Remove register keyword from sys/ and ANSIfy prototypes

A long long time ago the register keyword told the compiler to store
the corresponding variable in a CPU register, but it is not relevant
for any compiler used in the FreeBSD world today.

ANSIfy related prototypes while here.

Reviewed by:	cem, jhb
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D10193

1 files changed, 28 insertions, 48 deletions

diff --git a/sys/kern/sysv_msg.c b/sys/kern/sysv_msg.c
index 80102fa25742..207fb1f5d7bc 100644
--- a/sys/kern/sysv_msg.c
+++ b/sys/kern/sysv_msg.c
@@ -480,9 +480,7 @@ struct msgctl_args {
 };
 #endif
 int
-sys_msgctl(td, uap)
-	struct thread *td;
-	register struct msgctl_args *uap;
+sys_msgctl(struct thread *td, struct msgctl_args *uap)
 {
 	int msqid = uap->msqid;
 	int cmd = uap->cmd;
@@ -507,7 +505,7 @@ kern_msgctl(td, msqid, cmd, msqbuf)
 	struct msqid_ds *msqbuf;
 {
 	int rval, error, msqix;
-	register struct msqid_kernel *msqkptr;
+	struct msqid_kernel *msqkptr;
 	struct prison *rpr;
 
 	rpr = msg_find_prison(td->td_ucred);
@@ -644,15 +642,13 @@ struct msgget_args {
 #endif
 
 int
-sys_msgget(td, uap)
-	struct thread *td;
-	register struct msgget_args *uap;
+sys_msgget(struct thread *td, struct msgget_args *uap)
 {
 	int msqid, error = 0;
 	int key = uap->key;
 	int msgflg = uap->msgflg;
 	struct ucred *cred = td->td_ucred;
-	register struct msqid_kernel *msqkptr = NULL;
+	struct msqid_kernel *msqkptr = NULL;
 
 	DPRINTF(("msgget(0x%x, 0%o)\n", key, msgflg));
 
@@ -764,23 +760,18 @@ done2:
 #ifndef _SYS_SYSPROTO_H_
 struct msgsnd_args {
 	int	msqid;
-	const void	*msgp;
+	const void	*msgp;	/* XXX msgp is actually mtext. */
 	size_t	msgsz;
 	int	msgflg;
 };
 #endif
 int
-kern_msgsnd(td, msqid, msgp, msgsz, msgflg, mtype)
-	struct thread *td;
-	int msqid;
-	const void *msgp;	/* XXX msgp is actually mtext. */
-	size_t msgsz;
-	int msgflg;
-	long mtype;
+kern_msgsnd(struct thread *td, int msqid, const void *msgp,
+    size_t msgsz, int msgflg, long mtype)
 {
 	int msqix, segs_needed, error = 0;
-	register struct msqid_kernel *msqkptr;
-	register struct msg *msghdr;
+	struct msqid_kernel *msqkptr;
+	struct msg *msghdr;
 	struct prison *rpr;
 	short next;
 #ifdef RACCT
@@ -1117,9 +1108,7 @@ done2:
 }
 
 int
-sys_msgsnd(td, uap)
-	struct thread *td;
-	register struct msgsnd_args *uap;
+sys_msgsnd(struct thread *td, struct msgsnd_args *uap)
 {
 	int error;
 	long mtype;
@@ -1145,19 +1134,14 @@ struct msgrcv_args {
 	int	msgflg;
 };
 #endif
+/* XXX msgp is actually mtext. */
 int
-kern_msgrcv(td, msqid, msgp, msgsz, msgtyp, msgflg, mtype)
-	struct thread *td;
-	int msqid;
-	void *msgp;	/* XXX msgp is actually mtext. */
-	size_t msgsz;
-	long msgtyp;
-	int msgflg;
-	long *mtype;
+kern_msgrcv(struct thread *td, int msqid, void *msgp, size_t msgsz, long msgtyp,
+    int msgflg, long *mtype)
 {
 	size_t len;
-	register struct msqid_kernel *msqkptr;
-	register struct msg *msghdr;
+	struct msqid_kernel *msqkptr;
+	struct msg *msghdr;
 	struct prison *rpr;
 	int msqix, error = 0;
 	short next;
@@ -1411,9 +1395,7 @@ done2:
 }
 
 int
-sys_msgrcv(td, uap)
-	struct thread *td;
-	register struct msgrcv_args *uap;
+sys_msgrcv(struct thread *td, struct msgrcv_args *uap)
 {
 	int error;
 	long mtype;
@@ -1812,19 +1794,19 @@ static sy_call_t *msgcalls[] = {
 
 /*
  * Entry point for all MSG calls.
+ *
+ * XXX actually varargs.
+ * struct msgsys_args {
+ *		int	which;
+ *		int	a2;
+ *		int	a3;
+ *		int	a4;
+ *		int	a5;
+ *		int	a6;
+ *	} *uap;
  */
 int
-sys_msgsys(td, uap)
-	struct thread *td;
-	/* XXX actually varargs. */
-	struct msgsys_args /* {
-		int	which;
-		int	a2;
-		int	a3;
-		int	a4;
-		int	a5;
-		int	a6;
-	} */ *uap;
+sys_msgsys(struct thread *td, struct msgsys_args *uap)
 {
 	int error;
 
@@ -1847,9 +1829,7 @@ struct freebsd7_msgctl_args {
 };
 #endif
 int
-freebsd7_msgctl(td, uap)
-	struct thread *td;
-	struct freebsd7_msgctl_args *uap;
+freebsd7_msgctl(struct thread *td, struct freebsd7_msgctl_args *uap)
 {
 	struct msqid_ds_old msqold;
 	struct msqid_ds msqbuf;