Package: iputils-ping
Version: 3:20101006-2
Severity: minor
Tags: patch
Ping output is buffered when a truncated echo reply occurs, preventing from
parsing it easily.
For example
ping -c 8 -s 100 8.8.8.8 | grep ttl
will throw its output once all echo replies have been received.
-- System Information:
Debian Release: 6.0.1
APT prefers stable-updates
APT policy: (990, 'stable-updates'), (990, 'proposed-updates'), (990,
'stable'), (190, 'testing'), (180, 'testing-proposed-updates')
Architecture: amd64 (x86_64)
Kernel: Linux 2.6.32-5-amd64 (SMP w/2 CPU cores)
Locale: LANG=fr_FR.utf8, LC_CTYPE=fr_FR.utf8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages iputils-ping depends on:
ii libc6 2.11.2-10 Embedded GNU C Library: Shared lib
ii libssl0.9.8 0.9.8o-4squeeze1 SSL shared libraries
iputils-ping recommends no packages.
iputils-ping suggests no packages.
--- ping.c 2011-06-02 11:04:10.000000000 +0200
+++ ping.c.new 2011-06-02 11:04:22.488924709 +0200
@@ -717,8 +717,10 @@
if (gather_statistics((__u8*)icp, sizeof(*icp), cc,
ntohs(icp->un.echo.sequence),
ip->ttl, 0, tv, pr_addr(from->sin_addr.s_addr),
- pr_echo_reply))
+ pr_echo_reply)) {
+ fflush(stdout);
return 0;
+ }
} else {
/* We fall here when a redirect or source quench arrived.
* Also this branch processes icmp errors, when IP_RECVERR
