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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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#ifdef __cplusplus 51extern "C" { 52#endif 53 54 55/* We redirect the functions to those prefixed with "libintl_". This is 56 necessary, because some systems define gettext/textdomain/... in the C 57 library (namely, Solaris 2.4 and newer, and GNU libc 2.0 and newer). 58 If we used the unprefixed names, there would be cases where the 59 definition in the C library would override the one in the libintl.so 60 shared library. Recall that on ELF systems, the symbols are looked 61 up in the following order: 62 1. in the executable, 63 2. in the shared libraries specified on the link command line, in order, 64 3. in the dependencies of the shared libraries specified on the link 65 command line, 66 4. in the dlopen()ed shared libraries, in the order in which they were 67 dlopen()ed. 68 The definition in the C library would override the one in libintl.so if 69 either 70 * -lc is given on the link command line and -lintl isn't, or 71 * -lc is given on the link command line before -lintl, or 72 * libintl.so is a dependency of a dlopen()ed shared library but not 73 linked to the executable at link time. 74 Since Solaris gettext() behaves differently than GNU gettext(), this 75 would be unacceptable. 76 77 The redirection happens by default through macros in C, so that &gettext 78 is independent of the compilation unit, but through inline functions in 79 C++, in order not to interfere with the name mangling of class fields or 80 class methods called 'gettext'. */ 81 82/* The user can define _INTL_REDIRECT_INLINE or _INTL_REDIRECT_MACROS. 83 If he doesn't, we choose the method. A third possible method is 84 _INTL_REDIRECT_ASM, supported only by GCC. */ 85#if !(defined _INTL_REDIRECT_INLINE || defined _INTL_REDIRECT_MACROS) 86# if __GNUC__ >= 2 && !defined __APPLE_CC__ && !defined __MINGW32__ && !(__GNUC__ == 2 && defined _AIX) && (defined __STDC__ || defined __cplusplus) 87# define _INTL_REDIRECT_ASM 88# else 89# ifdef __cplusplus 90# define _INTL_REDIRECT_INLINE 91# else 92# define _INTL_REDIRECT_MACROS 93# endif 94# endif 95#endif 96/* Auxiliary macros. */ 97#ifdef _INTL_REDIRECT_ASM 98# define _INTL_ASM(cname) __asm__ (_INTL_ASMNAME (__USER_LABEL_PREFIX__, #cname)) 99# define _INTL_ASMNAME(prefix,cnamestring) _INTL_STRINGIFY (prefix) cnamestring 100# define _INTL_STRINGIFY(prefix) #prefix 101#else 102# define _INTL_ASM(cname) 103#endif 104 105/* Look up MSGID in the current default message catalog for the current 106 LC_MESSAGES locale. If not found, returns MSGID itself (the default 107 text). */ 108#ifdef _INTL_REDIRECT_INLINE 109extern char *libintl_gettext (const char *__msgid); 110static inline char *gettext (const char *__msgid) 111{ 112 return libintl_gettext (__msgid); 113} 114#else 115#ifdef _INTL_REDIRECT_MACROS 116# define gettext libintl_gettext 117#endif 118extern char *gettext (const char *__msgid) 119 _INTL_ASM (libintl_gettext); 120#endif 121 122/* Look up MSGID in the DOMAINNAME message catalog for the current 123 LC_MESSAGES locale. */ 124#ifdef _INTL_REDIRECT_INLINE 125extern char *libintl_dgettext (const char *__domainname, const char *__msgid); 126static inline char *dgettext (const char *__domainname, const char *__msgid) 127{ 128 return libintl_dgettext (__domainname, __msgid); 129} 130#else 131#ifdef _INTL_REDIRECT_MACROS 132# define dgettext libintl_dgettext 133#endif 134extern char *dgettext (const char *__domainname, const char *__msgid) 135 _INTL_ASM (libintl_dgettext); 136#endif 137 138/* Look up MSGID in the DOMAINNAME message catalog for the current CATEGORY 139 locale. */ 140#ifdef _INTL_REDIRECT_INLINE 141extern char *libintl_dcgettext (const char *__domainname, const char *__msgid, 142 int __category); 143static inline char *dcgettext (const