Patch 7.4.051
Problem: Syntax highlighting a Yaml file causes a crash. (Blake Preston)
Solution: Copy the pim structure before calling addstate() to avoid it
becoming invalide when the state list is reallocated.
Files: src/regexp_nfa.c
*** ../vim-7.4.050/src/regexp_nfa.c 2013-09-25 18:16:34.000000000 +0200
--- src/regexp_nfa.c 2013-10-06 15:44:31.000000000 +0200
***************
*** 6458,6463 ****
--- 6458,6464 ----
if (add_state != NULL)
{
nfa_pim_T *pim;
+ nfa_pim_T pim_copy;
if (t->pim.result == NFA_PIM_UNUSED)
pim = NULL;
***************
*** 6531,6536 ****
--- 6532,6546 ----
pim = NULL;
}
+ /* If "pim" points into l->t it will become invalid when
+ * adding the state causes the list to be reallocated. Make a
+ * local copy to avoid that. */
+ if (pim == &t->pim)
+ {
+ copy_pim(&pim_copy, pim);
+ pim = &pim_copy;
+ }
+
if (add_here)
addstate_here(thislist, add_state, &t->subs, pim, &listidx);
else
*** ../vim-7.4.050/src/version.c 2013-10-02 21:54:57.000000000 +0200
--- src/version.c 2013-10-06 15:21:16.000000000 +0200
***************
*** 740,741 ****
--- 740,743 ----
{ /* Add new patch number below this line */
+ /**/
+ 51,
/**/
--
GUARD #2: It could be carried by an African swallow!
GUARD #1: Oh, yeah, an African swallow maybe, but not a European swallow,
that's my point.
GUARD #2: Oh, yeah, I agree with that...
The Quest for the Holy Grail (Monty Python)
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