diff options
Diffstat (limited to 'nuttx/net/bind.c')
| -rw-r--r-- | nuttx/net/bind.c | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/nuttx/net/bind.c b/nuttx/net/bind.c index e0e9676dd..da912e017 100644 --- a/nuttx/net/bind.c +++ b/nuttx/net/bind.c @@ -1,8 +1,8 @@ /**************************************************************************** * net/bind.c * - * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * Copyright (C) 2007-2009, 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -51,16 +51,16 @@ ****************************************************************************/ /**************************************************************************** - * Function: bind + * Function: psock_bind * * Description: - * bind() gives the socket 'sockfd' the local address 'addr'. 'addr' is + * bind() gives the socket 'psock' the local address 'addr'. 'addr' is * 'addrlen' bytes long. Traditionally, this is called "assigning a name to * a socket." When a socket is created with socket, it exists in a name * space (address family) but has no name assigned. * * Parameters: - * sockfd Socket descriptor from socket + * psock Socket structure of the socket to bind * addr Socket local address * addrlen Length of 'addr' * @@ -71,21 +71,18 @@ * The address is protected, and the user is not the superuser. * EADDRINUSE * The given address is already in use. - * EBADF - * sockfd is not a valid descriptor. * EINVAL * The socket is already bound to an address. * ENOTSOCK - * sockfd is a descriptor for a file, not a socket. + * psock is a descriptor for a file, not a socket. * * Assumptions: * ****************************************************************************/ -int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) +int psock_bind(FAR struct socket *psock, const struct sockaddr *addr, + socklen_t addrlen) { - FAR struct socket *psock = sockfd_socket(sockfd); - #if defined(CONFIG_NET_TCP) || defined(CONFIG_NET_UDP) #ifdef CONFIG_NET_IPv6 FAR const struct sockaddr_in6 *inaddr = (const struct sockaddr_in6 *)addr; @@ -97,11 +94,11 @@ int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) int err; int ret; - /* Verify that the sockfd corresponds to valid, allocated socket */ + /* Verify that the psock corresponds to valid, allocated socket */ if (!psock || psock->s_crefs <= 0) { - err = EBADF; + err = ENOTSOCK; goto errout; } @@ -154,4 +151,47 @@ errout: return ERROR; } +/**************************************************************************** + * Function: bind + * + * Description: + * bind() gives the socket 'sockfd' the local address 'addr'. 'addr' is + * 'addrlen' bytes long. Traditionally, this is called "assigning a name to + * a socket." When a socket is created with socket, it exists in a name + * space (address family) but has no name assigned. + * + * Parameters: + * sockfd Socket descriptor of the socket to bind + * addr Socket local address + * addrlen Length of 'addr' + * + * Returned Value: + * 0 on success; -1 on error with errno set appropriately + * + * EACCES + * The address is protected, and the user is not the superuser. + * EADDRINUSE + * The given address is already in use. + * EBADF + * sockfd is not a valid descriptor. + * EINVAL + * The socket is already bound to an address. + * ENOTSOCK + * sockfd is a descriptor for a file, not a socket. + * + * Assumptions: + * + ****************************************************************************/ + +int bind(int sockfd, const struct sockaddr *addr, socklen_t addrlen) +{ + /* Make the socket descriptor to the underlying socket structure */ + + FAR struct socket *psock = sockfd_socket(sockfd); + + /* Then let psock_bind do all of the work */ + + return psock_bind(psock, addr, addrlen); +} + #endif /* CONFIG_NET */ |