jehanne/sys/src/lib/stdio/sprintf.c

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/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
/*
* pANS stdio -- sprintf
*/
#include "iolib.h"
int sprintf(char *buf, const char *fmt, ...){
int n;
va_list args;
FILE *f=sopenw();
if(f==NULL)
return 0;
setvbuf(f, buf, _IOFBF, 100000);
va_start(args, fmt);
n=vfprintf(f, fmt, args);
va_end(args);
sclose(f);
return n;
}