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-rw-r--r--mrbgems/mruby-socket/src/socket.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mrbgems/mruby-socket/src/socket.c b/mrbgems/mruby-socket/src/socket.c
index 951bece75..89c31c767 100644
--- a/mrbgems/mruby-socket/src/socket.c
+++ b/mrbgems/mruby-socket/src/socket.c
@@ -681,7 +681,7 @@ mrb_socket_sockaddr_family(mrb_state *mrb, mrb_value klass)
mrb_value str;
mrb_get_args(mrb, "S", &str);
- if ((size_t)RSTRING_LEN(str) < offsetof(struct sockaddr, sa_family) + sizeof(sa_family_t)) {
+ if ((size_t)RSTRING_LEN(str) < offsetof(struct sockaddr, sa_family) + sizeof(sa->sa_family)) {
mrb_raisef(mrb, E_SOCKET_ERROR, "invalid sockaddr (too short)");
}
sa = (const struct sockaddr *)RSTRING_PTR(str);