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