iPXE
socket.c
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00001 /*
00002  * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
00003  *
00004  * This program is free software; you can redistribute it and/or
00005  * modify it under the terms of the GNU General Public License as
00006  * published by the Free Software Foundation; either version 2 of the
00007  * License, or any later version.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with this program; if not, write to the Free Software
00016  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
00017  * 02110-1301, USA.
00018  *
00019  * You can also choose to distribute this program under the terms of
00020  * the Unmodified Binary Distribution Licence (as given in the file
00021  * COPYING.UBDL), provided that you have satisfied its requirements.
00022  */
00023 
00024 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
00025 
00026 #include <stddef.h>
00027 #include <errno.h>
00028 #include <ipxe/socket.h>
00029 
00030 /** @file
00031  *
00032  * Sockets
00033  *
00034  */
00035 
00036 /**
00037  * Transcribe socket address
00038  *
00039  * @v sa                Socket address
00040  * @ret string          Socket address string
00041  */
00042 const char * sock_ntoa ( struct sockaddr *sa ) {
00043         struct sockaddr_converter *converter;
00044 
00045         for_each_table_entry ( converter, SOCKADDR_CONVERTERS ) {
00046                 if ( converter->family == sa->sa_family )
00047                         return converter->ntoa ( sa );
00048         }
00049         return NULL;
00050 }
00051 
00052 /**
00053  * Parse socket address
00054  *
00055  * @v string            Socket address string
00056  * @v sa                Socket address to fill in
00057  * @ret rc              Return status code
00058  */
00059 int sock_aton ( const char *string, struct sockaddr *sa ) {
00060         struct sockaddr_converter *converter;
00061 
00062         for_each_table_entry ( converter, SOCKADDR_CONVERTERS ) {
00063                 if ( converter->aton ( string, sa ) == 0 ) {
00064                         sa->sa_family = converter->family;
00065                         return 0;
00066                 }
00067         }
00068         return -EINVAL;
00069 }