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Sync OpenBSD patchset 278:

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Don't read beyond the edge of the screen when searching (dies with debug
enabled).
This commit is contained in:
Tiago Cunha 2009-08-20 11:52:39 +00:00
parent 1292540bb5
commit 0027aa3d1e
1 changed files with 3 additions and 1 deletions
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4
window-copy.c
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@ -1,4 +1,4 @@
/* $Id: window-copy.c,v 1.82 2009-08-20 11:23:36 tcunha Exp $ */ /* $Id: window-copy.c,v 1.83 2009-08-20 11:52:39 tcunha Exp $ */
/* /*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@ -504,6 +504,8 @@ window_copy_search_rl(struct grid *gd,
u_int ax, bx, px; u_int ax, bx, px;
for (ax = last + 1; ax > first; ax--) { for (ax = last + 1; ax > first; ax--) {
if (gd->sx - (ax - 1) < sgd->sx)
continue;
for (bx = 0; bx < sgd->sx; bx++) { for (bx = 0; bx < sgd->sx; bx++) {
px = ax - 1 + bx; px = ax - 1 + bx;
if (!window_copy_search_compare(gd, px, py, sgd, bx)) if (!window_copy_search_compare(gd, px, py, sgd, bx))