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 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)
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 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,
20 #define _LIBGETTEXT_H 1
22 /* NLS can be disabled through the configure --disable-nls option.
24 * Extra hack in LZMA Utils: if DISABLE_NLS is defined, NLS is disabled
25 * even if ENABLE_NLS is true. See Makefile.am for more information.
27 #if ENABLE_NLS && !defined(DISABLE_NLS)
29 /* Get declarations of GNU message catalog functions. */
32 /* You can set the DEFAULT_TEXT_DOMAIN macro to specify the domain used by
33 the gettext() and ngettext() macros. This is an alternative to calling
34 textdomain(), and is useful for libraries. */
35 # ifdef DEFAULT_TEXT_DOMAIN
37 # define gettext(Msgid) \
38 dgettext (DEFAULT_TEXT_DOMAIN, Msgid)
40 # define ngettext(Msgid1, Msgid2, N) \
41 dngettext (DEFAULT_TEXT_DOMAIN, Msgid1, Msgid2, N)
46 /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
47 chokes if dcgettext is defined as a macro. So include it now, to make
48 later inclusions of <locale.h> a NOP. We don't include <libintl.h>
49 as well because people using "gettext.h" will not include <libintl.h>,
50 and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
56 /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
57 <libintl.h>, which chokes if dcgettext is defined as a macro. So include
58 it now, to make later inclusions of <libintl.h> a NOP. */
59 #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
61 # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
67 The casts to 'const char *' serve the purpose of producing warnings
68 for invalid uses of the value returned from these functions.
69 On pre-ANSI systems without 'const', the config.h file is supposed to
70 contain "#define const". */
71 # define gettext(Msgid) ((const char *) (Msgid))
72 # define dgettext(Domainname, Msgid) ((const char *) (Msgid))
73 # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid))
74 # define ngettext(Msgid1, Msgid2, N) \
75 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
76 # define dngettext(Domainname, Msgid1, Msgid2, N) \
77 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
78 # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
79 ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
80 # define textdomain(Domainname) ((const char *) (Domainname))
81 # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname))
82 # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset))
86 /* A pseudo function call that serves as a marker for the automated
87 extraction of messages, but does not call gettext(). The run-time
88 translation is done at a different place in the code.
89 The argument, String, should be a literal string. Concatenated strings
90 and other string expressions won't work.
91 The macro's expansion is not parenthesized, so that it is suitable as
92 initializer for static 'char[]' or 'const char[]' variables. */
93 #define gettext_noop(String) String
95 /* The separator between msgctxt and msgid in a .mo file. */
96 #define GETTEXT_CONTEXT_GLUE "\004"
98 /* Pseudo function calls, taking a MSGCTXT and a MSGID instead of just a
99 MSGID. MSGCTXT and MSGID must be string literals. MSGCTXT should be
100 short and rarely need to change.
101 The letter 'p' stands for 'particular' or 'special'. */
102 #ifdef DEFAULT_TEXT_DOMAIN
103 # define pgettext(Msgctxt, Msgid) \
104 pgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
106 # define pgettext(Msgctxt, Msgid) \
107 pgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
109 #define dpgettext(Domainname, Msgctxt, Msgid) \
110 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, LC_MESSAGES)
111 #define dcpgettext(Domainname, Msgctxt, Msgid, Category) \
112 pgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, Category)
113 #ifdef DEFAULT_TEXT_DOMAIN
114 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
115 npgettext_aux (DEFAULT_TEXT_DOMAIN, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
117 # define npgettext(Msgctxt, Msgid, MsgidPlural, N) \
118 npgettext_aux (NULL, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
120 #define dnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
121 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, LC_MESSAGES)
122 #define dcnpgettext(Domainname, Msgctxt, Msgid, MsgidPlural, N, Category) \
123 npgettext_aux (Domainname, Msgctxt GETTEXT_CONTEXT_GLUE Msgid, Msgid, MsgidPlural, N, Category)
125 static inline const char *
126 pgettext_aux (const char *domain,
127 const char *msg_ctxt_id, const char *msgid,
130 const char *translation = dcgettext (domain, msg_ctxt_id, category);
131 if (translation == msg_ctxt_id)
137 static inline const char *
138 npgettext_aux (const char *domain,
139 const char *msg_ctxt_id, const char *msgid,
140 const char *msgid_plural, unsigned long int n,
143 const char *translation =
144 dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
145 if (translation == msg_ctxt_id || translation == msgid_plural)
146 return (n == 1 ? msgid : msgid_plural);
151 /* The same thing extended for non-constant arguments. Here MSGCTXT and MSGID
152 can be arbitrary expressions. But for string literals these macros are
153 less efficient than those above. */
157 #define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 1
159 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
163 #define pgettext_expr(Msgctxt, Msgid) \
164 dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
165 #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
166 dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
168 static inline const char *
169 dcpgettext_expr (const char *domain,
170 const char *msgctxt, const char *msgid,
173 size_t msgctxt_len = strlen (msgctxt) + 1;
174 size_t msgid_len = strlen (msgid) + 1;
175 const char *translation;
176 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
177 char msg_ctxt_id[msgctxt_len + msgid_len];
181 (msgctxt_len + msgid_len <= sizeof (buf)
183 : (char *) malloc (msgctxt_len + msgid_len));
184 if (msg_ctxt_id != NULL)
187 memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
188 msg_ctxt_id[msgctxt_len - 1] = '\004';
189 memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
190 translation = dcgettext (domain, msg_ctxt_id, category);
191 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
192 if (msg_ctxt_id != buf)
195 if (translation != msg_ctxt_id)
201 #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
202 dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
203 #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
204 dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
206 static inline const char *
207 dcnpgettext_expr (const char *domain,
208 const char *msgctxt, const char *msgid,
209 const char *msgid_plural, unsigned long int n,
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];
220 (msgctxt_len + msgid_len <= sizeof (buf)
222 : (char *) malloc (msgctxt_len + msgid_len));
223 if (msg_ctxt_id != NULL)
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 = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
230 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
231 if (msg_ctxt_id != buf)
234 if (!(translation == msg_ctxt_id || translation == msgid_plural))
237 return (n == 1 ? msgid : msgid_plural);
240 #endif /* _LIBGETTEXT_H */