1 files changed, 4 insertions, 3 deletions
diff --git a/sb.c b/sb.c
index 06ee8d9..e1cbd63 100644
--- a/sb.c
+++ b/sb.c
@@ -55,11 +55,12 @@ void insstr(sb* buf, char* str){
     buf->loc += rem;
 }
 
-sbnode* freenodenext(sbnode* node){
+static sbnode* freenext(sbnode* node){
     sbnode* out = node->next;
     free(node->str);
     free(node);
-    return out;
+    if (node != out) return out;
+    else return node;
 }
 
 char* decompose(sb* buf){
@@ -77,7 +78,7 @@ char* decompose(sb* buf){
     // and its iterator
     char* pos = str;
     // for every node,
-    for (sbnode* cur = buf->head; cur != NULL; cur = freenodenext(cur)){
+    for (sbnode* cur = buf->head; cur != NULL; cur = freenext(cur)){
         size_t slen = strlen(cur->str);
         memcpy(pos, cur->str, slen); // copy
         pos += slen;