Patch 7.4.562
Problem: Segfault with wide screen and error in 'rulerformat'. (Ingo Karkat)
Solution: Check there is enough space. (Christian Brabandt)
Files: src/buffer.c, src/screen.c
*** ../vim-7.4.561/src/buffer.c 2014-11-19 16:38:01.500680103 +0100
--- src/buffer.c 2015-01-07 13:24:22.663808167 +0100
***************
*** 4409,4414 ****
--- 4409,4416 ----
long above; /* number of lines above window */
long below; /* number of lines below window */
+ if (buflen < 3) /* need at least 3 chars for writing */
+ return;
above = wp->w_topline - 1;
#ifdef FEAT_DIFF
above += diff_check_fill(wp, wp->w_topline) - wp->w_topfill;
*** ../vim-7.4.561/src/screen.c 2014-12-13 03:36:34.988435244 +0100
--- src/screen.c 2015-01-07 13:28:04.069254599 +0100
***************
*** 10588,10594 ****
this_ru_col = (WITH_WIDTH(width) + 1) / 2;
if (this_ru_col + o < WITH_WIDTH(width))
{
! while (this_ru_col + o < WITH_WIDTH(width))
{
#ifdef FEAT_MBYTE
if (has_mbyte)
--- 10588,10595 ----
this_ru_col = (WITH_WIDTH(width) + 1) / 2;
if (this_ru_col + o < WITH_WIDTH(width))
{
! /* need at least 3 chars left for get_rel_pos() + NUL */
! while (this_ru_col + o < WITH_WIDTH(width) && RULER_BUF_LEN > i + 4)
{
#ifdef FEAT_MBYTE
if (has_mbyte)
*** ../vim-7.4.561/src/version.c 2015-01-07 13:15:40.609829496 +0100
--- src/version.c 2015-01-07 13:22:59.184770984 +0100
***************
*** 743,744 ****
--- 743,746 ----
{ /* Add new patch number below this line */
+ /**/
+ 562,
/**/
--
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