1 /* vi: set sw=4 ts=4: */
2 /*
3  * Utility routines.
4  *
5  * Licensed under GPLv2, see file LICENSE in this source tree.
6  */
7 //kbuild:lib-y += bb_getsockname.o
8 
9 #include "libbb.h"
10 
bb_getsockname(int sockfd,void * addr,socklen_t addrlen)11 int FAST_FUNC bb_getsockname(int sockfd, void *addr, socklen_t addrlen)
12 {
13 	/* The usefullness of this function is that for getsockname(),
14 	 * addrlen must go on stack (to _have_ an address to be passed),
15 	 * but many callers do not need its modified value.
16 	 * By using this shim, they can avoid unnecessary stack spillage.
17 	 */
18 	return getsockname(sockfd, (struct sockaddr *)addr, &addrlen);
19 }
20