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 "plan9.h"
16 #include "fmt.h"
17 #include "fmtdef.h"
18 
19 int
20 vfprint(int fd, char *fmt, va_list args)
21 {
22 	Fmt f;
23 	char buf[256];
24 	int n;
25 
26 	fmtfdinit(&f, fd, buf, sizeof(buf));
27 	VA_COPY(f.args,args);
28 	n = dofmt(&f, fmt);
29 	VA_END(f.args);
30 	if(n > 0 && __fmtFdFlush(&f) == 0)
31 		return -1;
32 	return n;
33 }