getaddrinfo: add EAI_NODATA error code to distinguish NODATA vs NxDomain

[musl] / src / ipc / msgctl.c

diff --git a/src/ipc/msgctl.c b/src/ipc/msgctl.c
index d50e395..9c11440 100644 (file)
--- a/src/ipc/msgctl.c
+++ b/src/ipc/msgctl.c
@@ -1,12 +1,51 @@
 #include <sys/msg.h>
+#include <endian.h>
 #include "syscall.h"
 #include "ipc.h"
 
+#if __BYTE_ORDER != __BIG_ENDIAN
+#undef SYSCALL_IPC_BROKEN_MODE
+#endif
+
 int msgctl(int q, int cmd, struct msqid_ds *buf)
 {
-#ifdef SYS_msgctl
-       return syscall(SYS_msgctl, q, cmd, 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) {
+               tmp = *buf;
+               tmp.msg_perm.mode *= 0x10000U;
+               buf = &tmp;
+       }
+#endif
+#ifndef SYS_ipc
+       int r = __syscall(SYS_msgctl, q, IPC_CMD(cmd), buf);
 #else
-       return syscall(SYS_ipc, IPCOP_msgctl, q, cmd, buf);
+       int r = __syscall(SYS_ipc, IPCOP_msgctl, q, IPC_CMD(cmd), 0, buf, 0);
+#endif
+#ifdef SYSCALL_IPC_BROKEN_MODE
+       if (r >= 0) switch (cmd | IPC_TIME64) {
+       case IPC_STAT:
+       case MSG_STAT:
+       case MSG_STAT_ANY:
+               buf->msg_perm.mode >>= 16;
+       }
+#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);
+       }
 #endif
+       return __syscall_ret(r);
 }