diff options
| author | ajs <ajs> | 2007-07-06 17:00:24 +0000 |
|---|---|---|
| committer | ajs <ajs> | 2007-07-06 17:00:24 +0000 |
| commit | b569dd11624b0f7e03119f8bb3abf6adffeccb41 (patch) | |
| tree | 2d8f048a305e446ab131a93f57522b33f091db19 /lib/sockopt.c | |
| parent | 4489537cd03a75d62316ad7f1ac94c3e15057766 (diff) | |
| download | quagga-b569dd11624b0f7e03119f8bb3abf6adffeccb41.tar.bz2 quagga-b569dd11624b0f7e03119f8bb3abf6adffeccb41.tar.xz | |
[lib] Add comments regarding setsockopt_multicast_ipv4 arguments.
2007-07-06 Andrew J. Schorr <ajschorr@alumni.princeton.edu>
* sockopt.{c,h}: (setsockopt_multicast_ipv4) Add some comments about
the arguments.
Diffstat (limited to 'lib/sockopt.c')
| -rw-r--r-- | lib/sockopt.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/lib/sockopt.c b/lib/sockopt.c index 6ddbded1..f5f1a7ed 100644 --- a/lib/sockopt.c +++ b/lib/sockopt.c @@ -176,9 +176,10 @@ getsockopt_ipv6_ifindex (struct msghdr *msgh) int setsockopt_multicast_ipv4(int sock, int optname, - struct in_addr if_addr, + struct in_addr if_addr /* required */, unsigned int mcast_addr, - unsigned int ifindex) + unsigned int ifindex /* optional: if non-zero, may be + used instead of if_addr */) { #ifdef HAVE_STRUCT_IP_MREQN_IMR_IFINDEX |