Port to CMake, get rid of os_int.h.

[stg.git] / libs / dotconfpp / mempool.h

diff --git a/libs/dotconfpp/mempool.h b/libs/dotconfpp/mempool.h
new file mode 100644 (file)
index 0000000..9975611
--- /dev/null
+++ b/libs/dotconfpp/mempool.h
@@ -0,0 +1,58 @@
+/*  Copyright (C) 2003 Aleksey Krivoshey <voodoo@foss.kharkov.ua>
+*
+*   This program is free software; you can redistribute it and/or modify
+*   it under the terms of the GNU General Public License as published by
+*   the Free Software Foundation; either version 2 of the License, or
+*   (at your option) any later version.
+*
+*   This program is distributed in the hope that it will be useful,
+*   but WITHOUT ANY WARRANTY; without even the implied warranty of
+*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*   GNU General Public License for more details.
+*
+*   You should have received a copy of the GNU General Public License
+*   along with this program; if not, write to the Free Software
+*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+
+#ifndef ASYNC_DNS_MEMPOOL_H
+#define ASYNC_DNS_MEMPOOL_H
+
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
+class AsyncDNSMemPool
+{
+private:
+    struct PoolChunk {
+        void * pool;
+        size_t pos;
+        size_t size;
+
+        PoolChunk(size_t _size);
+        ~PoolChunk();
+    };
+    PoolChunk ** chunks;
+    size_t chunksCount;
+    size_t defaultSize;
+
+    size_t poolUsage;
+    size_t poolUsageCounter;
+
+    void addNewChunk(size_t size);
+
+public:
+    AsyncDNSMemPool(size_t _defaultSize = 4096);
+    virtual ~AsyncDNSMemPool();
+
+    int initialize();
+    void free();
+    void * alloc(size_t size);
+    void * calloc(size_t size);
+    char * strdup(const char *str);
+};
+
+#endif
+