size_t
_mbrtowc_r (struct _reent *ptr,
wchar_t *pwc,
const char *s,
size_t n,
mbstate_t *ps)
{
int retval = 0;
#ifdef _MB_CAPABLE
if (ps == NULL)
{
_REENT_CHECK_MISC(ptr);
ps = &(_REENT_MBRTOWC_STATE(ptr));
}
#endif
if (s == NULL)
retval = __MBTOWC (ptr, NULL, "", 1, ps);
else
retval = __MBTOWC (ptr, pwc, s, n, ps);
if (retval == -1)
{
ps->__count = 0;
__errno_r(ptr) = EILSEQ;
return (size_t)(-1);
}
else
return (size_t)retval;
}
#include <wchar.h>
#include "local.h"
int
_DEFUN (mblen, (s, n),
const char *s _AND
size_t n)
{
#ifdef _MB_CAPABLE
int retval = 0;
struct _reent *reent = _REENT;
mbstate_t *state;
_REENT_CHECK_MISC(reent);
state = &(_REENT_MBLEN_STATE(reent));
retval = __MBTOWC (reent, NULL, s, n, state);
if (retval < 0)
{
state->__count = 0;
return -1;
}
else
return retval;
#else /* not _MB_CAPABLE */
if (s == NULL || *s == '\0')
return 0;
if (n == 0)
return -1;
return 1;
#endif /* not _MB_CAPABLE */
#include "local.h"
int
mbtowc (wchar_t *__restrict pwc,
const char *__restrict s,
size_t n)
{
#ifdef _MB_CAPABLE
int retval = 0;
struct _reent *reent = _REENT;
mbstate_t *ps;
_REENT_CHECK_MISC(reent);
ps = &(_REENT_MBTOWC_STATE(reent));
retval = __MBTOWC (reent, pwc, s, n, ps);
if (retval < 0)
{
ps->__count = 0;
return -1;
}
return retval;
#else /* not _MB_CAPABLE */
if (s == NULL)
return 0;
if (n == 0)
return -1;
if (pwc)
*pwc = (wchar_t) *s;
return (*s != '\0');
