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/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)vfprintf.c 5.2 (Berkeley) 6/27/88";
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
#include <varargs.h>
int
vfprintf(iop, fmt, ap)
FILE *iop;
const char *fmt;
va_list ap;
{
int len;
char localbuf[BUFSIZ];
if (iop->_flag & _IONBF) {
iop->_flag &= ~_IONBF;
iop->_ptr = iop->_base = localbuf;
len = _doprnt(fmt, ap, iop);
(void) fflush(iop);
iop->_flag |= _IONBF;
iop->_base = NULL;
iop->_bufsiz = 0;
iop->_cnt = 0;
} else
len = _doprnt(fmt, ap, iop);
return (ferror(iop) ? EOF : len);
}
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