src/stdio/fputws.c

   1 #include "stdio_impl.h"
   2 #include "locale_impl.h"
   3 #include <wchar.h>
   4
   5 int fputws(const wchar_t *restrict ws, FILE *restrict f)
   6 {
   7         unsigned char buf[BUFSIZ];
   8         size_t l=0;
   9         locale_t *ploc = &CURRENT_LOCALE, loc = *ploc;
  10
  11         FLOCK(f);
  12
  13         fwide(f, 1);
  14         *ploc = f->locale;
  15
  16         while (ws && (l = wcsrtombs((void *)buf, (void*)&ws, sizeof buf, 0))+1 > 1)
  17                 if (__fwritex(buf, l, f) < l) {
  18                         FUNLOCK(f);
  19                         *ploc = loc;
  20                         return -1;
  21                 }
  22
  23         FUNLOCK(f);
  24
  25         *ploc = loc;
  26         return l; /* 0 or -1 */
  27 }
  28
  29 weak_alias(fputws, fputws_unlocked);