xref: /netbsd-src/external/gpl2/xcvs/dist/lib/gettext.h (revision a7c918477dd5f12c1da816ba05caf44eab2d06d6)
1*a7c91847Schristos /* Convenience header for conditional use of GNU <libintl.h>.
2*a7c91847Schristos    Copyright (C) 1995-1998, 2000-2002, 2004 Free Software Foundation, Inc.
3*a7c91847Schristos 
4*a7c91847Schristos    This program is free software; you can redistribute it and/or modify
5*a7c91847Schristos    it under the terms of the GNU General Public License as published by
6*a7c91847Schristos    the Free Software Foundation; either version 2, or (at your option)
7*a7c91847Schristos    any later version.
8*a7c91847Schristos 
9*a7c91847Schristos    This program is distributed in the hope that it will be useful,
10*a7c91847Schristos    but WITHOUT ANY WARRANTY; without even the implied warranty of
11*a7c91847Schristos    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12*a7c91847Schristos    GNU General Public License for more details.
13*a7c91847Schristos 
14*a7c91847Schristos    You should have received a copy of the GNU General Public License along
15*a7c91847Schristos    with this program; if not, write to the Free Software Foundation,
16*a7c91847Schristos    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
17*a7c91847Schristos 
18*a7c91847Schristos #ifndef _LIBGETTEXT_H
19*a7c91847Schristos #define _LIBGETTEXT_H 1
20*a7c91847Schristos 
21*a7c91847Schristos /* NLS can be disabled through the configure --disable-nls option.  */
22*a7c91847Schristos #if ENABLE_NLS
23*a7c91847Schristos 
24*a7c91847Schristos /* Get declarations of GNU message catalog functions.  */
25*a7c91847Schristos # include <libintl.h>
26*a7c91847Schristos 
27*a7c91847Schristos #else
28*a7c91847Schristos 
29*a7c91847Schristos /* Solaris /usr/include/locale.h includes /usr/include/libintl.h, which
30*a7c91847Schristos    chokes if dcgettext is defined as a macro.  So include it now, to make
31*a7c91847Schristos    later inclusions of <locale.h> a NOP.  We don't include <libintl.h>
32*a7c91847Schristos    as well because people using "gettext.h" will not include <libintl.h>,
33*a7c91847Schristos    and also including <libintl.h> would fail on SunOS 4, whereas <locale.h>
34*a7c91847Schristos    is OK.  */
35*a7c91847Schristos #if defined(__sun)
36*a7c91847Schristos # include <locale.h>
37*a7c91847Schristos #endif
38*a7c91847Schristos 
39*a7c91847Schristos /* Many header files from the libstdc++ coming with g++ 3.3 or newer include
40*a7c91847Schristos    <libintl.h>, which chokes if dcgettext is defined as a macro.  So include
41*a7c91847Schristos    it now, to make later inclusions of <libintl.h> a NOP.  */
42*a7c91847Schristos #if defined(__cplusplus) && defined(__GNUG__) && (__GNUC__ >= 3)
43*a7c91847Schristos # include <cstdlib>
44*a7c91847Schristos # if (__GLIBC__ >= 2) || _GLIBCXX_HAVE_LIBINTL_H
45*a7c91847Schristos #  include <libintl.h>
46*a7c91847Schristos # endif
47*a7c91847Schristos #endif
48*a7c91847Schristos 
49*a7c91847Schristos /* Disabled NLS.
50*a7c91847Schristos    The casts to 'const char *' serve the purpose of producing warnings
51*a7c91847Schristos    for invalid uses of the value returned from these functions.
52*a7c91847Schristos    On pre-ANSI systems without 'const', the config.h file is supposed to
53*a7c91847Schristos    contain "#define const".  */
54*a7c91847Schristos # define gettext(Msgid) ((const char *) (Msgid))
55*a7c91847Schristos # define dgettext(Domainname, Msgid) ((const char *) (Msgid))
56*a7c91847Schristos # define dcgettext(Domainname, Msgid, Category) ((const char *) (Msgid))
57*a7c91847Schristos # define ngettext(Msgid1, Msgid2, N) \
58*a7c91847Schristos     ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
59*a7c91847Schristos # define dngettext(Domainname, Msgid1, Msgid2, N) \
60*a7c91847Schristos     ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
61*a7c91847Schristos # define dcngettext(Domainname, Msgid1, Msgid2, N, Category) \
62*a7c91847Schristos     ((N) == 1 ? (const char *) (Msgid1) : (const char *) (Msgid2))
63*a7c91847Schristos # define textdomain(Domainname) ((const char *) (Domainname))
64*a7c91847Schristos # define bindtextdomain(Domainname, Dirname) ((const char *) (Dirname))
65*a7c91847Schristos # define bind_textdomain_codeset(Domainname, Codeset) ((const char *) (Codeset))
66*a7c91847Schristos 
67*a7c91847Schristos #endif
68*a7c91847Schristos 
69*a7c91847Schristos /* A pseudo function call that serves as a marker for the automated
70*a7c91847Schristos    extraction of messages, but does not call gettext().  The run-time
71*a7c91847Schristos    translation is done at a different place in the code.
72*a7c91847Schristos    The argument, String, should be a literal string.  Concatenated strings
73*a7c91847Schristos    and other string expressions won't work.
74*a7c91847Schristos    The macro's expansion is not parenthesized, so that it is suitable as
75*a7c91847Schristos    initializer for static 'char[]' or 'const char[]' variables.  */
76*a7c91847Schristos #define gettext_noop(String) String
77*a7c91847Schristos 
78*a7c91847Schristos #endif /* _LIBGETTEXT_H */
79