LD_PRELOAD support

[musl] / src / network / sendmsg.c

diff --git a/src/network/sendmsg.c b/src/network/sendmsg.c
index 5d1123f..164c28d 100644 (file)
--- a/src/network/sendmsg.c
+++ b/src/network/sendmsg.c
@@ -1,12 +1,17 @@
 #include <sys/socket.h>
+#include <limits.h>
 #include "syscall.h"
 #include "libc.h"
 
 ssize_t sendmsg(int fd, const struct msghdr *msg, int flags)
 {
-       ssize_t r;
-       CANCELPT_BEGIN;
-       r = socketcall(sendmsg, fd, msg, flags, 0, 0, 0);
-       CANCELPT_END;
-       return r;
+#if LONG_MAX > INT_MAX
+       struct msghdr h;
+       if (msg) {
+               h = *msg;
+               h.__pad1 = h.__pad2 = 0;
+               msg = &h;
+       }
+#endif
+       return socketcall_cp(sendmsg, fd, msg, flags, 0, 0, 0);
 }