From 8e776e3ed40a4fb084e3d671d887825049c8f0cf Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Wed, 8 Jan 2014 17:37:05 -0500
Subject: fix inadvertent use of struct in place of union for semun

---
 src/ipc/semctl.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'src/ipc')

diff --git a/src/ipc/semctl.c b/src/ipc/semctl.c
index 49927e2e..3d79f503 100644
--- a/src/ipc/semctl.c
+++ b/src/ipc/semctl.c
@@ -3,7 +3,7 @@
 #include "syscall.h"
 #include "ipc.h"
 
-struct semun {
+union semun {
 	int val;
 	struct semid_ds *buf;
 	unsigned short *array;
@@ -11,10 +11,10 @@ struct semun {
 
 int semctl(int id, int num, int cmd, ...)
 {
-	struct semun arg;
+	union semun arg;
 	va_list ap;
 	va_start(ap, cmd);
-	arg = va_arg(ap, struct semun);
+	arg = va_arg(ap, union semun);
 	va_end(ap);
 #ifdef SYS_semctl
 	return syscall(SYS_semctl, id, num, cmd | IPC_64, arg.buf);
-- 
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