14 lines
354 B
C
14 lines
354 B
C
#include <uchar.h>
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#include <wchar.h>
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size_t mbrtoc32(char32_t *restrict pc32, const char *restrict s, size_t n, mbstate_t *restrict ps)
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{
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static unsigned internal_state;
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if (!ps) ps = (void *)&internal_state;
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if (!s) return mbrtoc32(0, "", 1, ps);
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wchar_t wc;
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size_t ret = mbrtowc(&wc, s, n, ps);
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if (ret <= 4 && pc32) *pc32 = wc;
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return ret;
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}
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