58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
/* _PDCLIB_c32srtombs( char *, const char32_t * *, 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 "_PDCLIB_encoding.h"
|
|
#include "_PDCLIB_locale.h"
|
|
|
|
static size_t _PDCLIB_c32srtombs_l(
|
|
char *restrict dst,
|
|
const char32_t **restrict src,
|
|
size_t len,
|
|
mbstate_t *restrict ps,
|
|
_PDCLIB_locale_t restrict l)
|
|
{
|
|
char *restrict *restrict dstp = dst ? &dst : NULL;
|
|
len = dst ? len : SIZE_MAX;
|
|
|
|
size_t srclen = _PDCLIB_c32slen(*src);
|
|
size_t dstlen = len;
|
|
|
|
if(l->_Codec->__c32stombs(dstp, &dstlen, src, &srclen, ps)) {
|
|
// Successful conversion
|
|
return len - dstlen;
|
|
} else {
|
|
// Failed conversion
|
|
errno = EILSEQ;
|
|
return (size_t) -1;
|
|
}
|
|
}
|
|
|
|
size_t _PDCLIB_c32srtombs(
|
|
char *restrict dst,
|
|
const char32_t **restrict src,
|
|
size_t len,
|
|
mbstate_t *restrict ps
|
|
)
|
|
{
|
|
return _PDCLIB_c32srtombs_l(dst, src, len, ps, _PDCLIB_threadlocale());
|
|
}
|
|
|
|
#endif
|
|
|
|
#ifdef TEST
|
|
#include "_PDCLIB_test.h"
|
|
|
|
int main( void )
|
|
{
|
|
TESTCASE( NO_TESTDRIVER );
|
|
return TEST_RESULTS;
|
|
}
|
|
#endif
|