#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)none.c 8.1 (Berkeley) 6/4/93";
#endif
#include <sys/cdefs.h>
__FBSDID("$FreeBSD: src/lib/libc/locale/none.c,v 1.15 2007/10/13 16:28:22 ache Exp $");
#include "xlocale_private.h"
#include <errno.h>
#include <limits.h>
#include <runetype.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#include "mblocal.h"
int __mb_cur_max = 1;
int __mb_sb_limit = 256;
int
_none_init(struct __xlocale_st_runelocale *xrl)
{
xrl->__mbrtowc = _none_mbrtowc;
xrl->__mbsinit = _none_mbsinit;
xrl->__mbsnrtowcs = _none_mbsnrtowcs;
xrl->__wcrtomb = _none_wcrtomb;
xrl->__wcsnrtombs = _none_wcsnrtombs;
xrl->__mb_cur_max = 1;
xrl->__mb_sb_limit = 256;
return(0);
}
int
_none_mbsinit(const mbstate_t *ps __unused, locale_t loc __unused)
{
return (1);
}
size_t
_none_mbrtowc(wchar_t * __restrict pwc, const char * __restrict s, size_t n,
mbstate_t * __restrict ps __unused, locale_t loc __unused)
{
if (s == NULL)
return (0);
if (n == 0)
return ((size_t)-2);
if (pwc != NULL)
*pwc = (unsigned char)*s;
return (*s == '\0' ? 0 : 1);
}
size_t
_none_wcrtomb(char * __restrict s, wchar_t wc,
mbstate_t * __restrict ps __unused, locale_t loc __unused)
{
if (s == NULL)
return (1);
if (wc < 0 || wc > UCHAR_MAX) {
errno = EILSEQ;
return ((size_t)-1);
}
*s = (unsigned char)wc;
return (1);
}
size_t
_none_mbsnrtowcs(wchar_t * __restrict dst, const char ** __restrict src,
size_t nms, size_t len, mbstate_t * __restrict ps __unused, locale_t loc __unused)
{
const char *s;
size_t nchr;
if (dst == NULL) {
s = memchr(*src, '\0', nms);
return (s != NULL ? s - *src : nms);
}
s = *src;
nchr = 0;
while (len-- > 0 && nms-- > 0) {
if ((*dst++ = (unsigned char)*s++) == L'\0') {
*src = NULL;
return (nchr);
}
nchr++;
}
*src = s;
return (nchr);
}
size_t
_none_wcsnrtombs(char * __restrict dst, const wchar_t ** __restrict src,
size_t nwc, size_t len, mbstate_t * __restrict ps __unused, locale_t loc __unused)
{
const wchar_t *s;
size_t nchr;
if (dst == NULL) {
for (s = *src; nwc > 0 && *s != L'\0'; s++, nwc--) {
if (*s < 0 || *s > UCHAR_MAX) {
errno = EILSEQ;
return ((size_t)-1);
}
}
return (s - *src);
}
s = *src;
nchr = 0;
while (len-- > 0 && nwc-- > 0) {
if (*s < 0 || *s > UCHAR_MAX) {
errno = EILSEQ;
return ((size_t)-1);
}
if ((*dst++ = *s++) == '\0') {
*src = NULL;
return (nchr);
}
nchr++;
}
*src = s;
return (nchr);
}