Author: eadler
Date: Sun Apr 15 23:56:03 2012
New Revision: 234329
URL: http://svn.freebsd.org/changeset/base/234329
Log:
When searching for uninitialized memory usage add ensure that the entire
struct is set to zero.
PR: bin/166483
Submitted by: Roy Marples <r...@marples.name>
Reviewed by: delphij
Approved by: cperciva
MFC after: 3 days
Modified:
head/lib/libc/net/if_nametoindex.c
Modified: head/lib/libc/net/if_nametoindex.c
==============================================================================
--- head/lib/libc/net/if_nametoindex.c Sun Apr 15 23:50:13 2012
(r234328)
+++ head/lib/libc/net/if_nametoindex.c Sun Apr 15 23:56:03 2012
(r234329)
@@ -70,6 +70,9 @@ if_nametoindex(const char *ifname)
s = _socket(AF_INET, SOCK_DGRAM, 0);
if (s != -1) {
+#ifdef PURIFY
+ memset(&ifr, 0, sizeof(ifr));
+#endif
strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
if (_ioctl(s, SIOCGIFINDEX, &ifr) != -1) {
_close(s);
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