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Implement recvfrom(2) and sendto(2).

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This commit is contained in:
Jonas 'Sortie' Termansen 2014-06-27 23:48:35 +02:00
parent a8a8154adc
commit a00d085b81
2 changed files with 49 additions and 14 deletions
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34
libc/sys/socket/recvfrom.cpp
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
This file is part of the Sortix C Library.
@ -24,12 +24,32 @@
#include <sys/socket.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
extern "C" ssize_t recvfrom(int, void* restrict, size_t, int,
struct sockaddr* restrict, socklen_t* restrict)
extern "C"
ssize_t recvfrom(int fd,
void* restrict buffer,
size_t buffer_size,
int flags,
struct sockaddr* restrict addr,
socklen_t* restrict addrsize)
{
fprintf(stderr, "%s is not implemented yet.\n", __func__);
return errno = ENOSYS, -1;
struct msghdr msghdr;
memset(&msghdr, 0, sizeof(msghdr));
struct iovec iovec;
iovec.iov_base = buffer;
iovec.iov_len = buffer_size;
msghdr.msg_name = addr;
msghdr.msg_namelen = addrsize ? *addrsize : 0;
msghdr.msg_iov = &iovec;
msghdr.msg_iovlen = 1;
ssize_t result = recvmsg(fd, &msghdr, flags);
if ( addrsize )
*addrsize = msghdr.msg_namelen;
return result;
}

29
libc/sys/socket/sendto.cpp
View file

@ -1,6 +1,6 @@
/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
Copyright(C) Jonas 'Sortie' Termansen 2013, 2014.
This file is part of the Sortix C Library.
@ -24,12 +24,27 @@
#include <sys/socket.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
extern "C" ssize_t sendto(int, const void*, size_t, int, const struct sockaddr*,
socklen_t)
extern "C"
ssize_t sendto(int fd,
const void* buffer,
size_t buffer_size,
int flags,
const struct sockaddr* addr,
socklen_t addrsize)
{
fprintf(stderr, "%s is not implemented yet.\n", __func__);
return errno = ENOSYS, -1;
struct msghdr msghdr;
memset(&msghdr, 0, sizeof(msghdr));
struct iovec iovec;
iovec.iov_base = (void*) buffer;
iovec.iov_len = buffer_size;
msghdr.msg_name = (void*) addr;
msghdr.msg_namelen = addrsize;
msghdr.msg_iov = &iovec;
msghdr.msg_iovlen = 1;
return sendmsg(fd, &msghdr, flags);
}