src/stdio/__towrite.c

   1 #include "stdio_impl.h"
   2
   3 int __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
  20 hidden void __towrite_needs_stdio_exit()
  21 {
  22         __stdio_exit_needed();
  23 }