getifaddrs: don't fail if there are no interfaces.

* This is not an error, just return an empty list. * Same behavior as *BSD implementation.
haiku · Jul 29, 2015 · f93dab0 · f93dab0
1 parent 2df7158
commit f93dab0
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/src/kits/network/getifaddrs.cpp b/src/kits/network/getifaddrs.cpp
@@ -78,8 +78,9 @@ getifaddrs(struct ifaddrs** _ifaddrs)
 
 	size_t count = (size_t)config.ifc_value;
 	if (count == 0) {
-		errno = B_BAD_VALUE;
-		return -1;
+		// No interfaces found
+		*_ifaddrs = NULL;
+		return 0;
 	}
 
 	// Allocate a buffer for ifreqs for all interfaces