char *__domainname, const char *__msgid, 144 int __category) 145{ 146 return libintl_dcgettext (__domainname, __msgid, __category); 147} 148#else 149#ifdef _INTL_REDIRECT_MACROS 150# define dcgettext libintl_dcgettext 151#endif 152extern char *dcgettext (const char *__domainname, const char *__msgid, 153 int __category) 154 _INTL_ASM (libintl_dcgettext); 155#endif 156 157 158/* Similar to `gettext' but select the plural form corresponding to the 159 number N. */ 160#ifdef _INTL_REDIRECT_INLINE 161extern char *libintl_ngettext (const char *__msgid1, const char *__msgid2, 162 unsigned long int __n); 163static inline char *ngettext (const char *__msgid1, const char *__msgid2, 164 unsigned long int __n) 165{ 166 return libintl_ngettext (__msgid1, __msgid2, __n); 167} 168#else 169#ifdef _INTL_REDIRECT_MACROS 170# define ngettext libintl_ngettext 171#endif 172extern char *ngettext (const char *__msgid1, const char *__msgid2, 173 unsigned long int __n) 174 _INTL_ASM (libintl_ngettext); 175#endif 176 177/* Similar to `dgettext' but select the plural form corresponding to the 178 number N. */ 179#ifdef _INTL_REDIRECT_INLINE 180extern char *libintl_dngettext (const char *__domainname, const char *__msgid1, 181 const char *__msgid2, unsigned long int __n); 182static inline char *dngettext (const char *__domainname, const char *__msgid1, 183 const char *__msgid2, unsigned long int __n) 184{ 185 return libintl_dngettext (__domainname, __msgid1, __msgid2, __n); 186} 187#else 188#ifdef _INTL_REDIRECT_MACROS 189# define dngettext libintl_dngettext 190#endif 191extern char *dngettext (const char *__domainname, 192 const char *__msgid1, const char *__msgid2, 193 unsigned long int __n) 194 _INTL_ASM (libintl_dngettext); 195#endif 196 197/* Similar to `dcgettext' but select the plural form corresponding to the 198 number N. */ 199#ifdef _INTL_REDIRECT_INLINE 200extern char *libintl_dcngettext (const char *__domainname, 201 const char *__msgid1, const char *__msgid2, 202 unsigned long int __n, int __category); 203static inline char *dcngettext (const char *__domainname, 204 const char *__msgid1, const char *__msgid2, 205 unsigned long int __n, int __category) 206{ 207 return libintl_dcngettext (__domainname, __msgid1, __msgid2, __n, __category); 208} 209#else 210#ifdef _INTL_REDIRECT_MACROS 211# define dcngettext libintl_dcngettext 212#endif 213extern char *dcngettext (const char *__domainname, 214 const char *__msgid1, const char *__msgid2, 215 unsigned long int __n, int __category) 216 _INTL_ASM (libintl_dcngettext); 217#endif 218 219 220/* Set the current default message catalog to DOMAINNAME. 221 If DOMAINNAME is null, return the current default. 222 If DOMAINNAME is "", reset to the default of "messages". */ 223#ifdef _INTL_REDIRECT_INLINE 224extern char *libintl_textdomain (const char *__domainname); 225static inline char *textdomain (const char *__domainname) 226{ 227 return libintl_textdomain (__domainname); 228} 229#else 230#ifdef _INTL_REDIRECT_MACROS 231# define textdomain libintl_textdomain 232#endif 233extern char *textdomain (const char *__domainname) 234 _INTL_ASM (libintl_textdomain); 235#endif 236 237/* Specify that the DOMAINNAME message catalog will be found 238 in DIRNAME rather than in the system locale data base. */ 239#ifdef _INTL_REDIRECT_INLINE 240extern char *libintl_bindtextdomain (const char *__domainname, 241 const char *__dirname); 242static inline char *bindtextdomain (const char *__domainname, 243 const char *__dirname) 244{ 245 return libintl_bindtextdomain (__domainname, __dirname); 246} 247#else 248#ifdef _INTL_REDIRECT_MACROS 249# define bindtextdomain libintl_bindtextdomain 250#endif 251extern char *bindtextdomain (const char *__domainname, const char *__dirname) 252 _INTL_ASM (libintl_bindtextdomain); 253#endif 254 255/* Specify the character encoding in which the messages from the 256 DOMAINNAME message