BizHawk/waterbox/libc/functions/uchar/_PDCLIB_mbsrtoc32s.c

57 lines
1.3 KiB
C

/* _PDCLIB_mbsrtoc32s( char32_t *, const char * *, size_t, mbstate_t * )
This file is part of the Public Domain C Library (PDCLib).
Permission is granted to use, modify, and / or redistribute at will.
*/
#ifndef REGTEST
#include <uchar.h>
#include <errno.h>
#include <stdint.h>
#include <string.h>
#include "_PDCLIB_encoding.h"
#include "_PDCLIB_locale.h"
static size_t _PDCLIB_mbsrtoc32s_l
(
char32_t *restrict dst,
const char **restrict src,
size_t len,
mbstate_t *restrict ps,
locale_t restrict l
)
{
size_t dstlen = len = dst ? len : SIZE_MAX;
char32_t *restrict *restrict dstp = dst ? &dst : NULL;
size_t srclen = strlen(*src);
if(l->_Codec->__mbstoc32s(dstp, &dstlen, src, &srclen, ps)) {
return len - dstlen;
} else {
errno = EILSEQ;
return (size_t) -1;
}
}
size_t _PDCLIB_mbsrtoc32s(
char32_t *restrict dst,
const char **restrict src,
size_t len,
mbstate_t *restrict ps
)
{
return _PDCLIB_mbsrtoc32s_l(dst, src, len, ps, _PDCLIB_threadlocale());
}
#endif
#ifdef TEST
#include "_PDCLIB_test.h"
int main( void )
{
TESTCASE( NO_TESTDRIVER );
return TEST_RESULTS;
}
#endif