diff -ur libplist-1.7/libcnary/node.c libplist-1.7/libcnary/node.c
--- libplist-1.7/libcnary/node.c	2011-09-26 03:12:45.000000000 -1000
+++ libplist-1.7/libcnary/node.c	2011-10-11 21:28:31.000000000 -1000
@@ -104,7 +104,7 @@
 
 int node_insert(node_t* parent, unsigned int index, node_t* child)
 {
-	if (!parent || !child) return;
+	if (!parent || !child) return -1;
 	child->isLeaf = TRUE;
 	child->isRoot = FALSE;
 	child->parent = parent;
diff -ur libplist-1.7/src/base64.c libplist-1.7/src/base64.c
--- libplist-1.7/src/base64.c	2011-09-26 03:12:45.000000000 -1000
+++ libplist-1.7/src/base64.c	2011-10-11 21:27:36.000000000 -1000
@@ -104,9 +104,9 @@
 
 unsigned char *base64decode(const char *buf, size_t *size)
 {
-	if (!buf) return;
+	if (!buf) return NULL;
 	size_t len = strlen(buf);
-	if (len <= 0) return;
+	if (len <= 0) return NULL;
 	unsigned char *outbuf = (unsigned char*)malloc((len/4)*3+3);
 
 	unsigned char *line;