1 /*
2 * The authors of this software are Rob Pike and Ken Thompson,
3 * with contributions from Mike Burrows and Sean Dorward.
4 *
5 * Copyright (c) 2002-2006 by Lucent Technologies.
6 * Portions Copyright (c) 2004 Google Inc.
7 *
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose without fee is hereby granted, provided that this entire notice
10 * is included in all copies of any software which is or includes a copy
11 * or modification of this software and in all copies of the supporting
12 * documentation for such software.
13 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
14 * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES
15 * NOR GOOGLE INC MAKE ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING
16 * THE MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
17 */
18
19 #include <u.h>
20 #include <libc.h>
21 #include "fmtdef.h"
22
23 /*
24 * format a string into the output buffer
25 * designed for formats which themselves call fmt,
26 * but ignore any width flags
27 */
28 int
29 fmtprint(Fmt *f, char *fmt, ...)
30 {
31 va_list va;
32 int n;
33
34 f->flags = 0;
35 f->width = 0;
36 f->prec = 0;
37 VA_COPY(va, f->args);
38 VA_END(f->args);
39 va_start(f->args, fmt);
40 n = dofmt(f, fmt);
41 va_end(f->args);
42 f->flags = 0;
43 f->width = 0;
44 f->prec = 0;
45 VA_COPY(f->args,va);
46 VA_END(va);
47 if(n >= 0)
48 return 0;
49 return n;
50 }
51