riot-ci/RIOT
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

posix_sockets: use vfs_file_get() to resolve file descriptor

Browse Source
This commit is contained in:
Martine S. Lenders 2019-12-13 12:54:51 +01:00
parent ef844d8863
commit c7dc0bb8de
No known key found for this signature in database
GPG Key ID: CCD317364F63286F
1 changed files with 12 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
sys/posix/sockets/posix_sockets.c
View File

@ -122,13 +122,20 @@ static socket_sock_t *_get_free_sock(void)
static socket_t *_get_socket(int fd) static socket_t *_get_socket(int fd)
{ {
for (int i = 0; i < _ACTUAL_SOCKET_POOL_SIZE; i++) { const vfs_file_t *file = vfs_file_get(fd);
if (_socket_pool[i].fd == fd) { /* we know what to do with `socket`, so it's okay to discard the const */
return &_socket_pool[i]; socket_t *socket = (file == NULL)
} ? NULL
: file->private_data.ptr;
if ((socket >= &_socket_pool[0]) &&
(socket <= &_socket_pool[_ACTUAL_SOCKET_POOL_SIZE - 1])) {
assert(socket->fd == fd);
return socket;
} }
else {
return NULL; return NULL;
} }
}
static int _get_sock_idx(socket_sock_t *sock) static int _get_sock_idx(socket_sock_t *sock)
{ {