xref: /plan9/sys/src/ape/lib/fmt/runevsmprint.c (revision 40ef9009116dd37656783aaadc8782c1d8bfb056)
1*40ef9009SDavid du Colombier /*
2*40ef9009SDavid du Colombier  * The authors of this software are Rob Pike and Ken Thompson.
3*40ef9009SDavid du Colombier  *              Copyright (c) 2002 by Lucent Technologies.
4*40ef9009SDavid du Colombier  * Permission to use, copy, modify, and distribute this software for any
5*40ef9009SDavid du Colombier  * purpose without fee is hereby granted, provided that this entire notice
6*40ef9009SDavid du Colombier  * is included in all copies of any software which is or includes a copy
7*40ef9009SDavid du Colombier  * or modification of this software and in all copies of the supporting
8*40ef9009SDavid du Colombier  * documentation for such software.
9*40ef9009SDavid du Colombier  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10*40ef9009SDavid du Colombier  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
11*40ef9009SDavid du Colombier  * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12*40ef9009SDavid du Colombier  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13*40ef9009SDavid du Colombier  */
14*40ef9009SDavid du Colombier #include <stdarg.h>
15*40ef9009SDavid du Colombier #include <stdlib.h>
16*40ef9009SDavid du Colombier #include "utf.h"
17*40ef9009SDavid du Colombier #include "fmt.h"
18*40ef9009SDavid du Colombier #include "fmtdef.h"
19*40ef9009SDavid du Colombier 
20*40ef9009SDavid du Colombier /*
21*40ef9009SDavid du Colombier  * print into an allocated string buffer
22*40ef9009SDavid du Colombier  */
23*40ef9009SDavid du Colombier Rune*
runevsmprint(char * fmt,va_list args)24*40ef9009SDavid du Colombier runevsmprint(char *fmt, va_list args)
25*40ef9009SDavid du Colombier {
26*40ef9009SDavid du Colombier 	Fmt f;
27*40ef9009SDavid du Colombier 	int n;
28*40ef9009SDavid du Colombier 
29*40ef9009SDavid du Colombier 	if(runefmtstrinit(&f) < 0)
30*40ef9009SDavid du Colombier 		return nil;
31*40ef9009SDavid du Colombier 	f.args = args;
32*40ef9009SDavid du Colombier 	n = dofmt(&f, fmt);
33*40ef9009SDavid du Colombier 	if(n < 0)
34*40ef9009SDavid du Colombier 		return nil;
35*40ef9009SDavid du Colombier 	*(Rune*)f.to = '\0';
36*40ef9009SDavid du Colombier 	return (Rune*)f.start;
37*40ef9009SDavid du Colombier }
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