glibc/intl/gettextP.h

311 lines
9.8 KiB
C

/* Header describing internals of libintl library.
Copyright (C) 1995-2016 Free Software Foundation, Inc.
Written by Ulrich Drepper <drepper@cygnus.com>, 1995.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef _GETTEXTP_H
#define _GETTEXTP_H
#include <stddef.h> /* Get size_t. */
#ifdef _LIBC
# include "../iconv/gconv_int.h"
#else
# if HAVE_ICONV
# include <iconv.h>
# endif
#endif
/* Handle multi-threaded applications. */
#ifdef _LIBC
# include <libc-lock.h>
# define gl_rwlock_define __libc_rwlock_define
#else
# include "lock.h"
#endif
#ifdef _LIBC
struct loaded_domain;
extern char *__gettext (const char *__msgid);
extern char *__dgettext (const char *__domainname, const char *__msgid);
extern char *__dcgettext (const char *__domainname, const char *__msgid,
int __category);
extern char *__ngettext (const char *__msgid1, const char *__msgid2,
unsigned long int __n);
extern char *__dngettext (const char *__domainname,
const char *__msgid1, const char *__msgid2,
unsigned long int n);
extern char *__dcngettext (const char *__domainname,
const char *__msgid1, const char *__msgid2,
unsigned long int __n, int __category);
extern char *__dcigettext (const char *__domainname,
const char *__msgid1, const char *__msgid2,
int __plural, unsigned long int __n,
int __category);
extern char *__textdomain (const char *__domainname);
extern char *__bindtextdomain (const char *__domainname,
const char *__dirname);
extern char *__bind_textdomain_codeset (const char *__domainname,
const char *__codeset);
extern void _nl_finddomain_subfreeres (void) attribute_hidden;
extern void _nl_unload_domain (struct loaded_domain *__domain)
internal_function attribute_hidden;
#else
/* Declare the exported libintl_* functions, in a way that allows us to
call them under their real name. */
# undef _INTL_REDIRECT_INLINE
# undef _INTL_REDIRECT_MACROS
# define _INTL_REDIRECT_MACROS
# include "libgnuintl.h"
# ifdef IN_LIBGLOCALE
extern char *gl_dcigettext (const char *__domainname,
const char *__msgid1, const char *__msgid2,
int __plural, unsigned long int __n,
int __category,
const char *__localename, const char *__encoding);
# else
extern char *libintl_dcigettext (const char *__domainname,
const char *__msgid1, const char *__msgid2,
int __plural, unsigned long int __n,
int __category);
# endif
#endif
#include "loadinfo.h"
#include "gmo.h" /* Get nls_uint32. */
/* @@ end of prolog @@ */
#ifndef internal_function
# define internal_function
#endif
#ifndef attribute_hidden
# define attribute_hidden
#endif
/* Tell the compiler when a conditional or integer expression is
almost always true or almost always false. */
#ifndef HAVE_BUILTIN_EXPECT
# define __builtin_expect(expr, val) (expr)
#endif
#ifndef W
# define W(flag, data) ((flag) ? SWAP (data) : (data))
#endif
#ifdef _LIBC
# include <byteswap.h>
# define SWAP(i) bswap_32 (i)
#else
static inline nls_uint32
# ifdef __cplusplus
SWAP (nls_uint32 i)
# else
SWAP (i)
nls_uint32 i;
# endif
{
return (i << 24) | ((i & 0xff00) << 8) | ((i >> 8) & 0xff00) | (i >> 24);
}
#endif
/* In-memory representation of system dependent string. */
struct sysdep_string_desc
{
/* Length of addressed string, including the trailing NUL. */
size_t length;
/* Pointer to addressed string. */
const char *pointer;
};
/* Cache of translated strings after charset conversion.
