made global objects static to clean namespace

1 files changed, 3 insertions, 3 deletions

diff --git a/buf.c b/buf.c
index 61c0470..67b7b26 100644
--- a/buf.c
+++ b/buf.c
@@ -18,7 +18,7 @@ struct buf{
     size_t pop;
 }; // a "thick" linked list (buffered for mem efficiency)
 
-buf_node* newbufnode(size_t cap){
+static buf_node* newbufnode(size_t cap){
     buf_node* bufnode = malloc(sizeof(buf_node));
     bufnode->text = malloc(sizeof(char)*cap);
     return bufnode;
@@ -42,13 +42,13 @@ size_t buflen(buf* buffer){
     return size;
 }
 
-void extendbuf(buf* buffer){
+static void extendbuf(buf* buffer){
     buffer->head->next = newbufnode(buffer->cap);
     buffer->head = buffer->head->next;
     // buffer->ins = 0 is taken care of in the function that uses this.
 }
 
-void shortenbuf(buf* buffer){
+static void shortenbuf(buf* buffer){
     buf_node* tmp = buffer->tail;
     buffer->tail = buffer->tail->next;
     free(tmp->text);