58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
/*
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This file is part of actube.
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actube is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file
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* @brief Implementation of sock_receive
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*/
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#include <errno.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include "sock.h"
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/**
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* Receive data from a socket
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* @param sock the socket
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* @param buf destination buffer
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* @param len length of destination buffer
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* @srcaddr receives the source address
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* @srcaddrlen receives the length of the source address
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* @return the number of bytes read oder -1 if an error has occured.
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*
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* If the return value is -1, errno is set to the appropriate error
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*/
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int sock_receive(int sock, void *buf, size_t len, int flags,
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struct sockaddr *srcaddr, socklen_t * srcaddrlen)
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{
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int n;
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/* socklen_t al = sizeof(struct sockaddr_storage); */
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*srcaddrlen=sizeof(struct sockaddr);
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memset(srcaddr, 0, sizeof(struct sockaddr));
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while ((n = recvfrom(sock, (char *) buf, len, flags, srcaddr, srcaddrlen)) < 0) {
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if (errno != EINTR)
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return n;
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}
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return n;
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}
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