| Denys Vlasenko | ba3b9db | 2018-02-11 14:55:46 +0100 | [diff] [blame] | 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 | |
| 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 | } |