Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

When performing a scroll, check the last line of the region is the same 

on virtscr and curscr because the indexes past are supposed to be
one *past* the last matching line (they may actually match if the line is
at the bottom of the screen).  Iff they don't match reduce the scroll
region size by one so we don't scroll non-matching lines, also check
if the region is then 0 after the decrement and just return if it was.
This commit is contained in:
blymn 2022-11-30 06:19:15 +00:00
parent efcd8443e2
commit dabdb153f2
1 changed files with 9 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
lib/libcurses/refresh.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: refresh.c,v 1.124 2022/10/19 06:09:27 blymn Exp $ */
/* $NetBSD: refresh.c,v 1.125 2022/11/30 06:19:15 blymn Exp $ */
/*
* Copyright (c) 1981, 1993, 1994
@ -34,7 +34,7 @@
#if 0
static char sccsid[] = "@(#)refresh.c 8.7 (Berkeley) 8/13/94";
#else
__RCSID("$NetBSD: refresh.c,v 1.124 2022/10/19 06:09:27 blymn Exp $");
__RCSID("$NetBSD: refresh.c,v 1.125 2022/11/30 06:19:15 blymn Exp $");
#endif
#endif /* not lint */
@ -1852,6 +1852,13 @@ scrolln(int starts, int startw, int curs, int bot, int top)
ox = curscr->curx;
n = starts - startw;
if (!lineeq(__virtscr->alines[startw]->line,
curscr->alines[starts]->line, (size_t) __virtscr->maxx))
n--;
if (n == 0)
return;
/*
* XXX
* The initial tests that set __noqch don't let us reach here unless