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/* Message list charset and locale charset handling.
Copyright (C) 2001-2003, 2005-2007, 2009, 2015-2016 Free Software
Foundation, Inc.
Written by Bruno Haible <haible@clisp.cons.org>, 2001.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <alloca.h>
/* Specification. */
#include "msgl-charset.h"
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include "po-charset.h"
#include "localcharset.h"
#include "error.h"
#include "progname.h"
#include "basename.h"
#include "xmalloca.h"
#include "xerror.h"
#include "xvasprintf.h"
#include "message.h"
#include "c-strstr.h"
#include "gettext.h"
#define _(str) gettext (str)
void
compare_po_locale_charsets (const msgdomain_list_ty *mdlp)
{
const char *locale_code;
const char *canon_locale_code;
bool warned;
size_t j, k;
/* Check whether the locale encoding and the PO file's encoding are the
same. Otherwise emit a warning. */
locale_code = locale_charset ();
canon_locale_code = po_charset_canonicalize (locale_code);
warned = false;
for (k = 0; k < mdlp->nitems; k++)
{
const message_list_ty *mlp = mdlp->item[k]->messages;
for (j = 0; j < mlp->nitems; j++)
if (is_header (mlp->item[j]) && !mlp->item[j]->obsolete)
{
const char *header = mlp->item[j]->msgstr;
if (header != NULL)
{
const char *charsetstr = c_strstr (header, "charset=");
if (charsetstr != NULL)
{
size_t len;
char *charset;
const char *canon_charset;
charsetstr += strlen ("charset=");
len = strcspn (charsetstr, " \t\n");
charset = (char *) xmalloca (len + 1);
memcpy (charset, charsetstr, len);
charset[len] = '\0';
canon_charset = po_charset_canonicalize (charset);
if (canon_charset == NULL)
error (EXIT_FAILURE, 0,
_("\
present charset \"%s\" is not a portable encoding name"),
charset);
freea (charset);
if (canon_locale_code != canon_charset)
{
multiline_warning (xasprintf (_("warning: ")),
xasprintf (_("\
Locale charset \"%s\" is different from\n\
input file charset \"%s\".\n\
Output of '%s' might be incorrect.\n\
Possible workarounds are:\n\
"), locale_code, canon_charset, basename (program_name)));
multiline_warning (NULL,
xasprintf (_("\
- Set LC_ALL to a locale with encoding %s.\n\
"), canon_charset));
if (canon_locale_code != NULL)
multiline_warning (NULL,
xasprintf (_("\
- Convert the translation catalog to %s using 'msgconv',\n\
then apply '%s',\n\
then convert back to %s using 'msgconv'.\n\
"), canon_locale_code, basename (program_name), canon_charset));
if (strcmp (canon_charset, "UTF-8") != 0
&& (canon_locale_code == NULL
|| strcmp (canon_locale_code, "UTF-8") != 0))
multiline_warning (NULL,
xasprintf (_("\
- Set LC_ALL to a locale with encoding %s,\n\
convert the translation catalog to %s using 'msgconv',\n\
then apply '%s',\n\
then convert back to %s using 'msgconv'.\n\
"), "UTF-8", "UTF-8", basename (program_name), canon_charset));
warned = true;
}
}
}
}
}
if (canon_locale_code == NULL && !warned)
multiline_warning (xasprintf (_("warning: ")),
xasprintf (_("\
Locale charset \"%s\" is not a portable encoding name.\n\
Output of '%s' might be incorrect.\n\
A possible workaround is to set LC_ALL=C.\n\
"), locale_code, basename (program_name)));
}
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