diff src/regexp_nfa.c @ 11896:a941848d8c44 v8.0.0828

patch 8.0.0828: Coverity: may dereference NULL pointer commit https://github.com/vim/vim/commit/983b3a5bc44a91cc7e40b8e71e3bfdb03dd4606f Author: Bram Moolenaar <Bram@vim.org> Date: Tue Aug 1 15:14:26 2017 +0200 patch 8.0.0828: Coverity: may dereference NULL pointer Problem: Coverity: may dereference NULL pointer. Solution: Bail out if calloc_state() returns NULL.
author Christian Brabandt <cb@256bit.org>
date Tue, 01 Aug 2017 15:15:05 +0200
parents 14b6b79d685b
children e769c912fcd9
line wrap: on
line diff
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -3527,7 +3527,11 @@ post2nfa(int *postfix, int *end, int nfa
 	    {
 		/* NFA_ZEND -> NFA_END_PATTERN -> NFA_SKIP -> what follows. */
 		skip = alloc_state(NFA_SKIP, NULL, NULL);
+		if (skip == NULL)
+		    goto theend;
 		zend = alloc_state(NFA_ZEND, s1, NULL);
+		if (zend == NULL)
+		    goto theend;
 		s1->out= skip;
 		patch(e.out, zend);
 		PUSH(frag(s, list1(&skip->out)));