[src/trunk]: src/sys/kern Move the add char portion to its own function.

[christos <christos%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/4f6eb43b6ecf
branches:  trunk
changeset: 321703:4f6eb43b6ecf
user:      christos <christos%NetBSD.org@localhost>
date:      Sun Apr 01 19:01:08 2018 +0000

description:
Move the add char portion to its own function.

diffstat:

 sys/kern/subr_log.c |  24 +++++++++++++++---------
 1 files changed, 15 insertions(+), 9 deletions(-)

diffs (52 lines):

diff -r a72d3d9247dc -r 4f6eb43b6ecf sys/kern/subr_log.c
--- a/sys/kern/subr_log.c       Sun Apr 01 18:26:51 2018 +0000
+++ b/sys/kern/subr_log.c       Sun Apr 01 19:01:08 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: subr_log.c,v 1.57 2018/03/31 23:12:01 christos Exp $   */
+/*     $NetBSD: subr_log.c,v 1.58 2018/04/01 19:01:08 christos Exp $   */
 
 /*-
  * Copyright (c) 2007, 2008 The NetBSD Foundation, Inc.
@@ -65,7 +65,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: subr_log.c,v 1.57 2018/03/31 23:12:01 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: subr_log.c,v 1.58 2018/04/01 19:01:08 christos Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -404,6 +404,18 @@
        }
 }
 
+static void
+logaddchar(struct kern_msgbuf *mbp, int c)
+{
+       mbp->msg_bufc[mbp->msg_bufx++] = c;
+       if (mbp->msg_bufx < 0 || mbp->msg_bufx >= mbp->msg_bufs)
+               mbp->msg_bufx = 0;
+
+       /* If the buffer is full, keep the most recent data. */
+       if (mbp->msg_bufr == mbp->msg_bufx)
+               logskip(mbp);
+}
+
 void
 logputchar(int c)
 {
@@ -431,13 +443,7 @@
 
        }
 
-       mbp->msg_bufc[mbp->msg_bufx++] = c;
-       if (mbp->msg_bufx < 0 || mbp->msg_bufx >= mbp->msg_bufs)
-               mbp->msg_bufx = 0;
-
-       /* If the buffer is full, keep the most recent data. */
-       if (mbp->msg_bufr == mbp->msg_bufx)
-               logskip(mbp);
+       logaddchar(mbp, c);
 
 out:
        if (!cold)