gcc/intl.c

   1 /* Message translation utilities.
   2    Copyright (C) 2001, 2003 Free Software Foundation, Inc.
   3
   4 This file is part of GCC.
   5
   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.
  10
  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.
  15
  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.  */
  20
  21 #include "config.h"
  22 #include "system.h"
  23 #include "coretypes.h"
  24 #include "tm.h"
  25 #include "intl.h"
  26
  27 #ifdef ENABLE_NLS
  28
  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.  */
  33
  34 void
  35 gcc_init_libintl (void)
  36 {
  37 #ifdef HAVE_LC_MESSAGES
  38   setlocale (LC_CTYPE, "");
  39   setlocale (LC_MESSAGES, "");
  40 #else
  41   setlocale (LC_ALL, "");
  42 #endif
  43
  44   (void) bindtextdomain ("gcc", LOCALEDIR);
  45   (void) textdomain ("gcc");
  46 }
  47
  48 #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
  49 #include <wchar.h>
  50
  51 /* Returns the width in columns of MSGSTR, which came from gettext.
  52    This is for indenting subsequent output.  */
  53
  54 size_t
  55 gcc_gettext_width (const char *msgstr)
  56 {
  57   size_t nwcs = mbstowcs (0, msgstr, 0);
  58   wchar_t *wmsgstr = alloca ((nwcs + 1) * sizeof (wchar_t));
  59
  60   mbstowcs (wmsgstr, msgstr, nwcs + 1);
  61   return wcswidth (wmsgstr, nwcs);
  62 }
  63
  64 #else  /* no wcswidth */
  65
  66 /* We don't have any way of knowing how wide the string is.  Guess
  67    the length of the string.  */
  68
  69 size_t
  70 gcc_gettext_width (const char *msgstr)
  71 {
  72   return strlen (msgstr);
  73 }
  74
  75 #endif
  76
  77 #endif /* ENABLE_NLS */