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/*-
* Copyright (c) 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Paul Borman at Krystal Technologies.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)rune.c 8.1 (Berkeley) 6/4/93";
#endif /* LIBC_SCCS and not lint */
#include <ctype.h>
#include <errno.h>
#include <limits.h>
#include <rune.h>
#include <stdio.h>
#include <stdlib.h>
#include "common_rune.h"
char *_PathLocale;
extern int _none_init __P((_RuneLocale *));
extern int _UTF2_init __P((_RuneLocale *));
extern int _EUC_init __P((_RuneLocale *));
int
setrunelocale(encoding)
char *encoding;
{
FILE *fp;
char name[PATH_MAX];
_RuneLocale *rl;
if (!encoding)
return(EFAULT);
/*
* The "C" and "POSIX" locale are always here.
*/
if (!strcmp(encoding, "C") || !strcmp(encoding, "POSIX")) {
_CurrentRuneLocale = &_DefaultRuneLocale;
return(0);
}
if (!PathLocale && !(PathLocale = getenv("PATH_LOCALE")))
PathLocale = _PATH_LOCALE;
(void) strcpy(name, PathLocale);
(void) strcat(name, "/");
(void) strcat(name, encoding);
(void) strcat(name, "/LC_CTYPE");
if ((fp = fopen(name, "r")) == NULL)
return(ENOENT);
if ((rl = _Read_RuneMagi(fp)) == 0) {
fclose(fp);
return(EFTYPE);
}
if (!rl->encoding[0] || !strcmp(rl->encoding, "UTF2")) {
return(_UTF2_init(rl));
} else if (!strcmp(rl->encoding, "NONE")) {
return(_none_init(rl));
} else if (!strcmp(rl->encoding, "EUC")) {
return(_EUC_init(rl));
} else
return(EINVAL);
}
void
setinvalidrune(ir)
rune_t ir;
{
_INVALID_RUNE = ir;
}
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