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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.051
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.4.051
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Problem: Syntax highlighting a Yaml file causes a crash. (Blake Preston)
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Solution: Copy the pim structure before calling addstate() to avoid it
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becoming invalide when the state list is reallocated.
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Files: src/regexp_nfa.c
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*** ../vim-7.4.050/src/regexp_nfa.c 2013-09-25 18:16:34.000000000 +0200
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--- src/regexp_nfa.c 2013-10-06 15:44:31.000000000 +0200
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***************
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*** 6458,6463 ****
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--- 6458,6464 ----
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if (add_state != NULL)
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{
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nfa_pim_T *pim;
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+ nfa_pim_T pim_copy;
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if (t->pim.result == NFA_PIM_UNUSED)
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pim = NULL;
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***************
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*** 6531,6536 ****
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--- 6532,6546 ----
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pim = NULL;
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}
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+ /* If "pim" points into l->t it will become invalid when
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+ * adding the state causes the list to be reallocated. Make a
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+ * local copy to avoid that. */
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+ if (pim == &t->pim)
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+ {
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+ copy_pim(&pim_copy, pim);
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+ pim = &pim_copy;
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+ }
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+
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if (add_here)
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addstate_here(thislist, add_state, &t->subs, pim, &listidx);
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else
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*** ../vim-7.4.050/src/version.c 2013-10-02 21:54:57.000000000 +0200
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--- src/version.c 2013-10-06 15:21:16.000000000 +0200
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***************
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*** 740,741 ****
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--- 740,743 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 51,
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/**/
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--
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GUARD #2: It could be carried by an African swallow!
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GUARD #1: Oh, yeah, an African swallow maybe, but not a European swallow,
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that's my point.
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GUARD #2: Oh, yeah, I agree with that...
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The Quest for the Holy Grail (Monty Python)
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ an exciting new programming language -- http://www.Zimbu.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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