1 /* Convenience header for conditional use of GNU <libintl.h>.
2 Copyright (C) 1995-1998, 2000-2002, 2004-2006 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, 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
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License along
15 with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
19 #define _LIBGETTEXT_H 1
21 /* NLS can be disabled through the configure --disable-nls option. */
24 /* Get declarations of GNU message catalog functions. */
27 /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
28 the gettext() and ngettext() macros. This is an alternative to calling
29 textdomain(), and is useful for libraries. */
30 # ifdef DEFAULT_TEXT_DOMAIN
32 # define gettext(Msgid) \
33 dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
35 # define ngettext(Msgid1, Msgid2, N) \
36 dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
41 /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
42 chokes if dcgettext is defined as a macro. So include it now, to make
43 later inclusions of <locale.h> a NOP. We don't include <libintl.h>
44 as well because people using "gettext.h" will not include <libintl.h>,
45 and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
51 /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
52 <libintl.h>, which chokes if dcgettext is defined as a macro. So include
53 it now, to make later inclusions of <libintl.h> a NOP. */
54 #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
56 # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
62 The casts to 'const char *' serve the purpose of producing warnings
63 for invalid uses of the value returned from these functions.
64 On pre-ANSI systems without 'const', the config.h file is supposed to
65 contain "#define const". */
66 # define gettext(Msgid) ((const char *) (Msgid))
67 # define dgettext(Domainname, Msgid) ((const char *) (Msgid))
68 # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid))
69 # define ngettext(Msgid1, Msgid2, N) \
70 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
71 # define dngettext(Domainname, Msgid1, Msgid2, N) \
72 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
73 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
74 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
75 # define textdomain(Domainname) ((const char *) (Domainname))
76 # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname))
77 # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset))
81 /* A pseudo function call that serves as a marker for the automated
82 extraction of messages, but does not call gettext(). The run-time
83 translation is done at a different place in the code.
84 The argument, String, should be a literal string. Concatenated strings
85 and other string expressions won't work.
86 The macro's expansion is not parenthesized, so that it is suitable as
87 initializer for static 'char[]' or 'const char[]' variables. */
88 #define gettext_noop(String) String
90 /* The separator between msgctxt and msgid in a .mo file. */
91 #define GETTEXT_CONTEXT_GLUE "\004"
93 /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
94 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
95 short and rarely need to change.
96 The letter 'p' stands for 'particular' or 'special'. */
97 #ifdef DEFAULT_TEXT_DOMAIN
98 # define pgettext(Msgctxt, Msgid) \
99 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
101 # define pgettext(Msgctxt, Msgid) \
102 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
104 #define dpgettext(Domainname, Msgctxt, Msgid) \
105 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
106 #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
107 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
108 #ifdef DEFAULT_TEXT_DOMAIN
109 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
110 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
112 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
113 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
115 #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
116 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
117 #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
118 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
128 pgettext_aux (const char *domain,
129 const char *msg_ctxt_id, const char *msgid,
132 const char *translation = dcgettext (domain, msg_ctxt_id, category);
133 if (translation == msg_ctxt_id)
147 npgettext_aux (const char *domain,
148 const char *msg_ctxt_id, const char *msgid,
149 const char *msgid_plural, unsigned long int n,
152 const char *translation =
153 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
154 if (translation == msg_ctxt_id || translation == msgid_plural)
155 return (n == 1 ? msgid : msgid_plural);
160 /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
161 can be arbitrary expressions. But for string literals these macros are
162 less efficient than those above. */
166 /* GCC supports variable-size arrays in C and C++ mode.
167 ISO C++ supports variable-size arrays, but some older PGI and Sun compilers
169 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS \
171 || (defined __cplusplus && !(defined __PGI || defined __SUNPRO_CC)))
173 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
177 #define pgettext_expr(Msgctxt, Msgid) \
178 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
179 #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
180 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
190 dcpgettext_expr (const char *domain,
191 const char *msgctxt, const char *msgid,
194 size_t msgctxt_len = strlen (msgctxt) + 1;
195 size_t msgid_len = strlen (msgid) + 1;
196 const char *translation;
197 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
198 char msg_ctxt_id[msgctxt_len + msgid_len];
202 (msgctxt_len + msgid_len <= sizeof (buf)
204 : (char *) malloc (msgctxt_len + msgid_len));
205 if (msg_ctxt_id != NULL)
208 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
209 msg_ctxt_id[msgctxt_len - 1] = '\004';
210 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
211 translation = dcgettext (domain, msg_ctxt_id, category);
212 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
213 if (msg_ctxt_id != buf)
216 if (translation != msg_ctxt_id)
222 #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
223 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
224 #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
225 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
235 dcnpgettext_expr (const char *domain,
236 const char *msgctxt, const char *msgid,
237 const char *msgid_plural, unsigned long int n,
240 size_t msgctxt_len = strlen (msgctxt) + 1;
241 size_t msgid_len = strlen (msgid) + 1;
242 const char *translation;
243 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
244 char msg_ctxt_id[msgctxt_len + msgid_len];
248 (msgctxt_len + msgid_len <= sizeof (buf)
250 : (char *) malloc (msgctxt_len + msgid_len));
251 if (msg_ctxt_id != NULL)
254 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
255 msg_ctxt_id[msgctxt_len - 1] = '\004';
256 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
257 translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
258 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
259 if (msg_ctxt_id != buf)
262 if (!(translation == msg_ctxt_id || translation == msgid_plural))
265 return (n == 1 ? msgid : msgid_plural);
268 #endif /* _LIBGETTEXT_H */