From a288258785bac3c2000227532f4a17210813c506 Mon Sep 17 00:00:00 2001 From: Anton Kling Date: Thu, 16 Nov 2023 15:24:45 +0100 Subject: Kernel: Change how syscalls are built and implemented. --- kernel/syscalls/sendto.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 kernel/syscalls/sendto.c (limited to 'kernel/syscalls/sendto.c') diff --git a/kernel/syscalls/sendto.c b/kernel/syscalls/sendto.c new file mode 100644 index 0000000..ffedd75 --- /dev/null +++ b/kernel/syscalls/sendto.c @@ -0,0 +1,23 @@ +#include +#include +#include +#include + +size_t syscall_sendto(int socket, const void *message, size_t length, + int flags, struct t_two_args *extra_args /* + const struct sockaddr *dest_addr, + socklen_t dest_len*/) { + const struct sockaddr *dest_addr = (const struct sockaddr *)extra_args->a; + socklen_t dest_len = (socklen_t)extra_args->b; + (void)dest_len; + vfs_fd_t *fd = get_vfs_fd(socket); + assert(fd); + SOCKET *s = (SOCKET *)fd->inode->internal_object; + OPEN_INET_SOCKET *inet = s->child; + assert(inet); + struct sockaddr_in in; + in.sin_addr.s_addr = inet->address; + in.sin_port = inet->port; + send_udp_packet(&in, (const struct sockaddr_in *)dest_addr, message, length); + return length; // FIXME: This is probably not true. +} -- cgit v1.2.3