1 files changed, 23 insertions, 3 deletions
diff --git a/src/hash.h b/src/hash.h
index 7713885..ae86b26 100644
--- a/src/hash.h
+++ b/src/hash.h
@@ -1,9 +1,9 @@
 #include <stddef.h>
-#include <stdlib.h>
 
-/* simple, generic hash map implementation */
+/* simple, generic chained hash map implementation */
 
-unsigned hash_djb(const char*);
+unsigned hash_djb(const void*);
+int compare_strings(const void*, const void*);
 
 void *hash_init(size_t tabsz, unsigned (*hash_fn)(const void*),
                 int (*compare_key)(const void*, const void*));
@@ -16,3 +16,23 @@ void *hash_insert(void*, const void *key, const void *data);
 
 /* returns NULL if not found */
 void *hash_lookup(void*, const void *key);
+
+struct hash_pair {
+    void *key;
+    unsigned char value[0];
+};
+
+/* insert n key->pair members of size pairsize */
+void hash_insert_pairs(void*, const struct hash_pair*, size_t pairsize, size_t n);
+
+#define SIMP_HASH(TYPE, NAME)       \
+    unsigned NAME (const void *key) \
+    {                               \
+        return *((TYPE*)key);        \
+    }
+
+#define SIMP_EQUAL(TYPE, NAME)                                          \
+    int NAME (const void *a, const void *b)                             \
+    {                                                                   \
+        return !(*((TYPE*)a) == *((TYPE*)b));                           \
+    }