| To: vim_dev@googlegroups.com |
| Subject: Patch 7.4.051 |
| Fcc: outbox |
| From: Bram Moolenaar <Bram@moolenaar.net> |
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| |
| |
| 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 |
| |
| |
| |
| |
| |
| *** 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 |
| |
| |
| |
| *** 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) |
| |
| /// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\ |
| /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ |
| \\\ an exciting new programming language -- http://www.Zimbu.org /// |
| \\\ help me help AIDS victims -- http://ICCF-Holland.org /// |