catalog will be returned. */ 257#ifdef _INTL_REDIRECT_INLINE 258extern char *libintl_bind_textdomain_codeset (const char *__domainname, 259 const char *__codeset); 260static inline char *bind_textdomain_codeset (const char *__domainname, 261 const char *__codeset) 262{ 263 return libintl_bind_textdomain_codeset (__domainname, __codeset); 264} 265#else 266#ifdef _INTL_REDIRECT_MACROS 267# define bind_textdomain_codeset libintl_bind_textdomain_codeset 268#endif 269extern char *bind_textdomain_codeset (const char *__domainname, 270 const char *__codeset) 271 _INTL_ASM (libintl_bind_textdomain_codeset); 272#endif 273 274 275/* Support for format strings with positions in *printf(), following the 276 POSIX/XSI specification. 277 Note: These replacements for the *printf() functions are visible only 278 in source files that #include <libintl.h> or #include "gettext.h". 279 Packages that use *printf() in source files that don't refer to _() 280 or gettext() but for which the format string could be the return value 281 of _() or gettext() need to add this #include. Oh well. */ 282 283#if !@HAVE_POSIX_PRINTF@ 284 285#include <stdio.h> 286#include <stddef.h> 287 288/* Get va_list. */ 289#if __STDC__ || defined __cplusplus || defined _MSC_VER 290# include <stdarg.h> 291#else 292# include <varargs.h> 293#endif 294 295#undef fprintf 296#define fprintf libintl_fprintf 297extern int fprintf (FILE *, const char *, ...); 298#undef vfprintf 299#define vfprintf libintl_vfprintf 300extern int vfprintf (FILE *, const char *, va_list); 301 302#undef printf 303#define printf libintl_printf 304extern int printf (const char *, ...); 305#undef vprintf 306#define vprintf libintl_vprintf 307extern int vprintf (const char *, va_list); 308 309#undef sprintf 310#define sprintf libintl_sprintf 311extern int sprintf (char *, const char *, ...); 312#undef vsprintf 313#define vsprintf libintl_vsprintf 314extern int vsprintf (char *, const char *, va_list); 315 316#if @HAVE_SNPRINTF@ 317 318#undef snprintf 319#define snprintf libintl_snprintf 320extern int snprintf (char *, size_t, const char *, ...); 321#undef vsnprintf 322#define vsnprintf libintl_vsnprintf 323extern int vsnprintf (char *, size_t, const char *, va_list); 324 325#endif 326 327#if @HAVE_ASPRINTF@ 328 329#undef asprintf 330#define asprintf libintl_asprintf 331extern int asprintf (char **, const char *, ...); 332#undef vasprintf 333#define vasprintf libintl_vasprintf 334extern int vasprintf (char **, const char *, va_list); 335 336#endif 337 338#if @HAVE_WPRINTF@ 339 340#undef fwprintf 341#define fwprintf libintl_fwprintf 342extern int fwprintf (FILE *, const wchar_t *, ...); 343#undef vfwprintf 344#define vfwprintf libintl_vfwprintf 345extern int vfwprintf (FILE *, const wchar_t *, va_list); 346 347#undef wprintf 348#define wprintf libintl_wprintf 349extern int wprintf (const wchar_t *, ...); 350#undef vwprintf 351#define vwprintf libintl_vwprintf 352extern int vwprintf (const wchar_t *, va_list); 353 354#undef swprintf 355#define swprintf libintl_swprintf 356extern int swprintf (wchar_t *, size_t, const wchar_t *, ...); 357#undef vswprintf 358#define vswprintf libintl_vswprintf 359extern int vswprintf (wchar_t *, size_t, const wchar_t *, va_list); 360 361#endif 362 363#endif 364 365 366/* Support for relocatable packages. */ 367 368/* Sets the original and the current installation prefix of the package. 369 Relocation simply replaces a pathname starting with the original prefix 370 by the corresponding pathname with the current prefix instead. Both 371 prefixes should be directory names without trailing slash (i.e. use "" 372 instead of "/"). */ 373#define libintl_set_relocation_prefix libintl_set_relocation_prefix 374extern void 375 libintl_set_relocation_prefix (const char *orig_prefix, 376 const char *curr_prefix); 377 378 379#ifdef __cplusplus 380} 381#endif 382 383#endif /* libintl.h */ 384