* Copyright (c) 1979, 1993
* The Regents of the University of California. All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
static char sccsid
[] = "@(#)RESET.c 8.1 (Berkeley) 6/6/93";
RESET(filep
, name
, maxnamlen
, datasize
)
register struct iorec
*filep
;
if (name
== NULL
&& filep
== INPUT
&& filep
->fname
[0] == '\0') {
if (fseek(filep
->fbuf
, (long)0, 0) == -1) {
PERROR("Could not reset ", filep
->pfname
);
filep
->funit
|= (SYNC
| EOLN
);
filep
= GETNAME(filep
, name
, maxnamlen
, datasize
);
filep
->fbuf
= fopen(filep
->fname
, "r");
if (filep
->fbuf
== NULL
) {
* This allows unnamed temp files to be opened even if
* they have not been rewritten yet. We decided to remove
* this feature since the standard requires that files be
* defined before being reset.
if (filep->funit & TEMP) {
filep->funit |= (EOFF | SYNC | FREAD);
PERROR("Could not open ", filep
->pfname
);
filep
->funit
|= (SYNC
| FREAD
);
if (filep
->funit
& FTEXT
)
if (filep
->fblk
> PREDEF
) {
setbuf(filep
->fbuf
, &filep
->buf
[0]);