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

26 lines
449 B
C

#include <reent.h>
#include <wchar.h>
#include <stdio.h>
#include <string.h>
#include <limits.h>
#include "local.h"
int
wctob (wint_t wc)
{
struct _reent *reent;
mbstate_t mbs;
unsigned char pmb[MB_LEN_MAX];
if (wc == WEOF)
return EOF;
/* Put mbs in initial state. */
memset (&mbs, '\0', sizeof (mbs));
reent = _REENT;
_REENT_CHECK_MISC(reent);
return __WCTOMB (reent, (char *) pmb, wc, &mbs) == 1 ? (int) pmb[0] : EOF;
}