dhcpd-pools  3.0
ISC dhcpd lease usage analyser
gettext.h
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1 /* Convenience header for conditional use of GNU <libintl.h>.
2  Copyright (C) 1995-1998, 2000-2002, 2004-2006, 2009-2017 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, see <https://www.gnu.org/licenses/>. */
17 
18 #ifndef _LIBGETTEXT_H
19 #define _LIBGETTEXT_H 1
20 
21 /* NLS can be disabled through the configure --disable-nls option
22  or through "#define ENABLE NLS 0" before including this file. */
23 #if defined ENABLE_NLS && 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
145 inline
146 #endif
147 #endif
148 static const char *
149 pgettext_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
164 inline
165 #endif
166 #endif
167 static const char *
168 npgettext_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 #if (((__GNUC__ >= 3 || __GNUG__ >= 2) && !defined __STRICT_ANSI__) \
188  /* || __STDC_VERSION__ == 199901L
189  || (__STDC_VERSION__ >= 201112L && !defined __STDC_NO_VLA__) */ )
190 # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 1
191 #else
192 # define _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS 0
193 #endif
194 
195 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
196 #include <stdlib.h>
197 #endif
198 
199 #define pgettext_expr(Msgctxt, Msgid) \
200  dcpgettext_expr (NULL, Msgctxt, Msgid, LC_MESSAGES)
201 #define dpgettext_expr(Domainname, Msgctxt, Msgid) \
202  dcpgettext_expr (Domainname, Msgctxt, Msgid, LC_MESSAGES)
203 
204 #ifdef __GNUC__
205 __inline
206 #else
207 #ifdef __cplusplus
208 inline
209 #endif
210 #endif
211 static const char *
212 dcpgettext_expr (const char *domain,
213  const char *msgctxt, const char *msgid,
214  int category)
215 {
216  size_t msgctxt_len = strlen (msgctxt) + 1;
217  size_t msgid_len = strlen (msgid) + 1;
218  const char *translation;
219 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
220  char msg_ctxt_id[msgctxt_len + msgid_len];
221 #else
222  char buf[1024];
223  char *msg_ctxt_id =
224  (msgctxt_len + msgid_len <= sizeof (buf)
225  ? buf
226  : (char *) malloc (msgctxt_len + msgid_len));
227  if (msg_ctxt_id != NULL)
228 #endif
229  {
230  int found_translation;
231  memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
232  msg_ctxt_id[msgctxt_len - 1] = '\004';
233  memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
234  translation = dcgettext (domain, msg_ctxt_id, category);
235  found_translation = (translation != msg_ctxt_id);
236 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
237  if (msg_ctxt_id != buf)
238  free (msg_ctxt_id);
239 #endif
240  if (found_translation)
241  return translation;
242  }
243  return msgid;
244 }
245 
246 #define npgettext_expr(Msgctxt, Msgid, MsgidPlural, N) \
247  dcnpgettext_expr (NULL, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
248 #define dnpgettext_expr(Domainname, Msgctxt, Msgid, MsgidPlural, N) \
249  dcnpgettext_expr (Domainname, Msgctxt, Msgid, MsgidPlural, N, LC_MESSAGES)
250 
251 #ifdef __GNUC__
252 __inline
253 #else
254 #ifdef __cplusplus
255 inline
256 #endif
257 #endif
258 static const char *
259 dcnpgettext_expr (const char *domain,
260  const char *msgctxt, const char *msgid,
261  const char *msgid_plural, unsigned long int n,
262  int category)
263 {
264  size_t msgctxt_len = strlen (msgctxt) + 1;
265  size_t msgid_len = strlen (msgid) + 1;
266  const char *translation;
267 #if _LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
268  char msg_ctxt_id[msgctxt_len + msgid_len];
269 #else
270  char buf[1024];
271  char *msg_ctxt_id =
272  (msgctxt_len + msgid_len <= sizeof (buf)
273  ? buf
274  : (char *) malloc (msgctxt_len + msgid_len));
275  if (msg_ctxt_id != NULL)
276 #endif
277  {
278  int found_translation;
279  memcpy (msg_ctxt_id, msgctxt, msgctxt_len - 1);
280  msg_ctxt_id[msgctxt_len - 1] = '\004';
281  memcpy (msg_ctxt_id + msgctxt_len, msgid, msgid_len);
282  translation = dcngettext (domain, msg_ctxt_id, msgid_plural, n, category);
283  found_translation = !(translation == msg_ctxt_id || translation == msgid_plural);
284 #if !_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS
285  if (msg_ctxt_id != buf)
286  free (msg_ctxt_id);
287 #endif
288  if (found_translation)
289  return translation;
290  }
291  return (n == 1 ? msgid : msgid_plural);
292 }
293 
294 #endif /* _LIBGETTEXT_H */
static const char * dcnpgettext_expr(const char *domain, const char *msgctxt, const char *msgid, const char *msgid_plural, unsigned long int n, int category)
Definition: gettext.h:259
static const char * pgettext_aux(const char *domain, const char *msg_ctxt_id, const char *msgid, int category)
Definition: gettext.h:149
static const char * npgettext_aux(const char *domain, const char *msg_ctxt_id, const char *msgid, const char *msgid_plural, unsigned long int n, int category)
Definition: gettext.h:168
#define dcngettext(Domainname, Msgid1, Msgid2, N, Category)
Definition: gettext.h:83
#define NULL
Definition: stddef.in.h:72
#define dcgettext(Domainname, Msgid, Category)
Definition: gettext.h:72
static const char * dcpgettext_expr(const char *domain, const char *msgctxt, const char *msgid, int category)
Definition: gettext.h:212