newlib-cygwin/newlib/libc/stdlib/wcrtomb.c

26 lines
438 B
C

#include <wchar.h>
#include <stdlib.h>
#include <stdio.h>
#include <reent.h>
#include <errno.h>
size_t
wcrtomb(char *s, wchar_t wc, mbstate_t *ps)
{
int retval = 0;
_REENT_CHECK_MISC(_REENT);
if (s == NULL)
retval = _wctomb_r (_REENT, "", wc, ps);
else
retval = _wctomb_r (_REENT, s, wc, ps);
if (retval == -1)
{
_REENT->_errno = EILSEQ;
return (size_t)(-1);
}
else
return (size_t)retval;
}