jehanne/sys/src/libc/fmt/fmtvprint.c

40 lines
899 B
C

/*
* 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.
*/
#include <u.h>
#include <libc.h>
#include "fmtdef.h"
/*
* format a string into the output buffer
* designed for formats which themselves call fmt
*/
int
fmtvprint(Fmt *f, const char *fmt, va_list args)
{
va_list va;
int n;
//va = f->args;
//f->args = args;
va_copy(va,f->args);
va_end(f->args);
va_copy(f->args,args);
n = dofmt(f, fmt);
va_end(f->args);
va_copy(f->args,va);
va_end(va);
//f->args = va;
if(n >= 0)
return 0;
return n;
}