new attempt at making set*id() safe and robust

[musl] / src / unistd / setuid.c

diff --git a/src/unistd/setuid.c b/src/unistd/setuid.c
index 61e8be5..602ecbb 100644 (file)
--- a/src/unistd/setuid.c
+++ b/src/unistd/setuid.c
@@ -4,6 +4,5 @@
 
 int setuid(uid_t uid)
 {
-       if (libc.rsyscall) return libc.rsyscall(__NR_setuid, uid, 0, 0, 0, 0, 0);
-       return syscall(SYS_setuid, uid);
+       return __setxid(SYS_setuid, uid, 0, 0);
 }