Patch 7.4.528
Problem: Crash when using matchadd() (Yasuhiro Matsumoto)
Solution: Copy the match regprog.
Files: src/screen.c
*** ../vim-7.4.527/src/screen.c 2014-11-19 13:21:24.984724043 +0100
--- src/screen.c 2014-11-27 13:26:05.754837048 +0100
***************
*** 7588,7593 ****
--- 7588,7599 ----
shl->lnum = lnum;
if (shl->rm.regprog != NULL)
{
+ /* Remember whether shl->rm is using a copy of the regprog in
+ * cur->match. */
+ int regprog_is_copy = (shl != &search_hl && cur != NULL
+ && shl == &cur->hl
+ && cur->match.regprog == cur->hl.rm.regprog);
+
nmatched = vim_regexec_multi(&shl->rm, win, shl->buf, lnum,
matchcol,
#ifdef FEAT_RELTIME
***************
*** 7596,7601 ****
--- 7602,7611 ----
NULL
#endif
);
+ /* Copy the regprog, in case it got freed and recompiled. */
+ if (regprog_is_copy)
+ cur->match.regprog = cur->hl.rm.regprog;
+
if (called_emsg || got_int)
{
/* Error while handling regexp: stop using this regexp. */
*** ../vim-7.4.527/src/version.c 2014-11-23 15:57:45.568009419 +0100
--- src/version.c 2014-11-27 13:28:07.393495013 +0100
***************
*** 743,744 ****
--- 743,746 ----
{ /* Add new patch number below this line */
+ /**/
+ 528,
/**/
--
FATAL ERROR! SYSTEM HALTED! - Press any key to continue doing nothing.
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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