iPXE
socket.c
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1 /*
2  * Copyright (C) 2013 Michael Brown <mbrown@fensystems.co.uk>.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License as
6  * published by the Free Software Foundation; either version 2 of the
7  * License, or any later version.
8  *
9  * This program is distributed in the hope that it will be useful, but
10  * WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
17  * 02110-1301, USA.
18  *
19  * You can also choose to distribute this program under the terms of
20  * the Unmodified Binary Distribution Licence (as given in the file
21  * COPYING.UBDL), provided that you have satisfied its requirements.
22  */
23 
24 FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
25 
26 #include <stddef.h>
27 #include <errno.h>
28 #include <ipxe/socket.h>
29 
30 /** @file
31  *
32  * Sockets
33  *
34  */
35 
36 /**
37  * Transcribe socket address
38  *
39  * @v sa Socket address
40  * @ret string Socket address string
41  */
42 const char * sock_ntoa ( struct sockaddr *sa ) {
43  struct sockaddr_converter *converter;
44 
46  if ( converter->family == sa->sa_family )
47  return converter->ntoa ( sa );
48  }
49  return NULL;
50 }
51 
52 /**
53  * Parse socket address
54  *
55  * @v string Socket address string
56  * @v sa Socket address to fill in
57  * @ret rc Return status code
58  */
59 int sock_aton ( const char *string, struct sockaddr *sa ) {
60  struct sockaddr_converter *converter;
61 
63  if ( converter->aton ( string, sa ) == 0 ) {
64  sa->sa_family = converter->family;
65  return 0;
66  }
67  }
68  return -EINVAL;
69 }
#define EINVAL
Invalid argument.
Definition: errno.h:428
struct sockaddr sa
Definition: dns.c:68
Error codes.
sa_family_t sa_family
Socket address family.
Definition: socket.h:101
#define SOCKADDR_CONVERTERS
Socket address converter table.
Definition: socket.h:137
int sock_aton(const char *string, struct sockaddr *sa)
Parse socket address.
Definition: socket.c:59
Socket address converter.
Definition: socket.h:115
Generalized socket address structure.
Definition: socket.h:96
#define for_each_table_entry(pointer, table)
Iterate through all entries within a linker table.
Definition: tables.h:358
sa_family_t family
Socket address family.
Definition: socket.h:120
FILE_LICENCE(GPL2_OR_LATER_OR_UBDL)
const char * sock_ntoa(struct sockaddr *sa)
Transcribe socket address.
Definition: socket.c:42
int(* aton)(const char *string, struct sockaddr *sa)
Parse socket address.
Definition: socket.h:133
const char *(* ntoa)(struct sockaddr *sa)
Transcribe socket address.
Definition: socket.h:126
Socket addresses.
#define NULL
NULL pointer (VOID *)
Definition: Base.h:362