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/* Copyright (C) 1995-1998, 2000, 2001 Free Software Foundation, Inc.
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published
by the Free Software Foundation; either version 2, 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301,
USA. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include "loadinfo.h"
/* On some strange systems still no definition of NULL is found. Sigh! */
#ifndef NULL
# if defined __STDC__ && __STDC__
# define NULL ((void *) 0)
# else
# define NULL 0
# endif
#endif
/* @@ end of prolog @@ */
char *
_nl_find_language (name)
const char *name;
{
while (name[0] != '\0' && name[0] != '_' && name[0] != '@'
&& name[0] != '+' && name[0] != ',')
++name;
return (char *) name;
}
int
_nl_explode_name (name, language, modifier, territory, codeset,
normalized_codeset, special, sponsor, revision)
char *name;
const char **language;
const char **modifier;
const char **territory;
const char **codeset;
const char **normalized_codeset;
const char **special;
const char **sponsor;
const char **revision;
{
enum { undecided, xpg, cen } syntax;
char *cp;
int mask;
*modifier = NULL;
*territory = NULL;
*codeset = NULL;
*normalized_codeset = NULL;
*special = NULL;
*sponsor = NULL;
*revision = NULL;
/* Now we determine the single parts of the locale name. First
look for the language. Termination symbols are `_' and `@' if
we use XPG4 style, and `_', `+', and `,' if we use CEN syntax. */
mask = 0;
syntax = undecided;
*language = cp = name;
cp = _nl_find_language (*language);
if (*language == cp)
/* This does not make sense: language has to be specified. Use
this entry as it is without exploding. Perhaps it is an alias. */
cp = strchr (*language, '\0');
else if (cp[0] == '_')
{
/* Next is the territory. */
cp[0] = '\0';
*territory = ++cp;
while (cp[0] != '\0' && cp[0] != '.' && cp[0] != '@'
&& cp[0] != '+' && cp[0] != ',' && cp[0] != '_')
++cp;
mask |= TERRITORY;
if (cp[0] == '.')
{
/* Next is the codeset. */
syntax = xpg;
cp[0] = '\0';
*codeset = ++cp;
while (cp[0] != '\0' && cp[0] != '@')
++cp;
mask |= XPG_CODESET;
if (*codeset != cp && (*codeset)[0] != '\0')
{
*normalized_codeset = _nl_normalize_codeset (*codeset,
cp - *codeset);
if (strcmp (*codeset, *normalized_codeset) == 0)
free ((char *) *normalized_codeset);
else
mask |= XPG_NORM_CODESET;
}
}
}
if (cp[0] == '@' || (syntax != xpg && cp[0] == '+'))
{
/* Next is the modifier. */
syntax = cp[0] == '@' ? xpg : cen;
cp[0] = '\0';
*modifier = ++cp;
while (syntax == cen && cp[0] != '\0' && cp[0] != '+'
&& cp[0] != ',' && cp[0] != '_')
++cp;
mask |= XPG_MODIFIER | CEN_AUDIENCE;
}
if (syntax != xpg && (cp[0] == '+' || cp[0] == ',' || cp[0] == '_'))
{
syntax = cen;
if (cp[0] == '+')
{
/* Next is special application (CEN syntax). */
cp[0] = '\0';
*special = ++cp;
while (cp[0] != '\0' && cp[0] != ',' && cp[0] != '_')
++cp;
mask |= CEN_SPECIAL;
}
if (cp[0] == ',')
{
/* Next is sponsor (CEN syntax). */
cp[0] = '\0';
*sponsor = ++cp;
while (cp[0] != '\0' && cp[0] != '_')
++cp;
mask |= CEN_SPONSOR;
}
if (cp[0] == '_')
{
/* Next is revision (CEN syntax). */
cp[0] = '\0';
*revision = ++cp;
mask |= CEN_REVISION;
}
}
/* For CEN syntax values it might be important to have the
separator character in the file name, not for XPG syntax. */
if (syntax == xpg)
{
if (*territory != NULL && (*territory)[0] == '\0')
mask &= ~TERRITORY;
if (*codeset != NULL && (*codeset)[0] == '\0')
mask &= ~XPG_CODESET;
if (*modifier != NULL && (*modifier)[0] == '\0')
mask &= ~XPG_MODIFIER;
}
return mask;
}
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