epoll_create: fail with EINVAL if size is non-positive

[musl] / src / ipc / msgctl.c

diff --git a/src/ipc/msgctl.c b/src/ipc/msgctl.c
index b043041..9c11440 100644 (file)
--- a/src/ipc/msgctl.c
+++ b/src/ipc/msgctl.c
@@ -9,6 +9,14 @@
 
 int msgctl(int q, int cmd, struct msqid_ds *buf)
 {
+#if IPC_TIME64
+       struct msqid_ds out, *orig;
+       if (cmd&IPC_TIME64) {
+               out = (struct msqid_ds){0};
+               orig = buf;
+               buf = &out;
+       }
+#endif
 #ifdef SYSCALL_IPC_BROKEN_MODE
        struct msqid_ds tmp;
        if (cmd == IPC_SET) {
@@ -32,6 +40,8 @@ int msgctl(int q, int cmd, struct msqid_ds *buf)
 #endif
 #if IPC_TIME64
        if (r >= 0 && (cmd&IPC_TIME64)) {
+               buf = orig;
+               *buf = out;
                IPC_HILO(buf, msg_stime);
                IPC_HILO(buf, msg_rtime);
                IPC_HILO(buf, msg_ctime);