Note: The strings are converted to the target encoding only on an as-needed
basis. */
struct converted_domain
{
/* The target encoding name. */
const char *encoding;
/* The descriptor for conversion from the message catalog's encoding to
this target encoding. */
#ifdef _LIBC
__gconv_t conv;
#else
# if HAVE_ICONV
iconv_t conv;
# endif
#endif
/* The table of translated strings after charset conversion. */
char **conv_tab;
};
/* The representation of an opened message catalog. */
struct loaded_domain
{
/* Pointer to memory containing the .mo file. */
const char *data;
/* 1 if the memory is mmap()ed, 0 if the memory is malloc()ed. */
int use_mmap;
/* Size of mmap()ed memory. */
size_t mmap_size;
/* 1 if the .mo file uses a different endianness than this machine. */
int must_swap;
/* Pointer to additional malloc()ed memory. */
void *malloced;
/* Number of static strings pairs. */
nls_uint32 nstrings;
/* Pointer to descriptors of original strings in the file. */
const struct string_desc *orig_tab;
/* Pointer to descriptors of translated strings in the file. */
const struct string_desc *trans_tab;
/* Number of system dependent strings pairs. */
nls_uint32 n_sysdep_strings;
/* Pointer to descriptors of original sysdep strings. */
const struct sysdep_string_desc *orig_sysdep_tab;
/* Pointer to descriptors of translated sysdep strings. */
const struct sysdep_string_desc *trans_sysdep_tab;
/* Size of hash table. */
nls_uint32 hash_size;
/* Pointer to hash table. */
const nls_uint32 *hash_tab;
/* 1 if the hash table uses a different endianness than this machine. */
int must_swap_hash_tab;
/* Cache of charset conversions of the translated strings. */
struct converted_domain *conversions;
size_t nconversions;
gl_rwlock_define (, conversions_lock)
const struct expression *plural;
unsigned long int nplurals;
};
/* We want to allocate a string at the end of the struct. But ISO C
doesn't allow zero sized arrays. */
#ifdef __GNUC__
# define ZERO 0
#else
# define ZERO 1
#endif
/* A set of settings bound to a message domain. Used to store settings
from bindtextdomain() and bind_textdomain_codeset(). */
struct binding
{
struct binding *next;
char *dirname;
char *codeset;
char domainname[ZERO];
};
/* A counter which is incremented each time some previous translations
become invalid.
This variable is part of the external ABI of the GNU libintl. */
#ifdef IN_LIBGLOCALE
# include <glocale/config.h>
extern LIBGLOCALE_DLL_EXPORTED int _nl_msg_cat_cntr;
#else
extern LIBINTL_DLL_EXPORTED int _nl_msg_cat_cntr;
#endif
#ifndef _LIBC
extern const char *_nl_language_preferences_default (void);
# define gl_locale_name_canonicalize _nl_locale_name_canonicalize
extern void _nl_locale_name_canonicalize (char *name);
# define gl_locale_name_from_win32_LANGID _nl_locale_name_from_win32_LANGID
/* extern const char *_nl_locale_name_from_win32_LANGID (LANGID langid); */
# define gl_locale_name_from_win32_LCID _nl_locale_name_from_win32_LCID
/* extern const char *_nl_locale_name_from_win32_LCID (LCID lcid); */
# define gl_locale_name_thread_unsafe _nl_locale_name_thread_unsafe
extern const char *_nl_locale_name_thread_unsafe (int category,
const char *categoryname);
# define gl_locale_name_thread _nl_locale_name_thread
/* extern const char *_nl_locale_name_thread (int category,
const char *categoryname); */
# define gl_locale_name_posix _nl_locale_name_posix
extern const char *_nl_locale_name_posix (int category,
const char *categoryname);
# define gl_locale_name_environ _nl_locale_name_environ
extern const char *_nl_locale_name_environ (int category,
const char *categoryname);
# define gl_locale_name_default _nl_locale_name_default
extern const char *_nl_locale_name_default (void);
# define gl_locale_name _nl_locale_name
/* extern const char *_nl_locale_name (int category,
const char *categoryname); */
#endif
struct loaded_l10nfile *_nl_find_domain (const char *__dirname, char *__locale,
const char *__domainname,
struct binding *__domainbinding)
internal_function;
void _nl_load_domain (struct loaded_l10nfile *__domain,
struct binding *__domainbinding)
internal_function;
#ifdef IN_LIBGLOCALE
char *_nl_find_msg (struct loaded_l10nfile *domain_file,
struct binding *domainbinding, const char *encoding,
const char *msgid,
size_t *lengthp)
internal_function;
#else
char *_nl_find_msg (struct loaded_l10nfile *domain_file,
struct binding *domainbinding, const char *msgid,
int convert, size_t *lengthp)
internal_function;
#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_dirname libintl_nl_default_dirname
# define _nl_domain_bindings libintl_nl_domain_bindings
#endif
/* Contains the default location of the message catalogs. */
extern const char _nl_default_dirname[];
#ifdef _LIBC
libc_hidden_proto (_nl_default_dirname)
#endif
/* List with bindings of specific domains. */
extern struct binding *_nl_domain_bindings;
/* 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 libintl_nl_default_default_domain
# define _nl_current_default_domain libintl_nl_current_default_domain
#endif
/* Name of the default text domain. */
extern const char _nl_default_default_domain[] attribute_hidden;
/* Default text domain in which entries for gettext(3) are to be found. */
extern const char *_nl_current_default_domain attribute_hidden;
/* @@ begin of epilog @@ */
#endif /* gettextP.h */