xref: /openbsd-src/gnu/gcc/gcc/intl.c (revision 404b540a9034ac75a6199ad1a32d1bbc7a0d4210)
1 /* Message translation utilities.
2    Copyright (C) 2001, 2003, 2004, 2005 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, 51 Franklin Street, Fifth Floor, Boston, MA
19 02110-1301, 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 HAVE_LANGINFO_CODESET
28 #include <langinfo.h>
29 #endif
30 
31 /* Opening quotation mark for diagnostics.  */
32 const char *open_quote = "'";
33 
34 /* Closing quotation mark for diagnostics.  */
35 const char *close_quote = "'";
36 
37 #ifdef ENABLE_NLS
38 
39 /* Initialize the translation library for GCC.  This performs the
40    appropriate sequence of calls - setlocale, bindtextdomain,
41    textdomain.  LC_CTYPE determines the character set used by the
42    terminal, so it has be set to output messages correctly.  */
43 
44 void
gcc_init_libintl(void)45 gcc_init_libintl (void)
46 {
47 #ifdef HAVE_LC_MESSAGES
48   setlocale (LC_CTYPE, "");
49   setlocale (LC_MESSAGES, "");
50 #else
51   setlocale (LC_ALL, "");
52 #endif
53 
54   (void) bindtextdomain ("gcc", LOCALEDIR);
55   (void) textdomain ("gcc");
56 
57   /* Opening quotation mark.  */
58   open_quote = _("`");
59 
60   /* Closing quotation mark.  */
61   close_quote = _("'");
62 
63   if (!strcmp (open_quote, "`") && !strcmp (close_quote, "'"))
64     {
65 #if defined HAVE_LANGINFO_CODESET
66       const char *encoding;
67 #endif
68       /* Untranslated quotes that it may be possible to replace with
69 	 U+2018 and U+2019; but otherwise use "'" instead of "`" as
70 	 opening quote.  */
71       open_quote = "'";
72 #if defined HAVE_LANGINFO_CODESET
73       encoding = nl_langinfo (CODESET);
74       if (encoding != NULL
75 	  && (!strcasecmp (encoding, "utf-8")
76 	      || !strcasecmp (encoding, "utf8")))
77 	{
78 	  open_quote = "\xe2\x80\x98";
79 	  close_quote = "\xe2\x80\x99";
80 	}
81 #endif
82     }
83 }
84 
85 #if defined HAVE_WCHAR_H && defined HAVE_WORKING_MBSTOWCS && defined HAVE_WCSWIDTH
86 #include <wchar.h>
87 
88 /* Returns the width in columns of MSGSTR, which came from gettext.
89    This is for indenting subsequent output.  */
90 
91 size_t
gcc_gettext_width(const char * msgstr)92 gcc_gettext_width (const char *msgstr)
93 {
94   size_t nwcs = mbstowcs (0, msgstr, 0);
95   wchar_t *wmsgstr = alloca ((nwcs + 1) * sizeof (wchar_t));
96 
97   mbstowcs (wmsgstr, msgstr, nwcs + 1);
98   return wcswidth (wmsgstr, nwcs);
99 }
100 
101 #else  /* no wcswidth */
102 
103 /* We don't have any way of knowing how wide the string is.  Guess
104    the length of the string.  */
105 
106 size_t
gcc_gettext_width(const char * msgstr)107 gcc_gettext_width (const char *msgstr)
108 {
109   return strlen (msgstr);
110 }
111 
112 #endif
113 
114 #endif /* ENABLE_NLS */
115