[src/trunk]: src/external/bsd/nvi/dist/vi Fix cursor movement for the case of...

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

details:   https://anonhg.NetBSD.org/src/rev/d77efacb640d
branches:  trunk
changeset: 827837:d77efacb640d
user:      rin <rin%NetBSD.org@localhost>
date:      Tue Nov 14 12:20:55 2017 +0000

description:
Fix cursor movement for the case of USE_WIDECHAR != "yes", where the argument
of INTISWIDE() is not evaluated.

diffstat:

 external/bsd/nvi/dist/vi/vs_refresh.c |  13 ++++++++-----
 1 files changed, 8 insertions(+), 5 deletions(-)

diffs (48 lines):

diff -r 4de0f41aa373 -r d77efacb640d external/bsd/nvi/dist/vi/vs_refresh.c
--- a/external/bsd/nvi/dist/vi/vs_refresh.c     Tue Nov 14 10:15:40 2017 +0000
+++ b/external/bsd/nvi/dist/vi/vs_refresh.c     Tue Nov 14 12:20:55 2017 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: vs_refresh.c,v 1.7 2017/11/10 14:44:13 rin Exp $ */
+/*     $NetBSD: vs_refresh.c,v 1.8 2017/11/14 12:20:55 rin Exp $ */
 /*-
  * Copyright (c) 1992, 1993, 1994
  *     The Regents of the University of California.  All rights reserved.
@@ -16,7 +16,7 @@
 static const char sccsid[] = "Id: vs_refresh.c,v 10.50 2001/06/25 15:19:37 skimo Exp  (Berkeley) Date: 2001/06/25 15:19:37 ";
 #endif /* not lint */
 #else
-__RCSID("$NetBSD: vs_refresh.c,v 1.7 2017/11/10 14:44:13 rin Exp $");
+__RCSID("$NetBSD: vs_refresh.c,v 1.8 2017/11/14 12:20:55 rin Exp $");
 #endif
 
 #include <sys/types.h>
@@ -484,7 +484,8 @@
                 * boundary, we have no hope to speed it up.  Do it slowly.
                 */
                p += OCNO;
-               if (INTISWIDE(ch = (UCHAR_T)*p))
+               ch = (UCHAR_T)*p;
+               if (INTISWIDE(ch))
                        cwtotal = SCNO;
                else {
                        if (ch == '\t' || (chlen = KEY_LEN(sp, ch)) > SCNO + 1)
@@ -537,7 +538,8 @@
                 * of wide characters.
                 */
                p += OCNO;
-               if (INTISWIDE(ch = (UCHAR_T)*p))
+               ch = (UCHAR_T)*p;
+               if (INTISWIDE(ch))
                        cwtotal = SCNO;
                else
                        cwtotal = SCNO + 1 - KEY_LEN(sp, ch);
@@ -558,7 +560,8 @@
                                goto slow;
                        cwtotal += KEY_COL(sp, ch);
                        cnt--;
-                       if (INTISWIDE(ch = (UCHAR_T)*++p)
+                       ch = (UCHAR_T)*++p;
+                       if (INTISWIDE(ch)
                            && (chlen = CHAR_WIDTH(sp, ch)) > 1
                            && cwtotal + chlen >= SCREEN_COLS(sp))
                                cwtotal = SCREEN_COLS(sp);