https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=3279
Summary: mergecap doesn't work on amd64 platform
Product: Wireshark
Version: 1.0.6
Platform: PC
OS/Version: OpenBSD
Status: NEW
Severity: Normal
Priority: Medium
Component: Extras
AssignedTo: wireshark-bugs@xxxxxxxxxxxxx
ReportedBy: bugzilla.wireshark@xxxxxxxxxxxxx
Build Information:
TShark 1.0.6
Copyright 1998-2009 Gerald Combs <gerald@xxxxxxxxxxxxx> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled with GLib 2.18.4, with libpcap 0.5, with libz 1.2.3, without POSIX
capabilities, with libpcre 7.8, without SMI, without ADNS, without Lua, with
GnuTLS 2.6.2, with Gcrypt 1.4.3, with Heimdal Kerberos.
Running on OpenBSD 4.5, with OpenBSD libpcap.
Built using gcc 3.3.5 (propolice).
--
The secs member of a wtap_nstime struct is initialized in the
merge.c:merge_read_packet() to (time_t)LONG_MAX which results in a (64 bit)
integer value of -1. As a result, no packets are newer (less) than this
initial value and mergecap will *not* attempt to do any merging.
I've appended a gdb snippet that shows the result of the initialization.
is_earlier() (called later in merge_read_packet()) never finds a packet earlier
than the one initialized to -1.
The following patch appears to fix the problem on amd64 and doesn't seem to
break the i386 version on OpenBSD.
--- merge.c.orig Fri Feb 6 15:57:22 2009
+++ merge.c Mon Feb 23 12:14:05 2009
@@ -157,7 +157,7 @@
{
int i;
int ei = -1;
- struct wtap_nstime tv = {(time_t)LONG_MAX, INT_MAX};
+ struct wtap_nstime tv = { INT_MAX, 0};
struct wtap_pkthdr *phdr;
/*
--
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