60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
/* c32rtomb( char *, char32_t, mbstate_t * )
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This file is part of the Public Domain C Library (PDCLib).
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Permission is granted to use, modify, and / or redistribute at will.
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*/
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#ifndef REGTEST
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#include <uchar.h>
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#include <errno.h>
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#include <stdint.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "_PDCLIB_encoding.h"
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#include "_PDCLIB_locale.h"
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size_t c32rtomb_l(
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char *restrict s,
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char32_t c32,
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mbstate_t *restrict ps,
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locale_t restrict l
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)
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{
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char buf[s ? 0 : MB_CUR_MAX];
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s = s ? s : buf;
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const char32_t *restrict psrc = &c32;
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size_t srcsz = 1;
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size_t dstsz = MB_CUR_MAX;
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size_t dstrem = dstsz;
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if(l->_Codec->__c32stombs(&s, &dstrem, &psrc, &srcsz, ps)) {
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// Successful conversion
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return dstsz - dstrem;
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} else {
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errno = EILSEQ;
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return (size_t) -1;
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}
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}
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size_t c32rtomb(
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char *restrict s,
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char32_t c32,
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mbstate_t *restrict ps
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)
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{
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return c32rtomb_l(s, c32, ps, _PDCLIB_threadlocale());
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}
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#endif
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#ifdef TEST
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#include "_PDCLIB_test.h"
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int main( void )
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{
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TESTCASE( NO_TESTDRIVER );
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return TEST_RESULTS;
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}
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#endif
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