1#include "stdio_impl.h" 2#include "locale_impl.h" 3 4int fwide(FILE *f, int mode) 5{ 6 FLOCK(f); 7 if (mode) { 8 if (!f->locale) f->locale = MB_CUR_MAX==1 9 ? C_LOCALE : UTF8_LOCALE; 10 if (!f->mode) f->mode = mode>0 ? 1 : -1; 11 } 12 mode = f->mode; 13 FUNLOCK(f); 14 return mode; 15} 16