1/* Message catalogs for internationalization. 2 Copyright (C) 1995-1997, 2000-2003 Free Software Foundation, Inc. 3 4 This program is free software; you can redistribute it and/or modify it 5 under the terms of the GNU Library General Public License as published 6 by the Free Software Foundation; either version 2, or (at your option) 7 any later version. 8 9 This program is distributed in the hope that it will be useful, 10 but WITHOUT ANY WARRANTY; without even the implied warranty of 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12 Library General Public License for more details. 13 14 You should have received a copy of the GNU Library General Public 15 License along with this program; if not, write to the Free Software 16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 17 USA. */ 18 19#ifndef _LIBINTL_H 20#define _LIBINTL_H 1 21 22#include <locale.h> 23 24/* The LC_MESSAGES locale category is the category used by the functions 25 gettext() and dgettext(). It is specified in POSIX, but not in ANSI C. 26 On systems that don't define it, use an arbitrary value instead. 27 On Solaris, <locale.h> defines __LOCALE_H (or _LOCALE_H in Solaris 2.5) 28 then includes <libintl.h> (i.e. this file!) and then only defines 29 LC_MESSAGES. To avoid a redefinition warning, don't define LC_MESSAGES 30 in this case. */ 31#if !defined LC_MESSAGES && !(defined __LOCALE_H || (defined _LOCALE_H && defined __sun)) 32# define LC_MESSAGES 1729 33#endif 34 35/* We define an additional symbol to signal that we use the GNU 36 implementation of gettext. */ 37#define __USE_GNU_GETTEXT 1 38 39/* Provide information about the supported file formats. Returns the 40 maximum minor revision number supported for a given major revision. */ 41#define __GNU_GETTEXT_SUPPORTED_REVISION(major) \ 42 ((major) == 0 ? 1 : -1) 43 44/* Resolve a platform specific conflict on DJGPP. GNU gettext takes 45 precedence over _conio_gettext. */ 46#ifdef __DJGPP__ 47# undef gettext 48#endif 49 50/* Use _INTL_PARAMS, not PARAMS, in order to avoid clashes with identifiers 51 used by programs. Similarly, test __PROTOTYPES, not PROTOTYPES. */ 52#ifndef _INTL_PARAMS 53# if __STDC__ || defined __GNUC__ || defined __SUNPRO_C || defined __cplusplus || __PROTOTYPES 54# define _INTL_PARAMS(args) args 55# else 56# define _INTL_PARAMS(args) () 57# endif 58#endif 59 60#ifdef __cplusplus 61extern "C" { 62#endif 63 64 65/* We redirect the functions to those prefixed with "libintl_". This is 66 necessary, because some systems define gettext/textdomain/... in the C 67 library (namely, Solaris 2.4 and newer, and GNU libc 2.0 and newer). 68 If we used the unprefixed names, there would be cases where the 69 definition in the C library would override the one in the libintl.so 70 shared library. Recall that on ELF systems, the symbols are looked 71 up in the following order: 72 1. in the executable, 73 2. in the shared libraries specified on the link command line, in order, 74 3. in the dependencies of the shared libraries specified on the link 75 command line, 76 4. in the dlopen()ed shared libraries, in the order in which they were 77 dlopen()ed. 78 The definition in the C library would override the one in libintl.so if 79 either 80 * -lc is given on the link command line and -lintl isn't, or 81 * -lc is given on the link command line before -lintl, or 82 * libintl.so is a dependency of a dlopen()ed shared library but not 83 linked to the executable at link time. 84 Since Solaris gettext() behaves differently than GNU gettext(), this 85 would be unacceptable. 86 87 The redirection happens by default through macros in C, so that &gettext 88 is independent of the compilation unit, but through inline functions in 89 C++, in order not to interfere with the name mangling of class fields or 90 class methods called 'gettext'. */ 91 92/* The user can define _INTL_REDIRECT_INLINE or _INTL_REDIRECT_MACROS. 