30 lines
548 B
C
30 lines
548 B
C
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#include <wchar.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <reent.h>
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#include <errno.h>
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#include <string.h>
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size_t
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mbrtowc(wchar_t *pwc, const char *s, size_t n, mbstate_t *ps)
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{
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int retval = 0;
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_REENT_CHECK_MISC(_REENT);
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if (s == NULL)
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retval = _mbtowc_r (_REENT, pwc, "", 1, ps);
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else
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retval = _mbtowc_r (_REENT, pwc, s, n, ps);
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if (*pwc == NULL)
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memset (ps, '\0', sizeof (mbstate_t));
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if (retval == -1)
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{
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_REENT->_errno = EILSEQ;
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return (size_t)(-1);
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}
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else
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return (size_t)retval;
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}
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