bcd54758b8
LC_NUMERIC. The code used to load LC_TIME was refactored in to a more general routine. This common routine is now used to load LC_TIME along with the newly added categories. Changes discussed with/reviewed by christos.
155 lines
4.0 KiB
C
155 lines
4.0 KiB
C
/* $NetBSD: localeio.c,v 1.1 2008/05/17 03:49:54 ginsbach Exp $ */
|
|
/*
|
|
* Copyright (c) 2008, The NetBSD Foundation, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This code is derived from software contributed to The NetBSD Foundation
|
|
* by Brian Ginsbach.
|
|
*
|
|
* 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#if defined(LIBC_SCCS) && !defined(lint)
|
|
__RCSID("$NetBSD: localeio.c,v 1.1 2008/05/17 03:49:54 ginsbach Exp $");
|
|
#endif /* LIBC_SCCS and not lint */
|
|
|
|
#include "namespace.h"
|
|
|
|
#include <sys/localedef.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <assert.h>
|
|
#include <fcntl.h>
|
|
#include <limits.h>
|
|
#include <locale.h>
|
|
#include <paths.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
#include "localeio.h"
|
|
|
|
int
|
|
__loadlocale(const char *name, size_t nstr, size_t nbytes, size_t localesize,
|
|
void *currentlocale, const void *defaultlocale)
|
|
{
|
|
int fd, i;
|
|
unsigned char **ap, *buf, *bp, *cp, *cbp, *ebp;
|
|
unsigned char ***locale;
|
|
struct stat st;
|
|
size_t bufsize;
|
|
|
|
_DIAGASSERT(name != NULL);
|
|
_DIAGASSERT(localesize != 0);
|
|
_DIAGASSERT(currentlocale != NULL);
|
|
_DIAGASSERT(defaultlocale != NULL);
|
|
|
|
if ((fd = open(name, O_RDONLY)) == -1)
|
|
return 0;
|
|
|
|
if ((fstat(fd, &st) == -1) || (st.st_size <= 0))
|
|
goto error1;
|
|
|
|
bufsize = localesize + (size_t)st.st_size;
|
|
if ((buf = malloc(bufsize)) == NULL)
|
|
goto error1;
|
|
|
|
bp = buf + localesize;
|
|
if (read(fd, bp, (size_t)st.st_size) != st.st_size)
|
|
goto error2;
|
|
|
|
ap = (unsigned char **)(void *)buf;
|
|
for (i = 0, ebp = buf + bufsize; i < nstr; i++) {
|
|
ap[i] = bp;
|
|
while (bp != ebp && *bp != '\n')
|
|
bp++;
|
|
if (bp == ebp)
|
|
goto error2;
|
|
*bp++ = '\0';
|
|
}
|
|
|
|
cp = buf + (sizeof(unsigned char *) * nstr);
|
|
for (i = 0, cbp = bp; i < nbytes; i++) {
|
|
int n;
|
|
|
|
while (bp != ebp && *bp != '\n')
|
|
bp++;
|
|
if (bp == ebp)
|
|
goto error2;
|
|
/* ignore overflow/underflow and bad characters */
|
|
n = (unsigned char)strtol((char *)cbp, NULL, 0);
|
|
cp[i] = (unsigned char)(n & CHAR_MAX);
|
|
cbp = bp;
|
|
}
|
|
|
|
locale = currentlocale;
|
|
if (*locale != defaultlocale)
|
|
free(*locale);
|
|
|
|
*locale = (unsigned char **)(void *)buf;
|
|
(void)close(fd);
|
|
return 1;
|
|
|
|
error2:
|
|
free(buf);
|
|
error1:
|
|
(void)close(fd);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Convert a grouping sequence string into POSIX form.
|
|
*
|
|
* Examples: "3;3;-1" -> "\003\003\177\000"
|
|
* "3" -> "\003\000"
|
|
*/
|
|
|
|
static const char nogrouping[] = { CHAR_MAX, '\0' };
|
|
|
|
const char *
|
|
__convertgrouping(const char *str)
|
|
{
|
|
char *src, *dst;
|
|
|
|
_DIAGASSERT(str != NULL);
|
|
|
|
src = dst = __UNCONST(str);
|
|
|
|
while (*src != '\0') {
|
|
char *ep;
|
|
int n;
|
|
|
|
if ((n = strtol(src, &ep, 0)) >= CHAR_MAX ||
|
|
((*ep != ';') && (*ep != '\0')))
|
|
return nogrouping; /* invalid grouping string */
|
|
|
|
*dst++ = n & CHAR_MAX;
|
|
src = (*ep == ';')? ep + 1 : ep;
|
|
}
|
|
*dst = '\0';
|
|
|
|
return (dst == str)? nogrouping : str;
|
|
}
|