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

[musl] / src / unistd / setresgid.c

diff --git a/src/unistd/setresgid.c b/src/unistd/setresgid.c
index 3c85a82..b9af540 100644 (file)
--- a/src/unistd/setresgid.c
+++ b/src/unistd/setresgid.c
@@ -5,6 +5,5 @@
 
 int setresgid(gid_t rgid, gid_t egid, gid_t sgid)
 {
-       if (libc.rsyscall) return libc.rsyscall(__NR_setresgid, rgid, egid, sgid, 0, 0, 0);
-       return syscall(SYS_setresgid, rgid, egid, sgid);
+       return __setxid(SYS_setresgid, rgid, egid, sgid);
 }