1#include "stdio_impl.h" 2 3int __towrite(FILE *f) 4{ 5 f->mode |= f->mode-1; 6 if (f->flags & (F_NOWR)) { 7 f->flags |= F_ERR; 8 return EOF; 9 } 10 /* Clear read buffer (easier than summoning nasal demons) */ 11 f->rpos = f->rend = 0; 12 13 /* Activate write through the buffer. */ 14 f->wpos = f->wbase = f->buf; 15 f->wend = f->buf + f->buf_size; 16 17 return 0; 18} 19 20void __stdio_exit_needed(void); 21 22void __towrite_needs_stdio_exit() 23{ 24 __stdio_exit_needed(); 25} 26