wmii

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fmtprint.c (1310B)


      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  * format a string into the output buffer
     22  * designed for formats which themselves call fmt,
     23  * but ignore any width flags
     24  */
     25 int
     26 fmtprint(Fmt *f, const char *fmt, ...)
     27 {
     28 	va_list va;
     29 	int n;
     30 
     31 	f->flags = 0;
     32 	f->width = 0;
     33 	f->prec = 0;
     34 	va_copy(va, f->args);
     35 	va_end(f->args);
     36 	va_start(f->args, fmt);
     37 	n = dofmt(f, fmt);
     38 	va_end(f->args);
     39 	f->flags = 0;
     40 	f->width = 0;
     41 	f->prec = 0;
     42 	va_copy(f->args,va);
     43 	va_end(va);
     44 	if(n >= 0)
     45 		return 0;
     46 	return n;
     47 }
     48