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
20hidden void __towrite_needs_stdio_exit()
21{
22	__stdio_exit_needed();
23}