93 If he doesn't, we choose the method. A third possible method is 94 _INTL_REDIRECT_ASM, supported only by GCC. */ 95#if !(defined _INTL_REDIRECT_INLINE || defined _INTL_REDIRECT_MACROS) 96# if __GNUC__ >= 2 && !defined __APPLE_CC__ && (defined __STDC__ || defined __cplusplus) 97# define _INTL_REDIRECT_ASM 98# else 99# ifdef __cplusplus 100# define _INTL_REDIRECT_INLINE 101# else 102# define _INTL_REDIRECT_MACROS 103# endif 104# endif 105#endif 106/* Auxiliary macros. */ 107#ifdef _INTL_REDIRECT_ASM 108# define _INTL_ASM(cname) __asm__ (_INTL_ASMNAME (__USER_LABEL_PREFIX__, #cname)) 109# define _INTL_ASMNAME(prefix,cnamestring) _INTL_STRINGIFY (prefix) cnamestring 110# define _INTL_STRINGIFY(prefix) #prefix 111#else 112# define _INTL_ASM(cname) 113#endif 114 115/* Look up MSGID in the current default message catalog for the current 116 LC_MESSAGES locale. If not found, returns MSGID itself (the default 117 text). */ 118#ifdef _INTL_REDIRECT_INLINE 119extern char *libintl_gettext (const char *__msgid); 120static inline char *gettext (const char *__msgid) 121{ 122 return libintl_gettext (__msgid); 123} 124#else 125#ifdef _INTL_REDIRECT_MACROS 126# define gettext libintl_gettext 127#endif 128extern char *gettext _INTL_PARAMS ((const char *__msgid)) 129 _INTL_ASM (libintl_gettext); 130#endif 131 132/* Look up MSGID in the DOMAINNAME message catalog for the current 133 LC_MESSAGES locale. */ 134#ifdef _INTL_REDIRECT_INLINE 135extern char *libintl_dgettext (const char *__domainname, const char *__msgid); 136static inline char *dgettext (const char *__domainname, const char *__msgid) 137{ 138 return libintl_dgettext (__domainname, __msgid); 139} 140#else 141#ifdef _INTL_REDIRECT_MACROS 142# define dgettext libintl_dgettext 143#endif 144extern char *dgettext _INTL_PARAMS ((const char *__domainname, 145 const char *__msgid)) 146 _INTL_ASM (libintl_dgettext); 147#endif 148 149/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY 150 locale. */ 151#ifdef _INTL_REDIRECT_INLINE 152extern char *libintl_dcgettext (const char *__domainname, const char *__msgid, 153 int __category); 154static inline char *dcgettext (const char *__domainname, const char *__msgid, 155 int __category) 156{ 157 return libintl_dcgettext (__domainname, __msgid, __category); 158} 159#else 160#ifdef _INTL_REDIRECT_MACROS 161# define dcgettext libintl_dcgettext 162#endif 163extern char *dcgettext _INTL_PARAMS ((const char *__domainname, 164 const char *__msgid, 165 int __category)) 166 _INTL_ASM (libintl_dcgettext); 167#endif 168 169 170/* Similar to `gettext' but select the plural form corresponding to the 171 number N. */ 172#ifdef _INTL_REDIRECT_INLINE 173extern char *libintl_ngettext (const char *__msgid1, const char *__msgid2, 174 unsigned long int __n); 175static inline char *ngettext (const char *__msgid1, const char *__msgid2, 176 unsigned long int __n) 177{ 178 return libintl_ngettext (__msgid1, __msgid2, __n); 179} 180#else 181#ifdef _INTL_REDIRECT_MACROS 182# define ngettext libintl_ngettext 183#endif 184extern char *ngettext _INTL_PARAMS ((const char *__msgid1, 185 const char *__msgid2, 186 unsigned long int __n)) 187 _INTL_ASM (libintl_ngettext); 188#endif 189 190/* Similar to `dgettext' but select the plural form corresponding to the 191 number N. */ 192#ifdef _INTL_REDIRECT_INLINE 193extern char *libintl_dngettext (const char *__domainname, const char *__msgid1, 194 const char *__msgid2, unsigned long int __n); 195static inline char *dngettext (const char *__domainname, const char *__msgid1, 196 const char *__msgid2, unsigned long int __n) 197{ 198 return libintl_dngettext (__domainname, __msgid1, __msgid2, __n); 