commit d23a823669d93fb2a570a039173eefe4856ac806
author Bram Moolenaar <Bram@vim.org> Sat Feb 10 18:45:26 2018 +0100
committer Bram Moolenaar <Bram@vim.org> Sat Feb 10 18:45:26 2018 +0100
tree 617130258eae70e3bd7ef7b6da9c494ffee7b572
parent 42443c7d7fecc3a2a72154bb6139b028438617c2

patch 8.0.1496: clearing a pointer takes two lines

Problem:    Clearing a pointer takes two lines.
Solution:   Add VIM_CLEAR() and replace vim_clear(). (Hirohito Higashi,
            closes #2629)

src/regexp_nfa.c

diff --git a/src/regexp_nfa.c b/src/regexp_nfa.c
index 70003a0..90fff64 100644
--- a/src/regexp_nfa.c
+++ b/src/regexp_nfa.c
@@ -7334,14 +7334,13 @@
     nfa_regengine.expr = NULL;
 
 out:
-    vim_free(post_start);
-    post_start = post_ptr = post_end = NULL;
+    VIM_CLEAR(post_start);
+    post_ptr = post_end = NULL;
     state_ptr = NULL;
     return (regprog_T *)prog;
 
 fail:
-    vim_free(prog);
-    prog = NULL;
+    VIM_CLEAR(prog);
 #ifdef ENABLE_LOG
     nfa_postfix_dump(expr, FAIL);
 #endif