38 lines
644 B
C
38 lines
644 B
C
#include <stdlib.h>
|
|
#include <wchar.h>
|
|
#include "local.h"
|
|
|
|
size_t
|
|
_mbstowcs_r (struct _reent *r,
|
|
wchar_t *__restrict pwcs,
|
|
const char *__restrict s,
|
|
size_t n,
|
|
mbstate_t *state)
|
|
{
|
|
size_t ret = 0;
|
|
char *t = (char *)s;
|
|
int bytes;
|
|
|
|
if (!pwcs)
|
|
n = (size_t) 1; /* Value doesn't matter as long as it's not 0. */
|
|
while (n > 0)
|
|
{
|
|
bytes = __MBTOWC (r, pwcs, t, MB_CUR_MAX, state);
|
|
if (bytes < 0)
|
|
{
|
|
state->__count = 0;
|
|
return -1;
|
|
}
|
|
else if (bytes == 0)
|
|
break;
|
|
t += bytes;
|
|
++ret;
|
|
if (pwcs)
|
|
{
|
|
++pwcs;
|
|
--n;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|