atom: use bump allocator

src/apk_atom.h

@@ -12,10 +12,12 @@
 
 #include "apk_hash.h"
 #include "apk_blob.h"
+#include "apk_balloc.h"
 
 extern apk_blob_t apk_atom_null;
 
 struct apk_atom_pool {
+	struct apk_balloc ba;
 	struct apk_hash hash;
 };
 

src/atom.c

@@ -26,17 +26,18 @@ static struct apk_hash_ops atom_ops = {
 	.get_key = atom_hash_get_key,
 	.hash_key = apk_blob_hash,
 	.compare = apk_blob_compare,
-	.delete_item = (apk_hash_delete_f) free,
 };
 
 void apk_atom_init(struct apk_atom_pool *atoms)
 {
+	apk_balloc_init(&atoms->ba, 64*1024);
 	apk_hash_init(&atoms->hash, &atom_ops, 10000);
 }
 
 void apk_atom_free(struct apk_atom_pool *atoms)
 {
 	apk_hash_free(&atoms->hash);
+	apk_balloc_destroy(&atoms->ba);
 }
 
 apk_blob_t *apk_atom_get(struct apk_atom_pool *atoms, apk_blob_t blob, int duplicate)
@@ -51,12 +52,12 @@ apk_blob_t *apk_atom_get(struct apk_atom_pool *atoms, apk_blob_t blob, int dupli
 
 	if (duplicate) {
 		char *ptr;
-		atom = malloc(sizeof(*atom) + blob.len);
+		atom = apk_balloc_new_extra(&atoms->ba, struct apk_atom_hashnode, blob.len);
 		ptr = (char*) (atom + 1);
 		memcpy(ptr, blob.ptr, blob.len);
 		atom->blob = APK_BLOB_PTR_LEN(ptr, blob.len);
 	} else {
-		atom = malloc(sizeof(*atom));
+		atom = apk_balloc_new(&atoms->ba, struct apk_atom_hashnode);
 		atom->blob = blob;
 	}
 	apk_hash_insert_hashed(&atoms->hash, atom, hash);