ref: 7b8fa455264decaadd36b458cfd75f6d81d2a8b3
dir: /sys/src/ape/lib/fmt/vsmprint.c/
/*
* The authors of this software are Rob Pike and Ken Thompson.
* Copyright (c) 2002 by Lucent Technologies.
* Permission to use, copy, modify, and distribute this software for any
* purpose without fee is hereby granted, provided that this entire notice
* is included in all copies of any software which is or includes a copy
* or modification of this software and in all copies of the supporting
* documentation for such software.
* THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
* REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
* OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
*/
#include <stdlib.h>
#include <stdarg.h>
#include "fmt.h"
#include "fmtdef.h"
/*
* print into an allocated string buffer
*/
char*
vsmprint(char *fmt, va_list args)
{
Fmt f;
int n;
if(fmtstrinit(&f) < 0)
return nil;
f.args = args;
n = dofmt(&f, fmt);
if(n < 0)
return nil;
*(char*)f.to = '\0';
return (char*)f.start;
}