Added allocation pool code.

[rsync/rsync.git] / lib / pool_alloc.h

diff --git a/lib/pool_alloc.h b/lib/pool_alloc.h
new file mode 100644 (file)
index 0000000..a4ab761
--- /dev/null
+++ b/lib/pool_alloc.h
@@ -0,0 +1,20 @@
+#include <stddef.h>
+
+#define POOL_CLEAR     (1<<0)          /* zero fill allocations        */
+#define POOL_QALIGN    (1<<1)          /* align data to quanta         */
+#define POOL_INTERN    (1<<2)          /* Allocate extent structures   */
+#define POOL_APPEND    (1<<3)          /*   or appended to extent data */
+
+typedef void *alloc_pool_t;
+
+alloc_pool_t pool_create(size_t size, size_t quantum, void (*bomb)(char *), int flags);
+void pool_destroy(alloc_pool_t pool);
+void *pool_alloc(alloc_pool_t pool, size_t size, char *bomb);
+void pool_free(alloc_pool_t pool, size_t size, void *addr);
+
+#define pool_talloc(pool, type, count, bomb) \
+       ((type *)pool_alloc(pool, sizeof(type) * count, bomb))
+
+#define pool_tfree(pool, type, count, addr) \
+       (pool_free(pool, sizeof(type) * count, addr))
+