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Null out the "pointer to private data" member of a "wtap_dumper" 

structure before calling the "dump_open" routine for the file type; it
either has to be null or point to something that can be freed, as the
dump close routine frees what it points to if it's not null.

svn path=/trunk/; revision=1196
This commit is contained in:
Guy Harris 1999-12-04 05:37:36 +00:00
parent 94746f05da
commit a0de9d710e
1 changed files with 2 additions and 1 deletions
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3
wiretap/file.c
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@ -1,6 +1,6 @@
/* file.c
*
* $Id: file.c,v 1.31 1999/12/04 05:14:38 guy Exp $
* $Id: file.c,v 1.32 1999/12/04 05:37:36 guy Exp $
*
* Wiretap Library
* Copyright (c) 1998 by Gilbert Ramirez <gram@verdict.uthscsa.edu>
@ -236,6 +236,7 @@ static wtap_dumper* wtap_dump_open_common(FILE *fh, int filetype, int encap,
wdh->snaplen = snaplen;
wdh->encap = encap;
wdh->private.opaque = NULL;
for (dtp = &dump_open_table[0]; dtp->dump_open != NULL; dtp++) {
if (filetype == dtp->type) {
if (!(*dtp->dump_open)(wdh, err)) {