1 /* Convenience header for conditional use of GNU <libintl.h>.
2 Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published
6 by the Free Software Foundation; either version 3, or (at your option)
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.
14 You should have received a copy of the GNU 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,
20 #define _LIBGETTEXT_H 1
22 /* NLS can be disabled through the configure --disable-nls option. */
25 /* Get declarations of GNU message catalog functions. */
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
33 # define gettext(Msgid) \
34 dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
36 # define ngettext(Msgid1, Msgid2, N) \
37 dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
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>
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)
57 # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
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". */
68 # define gettext(Msgid) ((const char *) (Msgid))
70 # define dgettext(Domainname, Msgid) ((void) (Domainname), gettext (Msgid))
72 # define dcgettext(Domainname, Msgid, Category) \
73 ((void) (Category), dgettext (Domainname, Msgid))
75 # define ngettext(Msgid1, Msgid2, N) \
77 ? ((void) (Msgid2), (const char *) (Msgid1)) \
78 : ((void) (Msgid1), (const char *) (Msgid2)))
80 # define dngettext(Domainname, Msgid1, Msgid2, N) \
81 ((void) (Domainname), ngettext (Msgid1, Msgid2, N))
83 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
84 ((void) (Category), dngettext(Domainname, Msgid1, Msgid2, N))
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))
96 /* A pseudo function call that serves as a marker for the automated
97 extraction of messages, but does not call gettext(). The run-time
98 translation is done at a different place in the code.
99 The argument, String, should be a literal string. Concatenated strings
100 and other string expressions won't work.
101 The macro's expansion is not parenthesized, so that it is suitable as
102 initializer for static 'char[]' or 'const char[]' variables. */
103 #define gettext_noop(String) String
105 /* The separator between msgctxt and msgid in a .mo file. */
106 #define GETTEXT_CONTEXT_GLUE "\004"
108 /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
109 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
110 short and rarely need to change.
111 The letter 'p' stands for 'particular' or 'special'. */
112 #ifdef DEFAULT_TEXT_DOMAIN
113 # define pgettext(Msgctxt, Msgid) \
114 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
116 # define pgettext(Msgctxt, Msgid) \
117 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
119 #define dpgettext(Domainname, Msgctxt, Msgid) \
120 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
121 #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
122 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
123 #ifdef DEFAULT_TEXT_DOMAIN
124 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
125 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
127 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
128 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
130 #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
131 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
132 #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
133 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
143 pgettext_aux (const char *domain,
144 const char *msg_ctxt_id, const char *msgid,
147 const char *translation = dcgettext (domain, msg_ctxt_id, category);
148 if (translation == msg_ctxt_id)
162 npgettext_aux (const char *domain,
163 const char *msg_ctxt_id, const char *msgid,
164 const char *msgid_plural, unsigned long int n,
167 const char *translation =
168 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
169 if (translation == msg_ctxt_id || translation == msgid_plural)
170 return (n == 1 ? msgid : msgid_plural);
175 /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
176 can be arbitrary expressions. But for string literals these macros are
177 less efficient than those above. */
181 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
182 (((__GNUC__ >= 3 || __GNUG__ >= 2) && !__STRICT_ANSI__) \
183 /* || __STDC_VERSION__ >= 199901L */ )
185 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
189 #define pgettext_expr(Msgctxt, Msgid) \
190 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
191 #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
192 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
202 dcpgettext_expr (const char *domain,
203 const char *msgctxt, const char *msgid,
206 size_t msgctxt_len = strlen (msgctxt) + 1;
207 size_t msgid_len = strlen (msgid) + 1;
208 const char *translation;
209 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
210 char msg_ctxt_id[msgctxt_len + msgid_len];
214 (msgctxt_len + msgid_len <= sizeof (buf)
216 : (char *) malloc (msgctxt_len + msgid_len));
217 if (msg_ctxt_id != NULL)
220 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
221 msg_ctxt_id[msgctxt_len - 1] = '\004';
222 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
223 translation = dcgettext (domain, msg_ctxt_id, category);
224 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
225 if (msg_ctxt_id != buf)
228 if (translation != msg_ctxt_id)
234 #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
235 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
236 #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
237 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
247 dcnpgettext_expr (const char *domain,
248 const char *msgctxt, const char *msgid,
249 const char *msgid_plural, unsigned long int n,
252 size_t msgctxt_len = strlen (msgctxt) + 1;
253 size_t msgid_len = strlen (msgid) + 1;
254 const char *translation;
255 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
256 char msg_ctxt_id[msgctxt_len + msgid_len];
260 (msgctxt_len + msgid_len <= sizeof (buf)
262 : (char *) malloc (msgctxt_len + msgid_len));
263 if (msg_ctxt_id != NULL)
266 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
267 msg_ctxt_id[msgctxt_len - 1] = '\004';
268 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
269 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
270 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
271 if (msg_ctxt_id != buf)
274 if (!(translation == msg_ctxt_id || translation == msgid_plural))
277 return (n == 1 ? msgid : msgid_plural);
280 #endif /* _LIBGETTEXT_H */