/*
Bacula® - The Network Backup Solution
- Copyright (C) 2000-2007 Free Software Foundation Europe e.V.
+ Copyright (C) 2000-2008 Free Software Foundation Europe e.V.
The main author of Bacula is Kern Sibbald, with contributions from
many others, a complete list can be found in the file AUTHORS.
This program is Free Software; you can redistribute it and/or
modify it under the terms of version two of the GNU General Public
- License as published by the Free Software Foundation plus additions
- that are listed in the file LICENSE.
+ License as published by the Free Software Foundation and included
+ in the file LICENSE.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
- Bacula® is a registered trademark of John Walker.
+ Bacula® is a registered trademark of Kern Sibbald.
The licensor of Bacula is the Free Software Foundation Europe
(FSFE), Fiduciary Program, Sumatrastrasse 25, 8006 Zürich,
Switzerland, email:ftf@fsfeurope.org.
P(mutex);
ap = (struct abufhead *) abqueue.qnext;
- while (ap != (struct abufhead *) &abqueue) {
+ while (ap != (struct abufhead *)&abqueue) {
bad = 0;
- if ((ap == NULL) ||
- (ap->abq.qnext->qprev != (struct b_queue *) ap)) {
- bad = 0x1;
- }
- if (ap->abq.qprev->qnext != (struct b_queue *) ap) {
- bad |= 0x2;
- }
- if (((unsigned char *) ap)[((struct abufhead *) ap)->ablen - 1] !=
- ((((long) ap) & 0xFF) ^ 0xC5)) {
- bad |= 0x4;
+ if (ap != NULL) {
+ if (ap->abq.qnext->qprev != (struct b_queue *)ap) {
+ bad = 0x1;
+ }
+ if (ap->abq.qprev->qnext != (struct b_queue *)ap) {
+ bad |= 0x2;
+ }
+ if (((unsigned char *) ap)[((struct abufhead *)ap)->ablen - 1] !=
+ ((((long) ap) & 0xFF) ^ 0xC5)) {
+ bad |= 0x4;
+ }
+ } else {
+ bad = 0x8;
}
badbuf |= bad;
if (bad) {
if (bad & 0x4) {
fprintf(stderr, _(" discovery of data overrun.\n"));
}
+ if (bad & 0x8) {
+ fprintf(stderr, _(" NULL pointer.\n"));
+ }
+ if (!ap) {
+ goto get_out;
+ }
fprintf(stderr, _(" Buffer address: %p\n"), ap);
if (ap->abfname != NULL) {
}
}
}
- ap = (struct abufhead *) ap->abq.qnext;
+ ap = (struct abufhead *)ap->abq.qnext;
}
+get_out:
V(mutex);
return badbuf ? 0 : 1;
}