1/* Convenience header for conditional use of GNU <libintl.h>. 2 Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2011 Free Software 3 Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3, or (at your option) 8 any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License along 16 with this program; if not, write to the Free Software Foundation, 17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ 18 19#ifndef _LIBGETTEXT_H 20#define _LIBGETTEXT_H 1 21 22/* NLS can be disabled through the configure --disable-nls option. */ 23#if ENABLE_NLS 24 25/* Get declarations of GNU message catalog functions. */ 26# include <libintl.h> 27 28/* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by 29 the gettext() and ngettext() macros. This is an alternative to calling 30 textdomain(), and is useful for libraries. */ 31# ifdef DEFAULT_TEXT_DOMAIN 32# undef gettext 33# define gettext(Msgid) \ 34 dgettext (DEFAULT_TEXT_DOMAIN, Msgid) 35# undef ngettext 36# define ngettext(Msgid1, Msgid2, N) \ 37 dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N) 38# endif 39 40#else 41 42/* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which 43 chokes if dcgettext is defined as a macro. So include it now, to make 44 later inclusions of <locale.h> a NOP. We don't include <libintl.h> 45 as well because people using "gettext.h" will not include <libintl.h>, 46 and also including <libintl.h> would fail on SunOS 4, whereas <locale.h> 47 is OK. */ 48#if defined(__sun) 49# include <locale.h> 50#endif 51 52/* Many header files from the libstdc++ coming with g++ 3.3 or newer include 53 <libintl.h>, which chokes if dcgettext is defined as a macro. So include 54 it now, to make later inclusions of <libintl.h> a NOP. */ 55#if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3) 56# include <cstdlib> 57# if (__GLIBC__ >= 2 && !defined __UCLIBC__) || _GLIBCXX_HAVE_LIBINTL_H 58# include <libintl.h> 59# endif 60#endif 61 62/* Disabled NLS. 63 The casts to 'const char *' serve the purpose of producing warnings 64 for invalid uses of the value returned from these functions. 65 On pre-ANSI systems without 'const', the config.h file is supposed to 66 contain "#define const". */ 67# undef gettext 68# define gettext(Msgid) ((const char *) (Msgid)) 69# undef dgettext 70# define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid)) 71# undef dcgettext 72# define dcgettext(Domainname, Msgid, Category) \ 73 ((void) (Category), dgettext (Domainname, Msgid)) 74# undef ngettext 75# define ngettext(Msgid1, Msgid2, N) \ 76 ((N) == 1 \ 77 ? ((void) (Msgid2), (const char *) (Msgid1)) \ 78 : ((void) (Msgid1), (const char *) (Msgid2))) 79# undef dngettext 80# define dngettext(Domainname, Msgid1, Msgid2, N) \ 81 ((void) (Domainname), ngettext (Msgid1, Msgid2, N)) 82# undef dcngettext 83# define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \ 84 ((void) (Category), dngettext (Domainname, Msgid1, Msgid2, N)) 85# undef textdomain 86# define textdomain(Domainname) ((const char *) (Domainname)) 87# undef bindtextdomain 88# define bindtextdomain(Domainname, Dirname) \ 89 ((void) (Domainname), (const char *) (Dirname)) 90# undef bind_textdomain_codeset 91# define bind_textdomain_codeset(Domainname, Codeset) \ 92 ((void) (Domainname), (const char *) (Codeset)) 93 94#endif 95 96/* Prefer gnulib's setlocale override over libintl's setlocale override. */ 97#ifdef GNULIB_defined_setlocale 98# undef setlocale 99# define setlocale rpl_setlocale 100#endif 101 102/* A pseudo function call that serves as a marker for the automated 103 extraction of messages, but does not call gettext(). The run-time 104 translation is done at a different place in the code. 105 The argument, String, should be a literal string. Concatenated strings 106 and other string expressions won't work. 107 The macro's expansion is not parenthesized, so that it is suitable as 108 initializer for static 'char[]' or 'const char[]' variables. */ 109#define gettext_noop(String) String 110 111/* The separator between msgctxt and msgid in a .mo file. */ 112#define GETTEXT_CONTEXT_GLUE "\004" 113 114/* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a 115 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be 116 short and rarely need to change. 