fputws.c raw

   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);
  30