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diff src/regexp_nfa.c @ 5820:4901a36479f2 v7.4.253

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updated for version 7.4.253 Problem: Crash when using cpp syntax file with pattern using external match. (Havard Garnes) Solution: Discard match when end column is before start column.
author Bram Moolenaar <bram@vim.org>
date Sun, 06 Apr 2014 21:34:04 +0200
parents 50dbef5e774a
children 0ea551fa607d
line wrap: on
line diff
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -6781,8 +6781,10 @@ nfa_regtry(prog, col)
 	    {
 		struct multipos *mpos = &subs.synt.list.multi[i];
 
-		/* Only accept single line matches. */
-		if (mpos->start.lnum >= 0 && mpos->start.lnum == mpos->end.lnum)
+		/* Only accept single line matches that are valid. */
+		if (mpos->start.lnum >= 0
+			&& mpos->start.lnum == mpos->end.lnum
+			&& mpos->end.col >= mpos->start.col)
 		    re_extmatch_out->matches[i] =
 			vim_strnsave(reg_getline(mpos->start.lnum)
 							    + mpos->start.col,