xref: /plan9/sys/src/cmd/unix/drawterm/libc/fmtprint.c (revision 0d601874851962e88c6c60fdd2e637bba04e13c2)
1*0d601874SDavid du Colombier /*
2*0d601874SDavid du Colombier  * The authors of this software are Rob Pike and Ken Thompson.
3*0d601874SDavid du Colombier  *              Copyright (c) 2002 by Lucent Technologies.
4*0d601874SDavid du Colombier  * Permission to use, copy, modify, and distribute this software for any
5*0d601874SDavid du Colombier  * purpose without fee is hereby granted, provided that this entire notice
6*0d601874SDavid du Colombier  * is included in all copies of any software which is or includes a copy
7*0d601874SDavid du Colombier  * or modification of this software and in all copies of the supporting
8*0d601874SDavid du Colombier  * documentation for such software.
9*0d601874SDavid du Colombier  * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
10*0d601874SDavid du Colombier  * WARRANTY.  IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE
11*0d601874SDavid du Colombier  * ANY REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
12*0d601874SDavid du Colombier  * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
13*0d601874SDavid du Colombier  */
148ccd4a63SDavid du Colombier #include <u.h>
158ccd4a63SDavid du Colombier #include <libc.h>
168ccd4a63SDavid du Colombier #include "fmtdef.h"
178ccd4a63SDavid du Colombier 
188ccd4a63SDavid du Colombier /*
198ccd4a63SDavid du Colombier  * format a string into the output buffer
208ccd4a63SDavid du Colombier  * designed for formats which themselves call fmt,
218ccd4a63SDavid du Colombier  * but ignore any width flags
228ccd4a63SDavid du Colombier  */
238ccd4a63SDavid du Colombier int
248ccd4a63SDavid du Colombier fmtprint(Fmt *f, char *fmt, ...)
258ccd4a63SDavid du Colombier {
268ccd4a63SDavid du Colombier 	va_list va;
278ccd4a63SDavid du Colombier 	int n;
288ccd4a63SDavid du Colombier 
298ccd4a63SDavid du Colombier 	f->flags = 0;
308ccd4a63SDavid du Colombier 	f->width = 0;
318ccd4a63SDavid du Colombier 	f->prec = 0;
32*0d601874SDavid du Colombier 	VA_COPY(va, f->args);
33*0d601874SDavid du Colombier 	VA_END(f->args);
348ccd4a63SDavid du Colombier 	va_start(f->args, fmt);
358ccd4a63SDavid du Colombier 	n = dofmt(f, fmt);
368ccd4a63SDavid du Colombier 	va_end(f->args);
378ccd4a63SDavid du Colombier 	f->flags = 0;
388ccd4a63SDavid du Colombier 	f->width = 0;
398ccd4a63SDavid du Colombier 	f->prec = 0;
40*0d601874SDavid du Colombier 	VA_COPY(f->args,va);
41*0d601874SDavid du Colombier 	VA_END(va);
428ccd4a63SDavid du Colombier 	if(n >= 0)
438ccd4a63SDavid du Colombier 		return 0;
448ccd4a63SDavid du Colombier 	return n;
458ccd4a63SDavid du Colombier }
468ccd4a63SDavid du Colombier 
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