PR c++/3478
[official-gcc.git] / gcc / intl.c
blob04613294ac4191341111b0f21a1fed2e619691b1
1 /* Message translation utilities.
2 Copyright (C) 2001, 2003 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 2, or (at your option) any later
9 version.
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 for more details.
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING. If not, write to the Free
18 Software Foundation, 59 Temple Place - Suite 330, Boston, MA
19 02111-1307, USA. */
21 #include "config.h"
22 #include "system.h"
23 #include "coretypes.h"
24 #include "tm.h"
25 #include "intl.h"
27 #ifdef ENABLE_NLS
29 /* Initialize the translation library for GCC. This performs the
30 appropriate sequence of calls - setlocale, bindtextdomain,
31 textdomain. LC_CTYPE determines the character set used by the
32 terminal, so it has be set to output messages correctly. */
34 void
35 gcc_init_libintl (void)
37 #ifdef HAVE_LC_MESSAGES
38 setlocale (LC_CTYPE, "");
39 setlocale (LC_MESSAGES, "");
40 #else
41 setlocale (LC_ALL, "");
42 #endif
44 (void) bindtextdomain ("gcc", LOCALEDIR);
45 (void) textdomain ("gcc");
48 #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
49 #include <wchar.h>
51 /* Returns the width in columns of MSGSTR, which came from gettext.
52 This is for indenting subsequent output. */
54 size_t
55 gcc_gettext_width (const char *msgstr)
57 size_t nwcs = mbstowcs (0, msgstr, 0);
58 wchar_t *wmsgstr = alloca ((nwcs + 1) * sizeof (wchar_t));
60 mbstowcs (wmsgstr, msgstr, nwcs + 1);
61 return wcswidth (wmsgstr, nwcs);
64 #else /* no wcswidth */
66 /* We don't have any way of knowing how wide the string is. Guess
67 the length of the string. */
69 size_t
70 gcc_gettext_width (const char *msgstr)
72 return strlen (msgstr);
75 #endif
77 #endif /* ENABLE_NLS */