1 /*
2  * The authors of this software are Rob Pike and Ken Thompson.
3  *              Copyright (c) 2002 by Lucent Technologies.
4  * Permission to use, copy, modify, and distribute this software for any
5  * purpose without fee is hereby granted, provided that this entire notice
6  * is included in all copies of any software which is or includes a copy
7  * or modification of this software and in all copies of the supporting
8  * documentation for such software.
9  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
11  * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13  */
14 #include <stdarg.h>
15 #include <string.h>
16 #include "plan9.h"
17 #include "fmt.h"
18 #include "fmtdef.h"
19 
20 
21 /*
22  * format a string into the output buffer
23  * designed for formats which themselves call fmt,
24  * but ignore any width flags
25  */
26 int
27 fmtvprint(Fmt *f, char *fmt, va_list args)
28 {
29 	va_list va;
30 	int n;
31 
32 	f->flags = 0;
33 	f->width = 0;
34 	f->prec = 0;
35 	VA_COPY(va,f->args);
36 	VA_END(f->args);
37 	VA_COPY(f->args,args);
38 	n = dofmt(f, fmt);
39 	f->flags = 0;
40 	f->width = 0;
41 	f->prec = 0;
42 	VA_END(f->args);
43 	VA_COPY(f->args,va);
44 	VA_END(va);
45 	if(n >= 0)
46 		return 0;
47 	return n;
48 }
49