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 /*
25 * format a string into the output buffer
26 * designed for formats which themselves call fmt,
27 * but ignore any width flags
28 */
29 int
30 fmtvprint(Fmt *f, char *fmt, va_list args)
31 {
32 va_list va;
33 int n;
34
35 f->flags = 0;
36 f->width = 0;
37 f->prec = 0;
38 VA_COPY(va,f->args);
39 VA_END(f->args);
40 VA_COPY(f->args,args);
41 n = dofmt(f, fmt);
42 f->flags = 0;
43 f->width = 0;
44 f->prec = 0;
45 VA_END(f->args);
46 VA_COPY(f->args,va);
47 VA_END(va);
48 if(n >= 0)
49 return 0;
50 return n;
51 }
52