1 files changed, 19 insertions, 0 deletions

diff --git a/libbb/bb_getsockname.c b/libbb/bb_getsockname.c
new file mode 100644
index 000000000..1af9b39b9
--- /dev/null
+++ b/libbb/bb_getsockname.c
@@ -0,0 +1,19 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * Utility routines.
+ *
+ * Licensed under GPLv2, see file LICENSE in this source tree.
+ */
+//kbuild:lib-y += bb_getsockname.o
+
+#include "libbb.h"
+
+int FAST_FUNC bb_getsockname(int sockfd, void *addr, socklen_t addrlen)
+{
+        /* The usefullness of this function is that for getsockname(),
+         * addrlen must go on stack (to _have_ an address to be passed),
+         * but many callers do not need its modified value.
+         * By using this shim, they can avoid unnecessary stack spillage.
+         */
+        return getsockname(sockfd, (struct sockaddr *)addr, &addrlen);
+}