fmtnull.c (529B) download
1/* Copyright (c) 2004 Google Inc.; see LICENSE */
2#include "fmt.h"
3#include "fmtdef.h"
4#include "plan9.h"
5
6#include <stdarg.h>
7#include <string.h>
8
9/*
10 * Absorb output without using resources.
11 */
12static Rune nullbuf[32];
13
14static int
15__fmtnullflush(Fmt* f) {
16 f->to = nullbuf;
17 f->nfmt = 0;
18 return 0;
19}
20
21int fmtnullinit(Fmt* f) {
22 memset(f, 0, sizeof *f);
23 f->runes = 1;
24 f->start = nullbuf;
25 f->to = nullbuf;
26 f->stop = nullbuf + nelem(nullbuf);
27 f->flush = __fmtnullflush;
28 fmtlocaleinit(f, nil, nil, nil);
29 return 0;
30}