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implement uchar.h (C11 UTF-16/32 conversion) interfaces
[musl]
/
src
/
multibyte
/
mbrtoc32.c
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#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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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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}