31 lines
587 B
C
31 lines
587 B
C
#include <stdlib.h>
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#include <wchar.h>
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size_t
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_DEFUN (_mbstowcs_r, (reent, pwcs, s, n, state),
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struct _reent *r _AND
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wchar_t *pwcs _AND
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const char *s _AND
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size_t n _AND
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mbstate_t *state)
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{
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wchar_t *ptr = pwcs;
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size_t max = n;
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char *t = (char *)s;
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int bytes;
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while (n > 0)
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{
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bytes = _mbtowc_r (r, ptr, t, MB_CUR_MAX, state);
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if (bytes < 0)
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return -1;
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else if (bytes == 0)
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return ptr - pwcs;
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t += bytes;
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++ptr;
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--n;
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}
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return max;
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}
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