end of the struct. gcc makes
|
|
this easy. */
|
|
#ifdef __GNUC__
|
|
# define ZERO 0
|
|
#else
|
|
# define ZERO 1
|
|
#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 *domain;
|
|
|
|
/* Plural index. */
|
|
unsigned long int plindex;
|
|
|
|
/* The category. */
|
|
int category;
|
|
|
|
/* State of the catalog counter at the point the string was found. */
|
|
int counter;
|
|
|
|
/* And finally the translation. */
|
|
const char *translation;
|
|
|
|
/* 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 (const void *p1, const void *p2)
|
|
{
|
|
struct known_translation_t *s1 = (struct known_translation_t *) p1;
|
|
struct known_translation_t *s2 = (struct known_translation_t *) p2;
|
|
int result;
|
|
|
|
result = strcmp (s1->msgid, s2->msgid);
|
|
if (result == 0)
|
|
{
|
|
result = strcmp (s1->domain, s2->domain);
|
|
if (result == 0)
|
|
{
|
|
result = s1->plindex - s2->plindex;
|
|
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[] = GNULOCALEDIR;
|
|
|
|
/* List with bindings of specific domains created by bindtextdomain()
|
|
calls. */
|
|
struct binding *_nl_domain_bindings;
|
|
|
|
/* Prototypes for local functions. */
|
|
static unsigned long int plural_eval (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 */
|
|
|
|
|
|
/* List of blocks allocated for translations. */
|
|
static struct transmem_list
|
|
{
|
|
struct transmem_list *next;
|
|
char data[0];
|
|
} *transmem_list;
|
|
|
|
|
|
/* 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. */
|
|
__libc_rwlock_define_initialized (, _nl_state_lock)
|
|
|
|
/* 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
|
|
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;
|
|
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;
|
|
|
|
if (plural == 0)
|
|
{
|
|
/* Try to find the translation among those which we found at
|
|
some time. */
|
|
search = (struct known_translation_t *) alloca (sizeof (*search)
|
|
+ msgid_len);
|
|
memcpy (search->msgid, msgid1, msgid_len);
|
|
search->domain = (char *) domainname;
|
|
search->plindex = 0;
|
|
search->category = category;
|
|
|
|
foundp = (struct known_translation_t **) tfind (search, &root, transcmp);
|
|
if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)
|
|
{
|
|
__libc_rwlock_unlock (_nl_state_lock);
|
|
return (char *) (*foundp)->translation;
|
|
}
|
|
}
|
|
#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 (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 int) 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 (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 && strchr (single_locale, '/') != NULL)
|
|
/* 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)
|
|
{
|
|
unsigned long int index = 0;
|
|
|
|
if (plural != 0)
|
|
{
|
|
struct loaded_domain *domaindata =
|
|
(struct loaded_domain *) domain->data;
|
|
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;
|
|
|
|
#if defined HAVE_TSEARCH || defined _LIBC
|
|
/* Try to find the translation among those which we
|
|
found at some time. */
|
|
search = (struct known_translation_t *) alloca (sizeof (*search)
|
|
+ msgid_len);
|
|
memcpy (search->msgid, msgid1, msgid_len);
|
|
search->domain = (char *) domainname;
|
|
search->plindex = index;
|
|
search->category = category;
|
|
|
|
foundp = (struct known_translation_t **) tfind (search, &root,
|
|
transcmp);
|
|
if (foundp != NULL && (*foundp)->counter == _nl_msg_cat_cntr)
|
|
{
|
|
__libc_rwlock_unlock (_nl_state_lock);
|
|
return (char *) (*foundp)->translation;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
retval = _nl_find_msg (domain, msgid1, index);
|
|
|
|
if (retval == NULL)
|
|
{
|
|
int cnt;
|
|
|
|
for (cnt = 0; domain->successor[cnt] != NULL; ++cnt)
|
|
{
|
|
retval = _nl_find_msg (domain->successor[cnt], msgid1,
|
|
index);
|
|
|
|
if (retval != NULL)
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (retval != NULL)
|
|
{
|
|
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 (sizeof (*newp) + msgid_len
|
|
+ domainname_len + 1 - ZERO);
|
|
if (newp != NULL)
|
|
{
|
|
newp->domain = mempcpy (newp->msgid, msgid1, msgid_len);
|
|
memcpy (newp->domain, domainname, domainname_len + 1);
|
|
newp->plindex = index;
|
|
newp->category = category;
|
|
newp->counter = _nl_msg_cat_cntr;
|
|
newp->translation = retval;
|
|
|
|
/* 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)->translation = retval;
|
|
}
|
|
#endif
|
|
__libc_rwlock_unlock (_nl_state_lock);
|
|
return retval;
|
|
}
|
|
}
|
|
}
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
|
|
char *
|
|
internal_function
|
|
_nl_find_msg (domain_file, msgid, index)
|
|
struct loaded_l10nfile *domain_file;
|
|
const char *msgid;
|
|
unsigned long int index;
|
|
{
|
|
struct loaded_domain *domain;
|
|
size_t act;
|
|
char *result;
|
|
|
|
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)
|
|
{
|
|
act = nstr - 1;
|
|
goto found;
|
|
}
|
|
|
|
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))
|
|
{
|
|
act = nstr - 1;
|
|
goto found;
|
|
}
|
|
}
|
|
/* 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));
|
|
|
|
#if defined _LIBC || HAVE_ICONV
|
|
