iftop

1 files changed, 39 insertions, 0 deletions

diff --git a/hash.h b/hash.h
new file mode 100644
index 0000000..b8f0d7b
--- /dev/null
+++ b/hash.h
@@ -0,0 +1,39 @@
+/*
+ * addr_hash.h:
+ *
+ */
+
+#ifndef __HASH_H_ /* include guard */
+#define __HASH_H_
+
+/* implementation independent declarations */
+typedef enum {
+    HASH_STATUS_OK,
+    HASH_STATUS_MEM_EXHAUSTED,
+    HASH_STATUS_KEY_NOT_FOUND
+} hash_status_enum;
+
+typedef struct node_tag {
+    struct node_tag *next;       /* next node */
+    void* key;                /* key */
+    void* rec;                /* user data */
+} hash_node_type;
+
+typedef struct {
+    int (*compare) (void*, void*);
+    int (*hash) (void*);
+    void* (*copy_key) (void*);
+    void (*delete_key) (void*);
+    hash_node_type** table;
+    int size;
+} hash_type;
+
+
+hash_status_enum hash_initialise(hash_type*);
+hash_status_enum hash_destroy(hash_type*);
+hash_status_enum hash_insert(hash_type*, void* key, void *rec);
+hash_status_enum hash_delete(hash_type* hash_table, void* key);
+hash_status_enum hash_find(hash_type* hash_table, void* key, void** rec);
+hash_status_enum hash_next_item(hash_type* hash_table, hash_node_type** ppnode);
+
+#endif /* __HASH_H_ */