117 The letter 'p' stands for 'particular' or 'special'. */ 118#ifdef DEFAULT_TEXT_DOMAIN 119# define pgettext(Msgctxt, Msgid) \ 120 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 121#else 122# define pgettext(Msgctxt, Msgid) \ 123 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 124#endif 125#define dpgettext(Domainname, Msgctxt, Msgid) \ 126 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES) 127#define dcpgettext(Domainname, Msgctxt, Msgid, Category) \ 128 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category) 129#ifdef DEFAULT_TEXT_DOMAIN 130# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 131 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 132#else 133# define npgettext(Msgctxt, Msgid, MsgidPlural, N) \ 134 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 135#endif 136#define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 137 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES) 138#define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \ 139 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category) 140 141#ifdef __GNUC__ 142__inline 143#else 144#ifdef __cplusplus 145inline 146#endif 147#endif 148static const char * 149pgettext_aux (const char *domain, 150 const char *msg_ctxt_id, const char *msgid, 151 int category) 152{ 153 const char *translation = dcgettext (domain, msg_ctxt_id, category); 154 if (translation == msg_ctxt_id) 155 return msgid; 156 else 157 return translation; 158} 159 160#ifdef __GNUC__ 161__inline 162#else 163#ifdef __cplusplus 164inline 165#endif 166#endif 167static const char * 168npgettext_aux (const char *domain, 169 const char *msg_ctxt_id, const char *msgid, 170 const char *msgid_plural, unsigned long int n, 171 int category) 172{ 173 const char *translation = 174 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 175 if (translation == msg_ctxt_id || translation == msgid_plural) 176 return (n == 1 ? msgid : msgid_plural); 177 else 178 return translation; 179} 180 181/* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID 182 can be arbitrary expressions. But for string literals these macros are 183 less efficient than those above. */ 184 185#include <string.h> 186 187#define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \ 188 (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \ 189 /* || __STDC_VERSION__ >= 199901L */ ) 190 191#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 192#include <stdlib.h> 193#endif 194 195#define pgettext_expr(Msgctxt, Msgid) \ 196 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES) 197#define dpgettext_expr(Domainname, Msgctxt, Msgid) \ 198 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES) 199 200#ifdef __GNUC__ 201__inline 202#else 203#ifdef __cplusplus 204inline 205#endif 206#endif 207static const char * 208dcpgettext_expr (const char *domain, 209 const char *msgctxt, const char *msgid, 210 int category) 211{ 212 size_t msgctxt_len = strlen (msgctxt) + 1; 213 size_t msgid_len = strlen (msgid) + 1; 214 const char *translation; 215#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 216 char msg_ctxt_id[msgctxt_len + msgid_len]; 217#else 218 char buf[1024]; 219 char *msg_ctxt_id = 220 (msgctxt_len + msgid_len <= sizeof (buf) 221 ? buf 222 : (char *) malloc (msgctxt_len + msgid_len)); 223 if (msg_ctxt_id != NULL) 224#endif 225 { 226 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 227 msg_ctxt_id[msgctxt_len - 1] = '\004'; 228 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 229 translation = dcgettext (domain, msg_ctxt_id, category); 230#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 231 if (msg_ctxt_id != buf) 232 free (msg_ctxt_id); 233#endif 234 if (translation != msg_ctxt_id) 235 return translation; 236 } 237 return msgid; 238} 239 240#define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \ 241 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 242#define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \ 243 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES) 244 245#ifdef __GNUC__ 246__inline 247#else 248#ifdef __cplusplus 249inline 250#endif 251#endif 252static const char * 253dcnpgettext_expr (const char *domain, 254 const char *msgctxt, const char *msgid, 255 const char *msgid_plural, unsigned long int n, 256 int category) 257{ 258 size_t msgctxt_len = strlen (msgctxt) + 1; 259 size_t msgid_len = strlen (msgid) + 1; 260 const char *translation; 261#if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 262 char msg_ctxt_id[msgctxt_len + msgid_len]; 263#else 264 char buf[1024]; 265 char *msg_ctxt_id = 266 (msgctxt_len + msgid_len <= sizeof (buf) 267 ? buf 268 : (char *) malloc (msgctxt_len + msgid_len)); 269 if (msg_ctxt_id != NULL) 270#endif 271 { 272 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1); 273 msg_ctxt_id[msgctxt_len - 1] = '\004'; 274 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len); 275 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category); 276#if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 277 if (msg_ctxt_id != buf) 278 free (msg_ctxt_id); 279#endif 280 if (!(translation == msg_ctxt_id || translation == msgid_plural)) 281 return translation; 282 } 283 return (n == 1 ? msgid : msgid_plural); 284} 285 286#endif /* _LIBGETTEXT_H */ 287