199} 200#else 201#ifdef _INTL_REDIRECT_MACROS 202# define dngettext libintl_dngettext 203#endif 204extern char *dngettext _INTL_PARAMS ((const char *__domainname, 205 const char *__msgid1, 206 const char *__msgid2, 207 unsigned long int __n)) 208 _INTL_ASM (libintl_dngettext); 209#endif 210 211/* Similar to `dcgettext' but select the plural form corresponding to the 212 number N. */ 213#ifdef _INTL_REDIRECT_INLINE 214extern char *libintl_dcngettext (const char *__domainname, 215 const char *__msgid1, const char *__msgid2, 216 unsigned long int __n, int __category); 217static inline char *dcngettext (const char *__domainname, 218 const char *__msgid1, const char *__msgid2, 219 unsigned long int __n, int __category) 220{ 221 return libintl_dcngettext (__domainname, __msgid1, __msgid2, __n, __category); 222} 223#else 224#ifdef _INTL_REDIRECT_MACROS 225# define dcngettext libintl_dcngettext 226#endif 227extern char *dcngettext _INTL_PARAMS ((const char *__domainname, 228 const char *__msgid1, 229 const char *__msgid2, 230 unsigned long int __n, 231 int __category)) 232 _INTL_ASM (libintl_dcngettext); 233#endif 234 235 236/* Set the current default message catalog to DOMAINNAME. 237 If DOMAINNAME is null, return the current default. 238 If DOMAINNAME is "", reset to the default of "messages". */ 239#ifdef _INTL_REDIRECT_INLINE 240extern char *libintl_textdomain (const char *__domainname); 241static inline char *textdomain (const char *__domainname) 242{ 243 return libintl_textdomain (__domainname); 244} 245#else 246#ifdef _INTL_REDIRECT_MACROS 247# define textdomain libintl_textdomain 248#endif 249extern char *textdomain _INTL_PARAMS ((const char *__domainname)) 250 _INTL_ASM (libintl_textdomain); 251#endif 252 253/* Specify that the DOMAINNAME message catalog will be found 254 in DIRNAME rather than in the system locale data base. */ 255#ifdef _INTL_REDIRECT_INLINE 256extern char *libintl_bindtextdomain (const char *__domainname, 257 const char *__dirname); 258static inline char *bindtextdomain (const char *__domainname, 259 const char *__dirname) 260{ 261 return libintl_bindtextdomain (__domainname, __dirname); 262} 263#else 264#ifdef _INTL_REDIRECT_MACROS 265# define bindtextdomain libintl_bindtextdomain 266#endif 267extern char *bindtextdomain _INTL_PARAMS ((const char *__domainname, 268 const char *__dirname)) 269 _INTL_ASM (libintl_bindtextdomain); 270#endif 271 272/* Specify the character encoding in which the messages from the 273 DOMAINNAME message catalog will be returned. */ 274#ifdef _INTL_REDIRECT_INLINE 275extern char *libintl_bind_textdomain_codeset (const char *__domainname, 276 const char *__codeset); 277static inline char *bind_textdomain_codeset (const char *__domainname, 278 const char *__codeset) 279{ 280 return libintl_bind_textdomain_codeset (__domainname, __codeset); 281} 282#else 283#ifdef _INTL_REDIRECT_MACROS 284# define bind_textdomain_codeset libintl_bind_textdomain_codeset 285#endif 286extern char *bind_textdomain_codeset _INTL_PARAMS ((const char *__domainname, 287 const char *__codeset)) 288 _INTL_ASM (libintl_bind_textdomain_codeset); 289#endif 290 291 292/* Support for relocatable packages. */ 293 294/* Sets the original and the current installation prefix of the package. 295 Relocation simply replaces a pathname starting with the original prefix 296 by the corresponding pathname with the current prefix instead. Both 297 prefixes should be directory names without trailing slash (i.e. use "" 298 instead of "/"). */ 299#define libintl_set_relocation_prefix libintl_set_relocation_prefix 300extern void 301 libintl_set_relocation_prefix _INTL_PARAMS ((const char *orig_prefix, 302 const char *curr_prefix)); 303 304 305#ifdef __cplusplus 306} 307#endif 308 309#endif /* libintl.h */ 310