diff options
Diffstat (limited to 'socket')
| -rw-r--r-- | socket/Makefile | 2 | ||||
| -rw-r--r-- | socket/sa_len.c | 108 |
2 files changed, 109 insertions, 1 deletions
diff --git a/socket/Makefile b/socket/Makefile index ad9c063a65..dc8bbde5c4 100644 --- a/socket/Makefile +++ b/socket/Makefile @@ -28,6 +28,6 @@ routines := accept bind connect getpeername getsockname getsockopt \ setsockopt shutdown socket socketpair isfdtype opensock \ sockatmark accept4 recvmmsg sendmmsg -aux := have_sock_cloexec +aux := have_sock_cloexec sa_len include ../Rules diff --git a/socket/sa_len.c b/socket/sa_len.c new file mode 100644 index 0000000000..5cbcf4b586 --- /dev/null +++ b/socket/sa_len.c @@ -0,0 +1,108 @@ +/* Helper for SA_LEN macro. + Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <sys/socket.h> + +/* If _HAVE_SA_LEN is defined, then SA_LEN just uses sockaddr.sa_len + and there is no need for a helper function. */ + +#ifndef _HAVE_SA_LEN + +/* All configurations have at least these two headers + and their associated address families. */ + +# include <netinet/in.h> +# include <sys/un.h> + +/* More-specific sa_len.c files #define these various HAVE_*_H + macros and then #include this file. */ + +# ifdef HAVE_NETASH_ASH_H +# include <netash/ash.h> +# endif +# ifdef HAVE_NETATALK_AT_H +# include <netatalk/at.h> +# endif +# ifdef HAVE_NETAX25_AX25_H +# include <netax25/ax25.h> +# endif +# ifdef HAVE_NETECONET_EC_H +# include <neteconet/ec.h> +# endif +# ifdef HAVE_NETIPX_IPX_H +# include <netipx/ipx.h> +# endif +# ifdef HAVE_NETPACKET_PACKET_H +# include <netpacket/packet.h> +# endif +# ifdef HAVE_NETROSE_ROSE_H +# include <netrose/rose.h> +# endif +# ifdef HAVE_NETIUCV_IUCV_H +# include <netiucv/iucv.h> +# endif + +int +__libc_sa_len (sa_family_t af) +{ + switch (af) + { +# ifdef HAVE_NETATALK_AT_H + case AF_APPLETALK: + return sizeof (struct sockaddr_at); +# endif +# ifdef HAVE_NETASH_ASH_H + case AF_ASH: + return sizeof (struct sockaddr_ash); +# endif +# ifdef HAVE_NETAX25_AX25_H + case AF_AX25: + return sizeof (struct sockaddr_ax25); +# endif +# ifdef HAVE_NETECONET_EC_H + case AF_ECONET: + return sizeof (struct sockaddr_ec); +# endif + case AF_INET: + return sizeof (struct sockaddr_in); + case AF_INET6: + return sizeof (struct sockaddr_in6); +# ifdef HAVE_NETIPX_IPX_H + case AF_IPX: + return sizeof (struct sockaddr_ipx); +# endif +# ifdef HAVE_NETIUCV_IUCV_H + case AF_IUCV: + return sizeof (struct sockaddr_iucv); +# endif + case AF_LOCAL: + return sizeof (struct sockaddr_un); +# ifdef HAVE_NETPACKET_PACKET_H + case AF_PACKET: + return sizeof (struct sockaddr_ll); +# endif +# ifdef HAVE_NETROSE_ROSE_H + case AF_ROSE: + return sizeof (struct sockaddr_rose); +# endif + } + return 0; +} +libc_hidden_def (__libc_sa_len) + +#endif /* Not _HAVE_SA_LEN. */ |