From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Thu, 6 Mar 2008 17:31:57 +0000 (+0000)
Subject: add DEBUG to list2tq
X-Git-Tag: SUDO_1_7_0~157
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=3fbd32170a92d8134e16417a9345fe0e837ee659;p=sudo

add DEBUG to list2tq
---

diff --git a/list.c b/list.c
index 695523b91..1a17a1d13 100644
--- a/list.c
+++ b/list.c
@@ -82,6 +82,12 @@ list2tq(vh, vl)
     struct list_proto *l = (struct list_proto *)vl;
 
     if (l != NULL) {
+#ifdef DEBUG
+	if (l->prev == NULL) {
+	    warningx("list2tq called with non-semicircular list");
+	    abort();
+	}
+#endif
 	h->first = l;
 	h->last = l->prev;	/* l->prev points to the last member of l */
 	l->prev = NULL;		/* zero last ptr now that we have a head */