Patch 7.3.739
Problem: Computing number of lines may have an integer overflow.
Solution: Check for MAXCOL explicitly. (Dominique Pelle)
Files: src/move.c
*** ../vim-7.3.738/src/move.c 2012-03-28 14:19:46.000000000 +0200
--- src/move.c 2012-11-28 18:15:42.000000000 +0100
***************
*** 2576,2582 ****
else
topline_back(lp);
h2 = lp->height;
! if (h2 + h1 > min_height)
{
*lp = loff0; /* no overlap */
return;
--- 2576,2582 ----
else
topline_back(lp);
h2 = lp->height;
! if (h2 == MAXCOL || h2 + h1 > min_height)
{
*lp = loff0; /* no overlap */
return;
***************
*** 2588,2594 ****
else
topline_back(lp);
h3 = lp->height;
! if (h3 + h2 > min_height)
{
*lp = loff0; /* no overlap */
return;
--- 2588,2594 ----
else
topline_back(lp);
h3 = lp->height;
! if (h3 == MAXCOL || h3 + h2 > min_height)
{
*lp = loff0; /* no overlap */
return;
***************
*** 2600,2606 ****
else
topline_back(lp);
h4 = lp->height;
! if (h4 + h3 + h2 > min_height || h3 + h2 + h1 > min_height)
*lp = loff1; /* 1 line overlap */
else
*lp = loff2; /* 2 lines overlap */
--- 2600,2606 ----
else
topline_back(lp);
h4 = lp->height;
! if (h4 == MAXCOL || h4 + h3 + h2 > min_height || h3 + h2 + h1 >
min_height)
*lp = loff1; /* 1 line overlap */
else
*lp = loff2; /* 2 lines overlap */
*** ../vim-7.3.738/src/version.c 2012-11-28 17:41:55.000000000 +0100
--- src/version.c 2012-11-28 18:16:40.000000000 +0100
***************
*** 727,728 ****
--- 727,730 ----
{ /* Add new patch number below this line */
+ /**/
+ 739,
/**/
--
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