forked from KolibriOS/kolibrios
39 lines
743 B
C
39 lines
743 B
C
#include <stdlib.h>
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#include <wchar.h>
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#include "local.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 *__restrict pwcs _AND
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const char *__restrict 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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size_t ret = 0;
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char *t = (char *)s;
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int bytes;
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if (!pwcs)
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n = (size_t) 1; /* Value doesn't matter as long as it's not 0. */
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while (n > 0)
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{
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bytes = __mbtowc (r, pwcs, t, MB_CUR_MAX, __locale_charset (), state);
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if (bytes < 0)
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{
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state->__count = 0;
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return -1;
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}
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else if (bytes == 0)
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break;
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t += bytes;
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++ret;
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if (pwcs)
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{
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++pwcs;
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--n;
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}
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}
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return ret;
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}
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