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Diffstat (limited to 'ext/socket/ifaddr.c')
-rw-r--r--ext/socket/ifaddr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/ext/socket/ifaddr.c b/ext/socket/ifaddr.c
index 5783dfc869..16cd47be5a 100644
--- a/ext/socket/ifaddr.c
+++ b/ext/socket/ifaddr.c
@@ -105,6 +105,10 @@ rsock_getifaddrs(void)
if (ret == -1)
rb_sys_fail("getifaddrs");
+ if (!ifaddrs) {
+ return rb_ary_new();
+ }
+
numifaddrs = 0;
for (ifa = ifaddrs; ifa != NULL; ifa = ifa->ifa_next)
numifaddrs++;