| 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 | } |