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 the INDEX: We don't know
|
|
a priori which entries are plural entries. Therefore at any
|
|
moment we can only translate the variants 0 .. INDEX. */
|
|
|
|
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
|
|
|| *(nls_uint32 *) domain->conv_tab[act] < index)
|
|
{
|
|
/* 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;
|
|
|
|
size_t resultlen;
|
|
const unsigned char *inbuf;
|
|
unsigned char *outbuf;
|
|
int malloc_count;
|
|
|
|
/* Note that we translate (index + 1) consecutive strings at
|
|
once, including the final NUL byte. */
|
|
{
|
|
unsigned long int i = index;
|
|
char *p = result;
|
|
do
|
|
p += strlen (p) + 1;
|
|
while (i-- > 0);
|
|
resultlen = p - result;
|
|
}
|
|
|
|
__libc_lock_lock (lock);
|
|
|
|
inbuf = result;
|
|
outbuf = freemem + sizeof (nls_uint32);
|
|
|
|
malloc_count = 0;
|
|
while (1)
|
|
{
|
|
# ifdef _LIBC
|
|
struct transmem_list *newmem;
|
|
size_t non_reversible;
|
|
int res;
|
|
|
|
if (freemem_size < 4)
|
|
goto resize_freemem;
|
|
|
|
res = __gconv (domain->conv,
|
|
&inbuf, inbuf + resultlen,
|
|
&outbuf,
|
|
outbuf + freemem_size - sizeof (nls_uint32),
|
|
&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
|
|
# define transmem freemem
|
|
const char *inptr = (const char *) inbuf;
|
|
size_t inleft = resultlen;
|
|
char *outptr = (char *) outbuf;
|
|
size_t outleft;
|
|
|
|
if (freemem_size < 4)
|
|
goto resize_freemem;
|
|
|
|
outleft = freemem_size - 4;
|
|
if (iconv (domain->conv, &inptr, &inleft, &outptr, &outleft)
|
|
!= (size_t) (-1))
|
|
{
|
|
outbuf = (unsigned char *) outptr;
|
|
break;
|
|
}
|
|
if (errno != E2BIG)
|
|
{
|
|
__libc_lock_unlock (lock);
|
|
goto converted;
|
|
}
|
|
# else
|
|
# define transmem freemem
|
|
# endif
|
|
# endif
|
|
|
|
resize_freemem:
|
|
/* We must allocate a new buffer of resize the old one. */
|
|
if (malloc_count > 0)
|
|
{
|
|
struct transmem_list *next = transmem_list->next;
|
|
|
|
++malloc_count;
|
|
freemem_size = malloc_count * INITIAL_BLOCK_SIZE;
|
|
newmem = (struct transmem_list *) realloc (transmem_list,
|
|
freemem_size);
|
|
|
|
if (newmem != NULL)
|
|
transmem_list = next;
|
|
}
|
|
else
|
|
{
|
|
malloc_count = 1;
|
|
freemem_size = INITIAL_BLOCK_SIZE;
|
|
newmem = (struct transmem_list *) 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);
|
|
# endif
|
|
|
|
outbuf = freemem + sizeof (nls_uint32);
|
|
}
|
|
|
|
/* We have now in our buffer a converted string. Put this
|
|
into the table of conversions. */
|
|
*(nls_uint32 *) freemem = index;
|
|
domain->conv_tab[act] = freemem;
|
|
/* Shrink freemem, but keep it aligned. */
|
|
freemem_size -= outbuf - freemem;
|
|
freemem = outbuf;
|
|
freemem += freemem_size & (alignof (nls_uint32) - 1);
|
|
freemem_size = freemem_size & ~ (alignof (nls_uint32) - 1);
|
|
|
|
__libc_lock_unlock (lock);
|
|
}
|
|
|
|
/* Now domain->conv_tab[act] contains the translation of at least
|
|
the variants 0 .. INDEX. */
|
|
result = domain->conv_tab[act] + sizeof (nls_uint32);
|
|
}
|
|
|
|
converted:
|
|
/* The result string is converted. */
|
|
|
|
#endif /* _LIBC || HAVE_ICONV */
|
|
|
|
/* Now skip some strings. How much depends on the index passed in. */
|
|
while (index-- > 0)
|
|
{
|
|
#ifdef _LIBC
|
|
result = __rawmemchr (result, '\0');
|
|
#else
|
|
result = strchr (result, '\0');
|
|
#endif
|
|
/* And skip over the NUL byte. */
|
|
++result;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
/* Function to evaluate the plural expression and return an index value. */
|
|
static unsigned long int
|
|
internal_function
|
|
plural_eval (struct expression *pexp, unsigned long int n)
|
|
{
|
|
switch (pexp->operation)
|
|
{
|
|
case var:
|
|
return n;
|
|
case num:
|
|
return pexp->val.num;
|
|
case mult:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
* plural_eval (pexp->val.args2.right, n));
|
|
case divide:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
/ plural_eval (pexp->val.args2.right, n));
|
|
case module:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
% plural_eval (pexp->val.args2.right, n));
|
|
case plus:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
+ plural_eval (pexp->val.args2.right, n));
|
|
case minus:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
- plural_eval (pexp->val.args2.right, n));
|
|
case equal:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
== plural_eval (pexp->val.args2.right, n));
|
|
case not_equal:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
!= plural_eval (pexp->val.args2.right, n));
|
|
case land:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
&& plural_eval (pexp->val.args2.right, n));
|
|
case lor:
|
|
return (plural_eval (pexp->val.args2.left, n)
|
|
|| plural_eval (pexp->val.args2.right, n));
|
|
case qmop:
|
|
return (plural_eval (pexp->val.args3.bexp, n)
|
|
? plural_eval (pexp->val.args3.tbranch, n)
|
|
: plural_eval (pexp->val.args3.fbranch, 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 *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
|
|
|
|
#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
|