commit d04da7cb4afe77de05e4e08e7e86e504be6759e0
author Bram Moolenaar <Bram@vim.org> Sun Oct 14 03:41:59 2012 +0200
committer Bram Moolenaar <Bram@vim.org> Sun Oct 14 03:41:59 2012 +0200
tree ef6ab3ea578a21cf2b55a630ab6092ad7cd8656b
parent 7bc4f93c07a1e8b17e7d91f814b9801bd611d569

updated for version 7.3.689
Problem:    MzScheme and Lua may use a NULL string.
Solution:   Use an empty string instead of NULL. (Yukihiro Nakadaira)

src/if_lua.c

diff --git a/src/if_lua.c b/src/if_lua.c
index e873b6b..ce65fd2 100644
--- a/src/if_lua.c
+++ b/src/if_lua.c
@@ -464,7 +464,8 @@
     switch (tv->v_type)
     {
 	case VAR_STRING:
-	    lua_pushstring(L, (char *) tv->vval.v_string);
+	    lua_pushstring(L, tv->vval.v_string == NULL
+					    ? "" : (char *)tv->vval.v_string);
 	    break;
 	case VAR_NUMBER:
 	    lua_pushinteger(L, (int) tv->vval.v_number);