diff options
Diffstat (limited to 'session/direct-ipc.c')
| -rw-r--r-- | session/direct-ipc.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/session/direct-ipc.c b/session/direct-ipc.c index fbbde02a..885662e0 100644 --- a/session/direct-ipc.c +++ b/session/direct-ipc.c @@ -1,6 +1,8 @@ #define _POSIX_C_SOURCE 200809L #include <errno.h> #include <stdio.h> +#include <stdlib.h> +#include <string.h> #include <fcntl.h> #include <unistd.h> #include <sys/socket.h> @@ -62,7 +64,7 @@ static void send_msg(int sock, int fd, void *buf, size_t buf_len) { .cmsg_type = SCM_RIGHTS, .cmsg_len = CMSG_LEN(sizeof(fd)), }; - *(int *)CMSG_DATA(cmsg) = fd; + memcpy(CMSG_DATA(cmsg), &fd, sizeof(fd)); } ssize_t ret; @@ -93,7 +95,11 @@ static ssize_t recv_msg(int sock, int *fd_out, void *buf, size_t buf_len) { if (fd_out) { struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msghdr); - *fd_out = cmsg ? *(int *)CMSG_DATA(cmsg) : -1; + if (cmsg) { + memcpy(fd_out, CMSG_DATA(cmsg), sizeof(*fd_out)); + } else { + *fd_out = -1; + } } return ret; |