newlib/libc/stdlib/wctob.c

   1 #include <reent.h>
   2 #include <wchar.h>
   3 #include <stdio.h>
   4 #include <string.h>
   5 #include <limits.h>
   6 #include "local.h"
   7
   8 int
   9 wctob (wint_t wc)
  10 {
  11   struct _reent *reent;
  12   mbstate_t mbs;
  13   unsigned char pmb[MB_LEN_MAX];
  14
  15   if (wc == WEOF)
  16     return EOF;
  17
  18   /* Put mbs in initial state. */
  19   memset (&mbs, '\0', sizeof (mbs));
  20
  21   reent = _REENT;
  22   _REENT_CHECK_MISC(reent);
  23
  24   return __WCTOMB (reent, (char *) pmb, wc, &mbs) == 1 ? (int) pmb[0] : EOF;
  25 }