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-rw-r--r--lib/libmicrohttpd/src/daemon/memorypool.h97
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diff --git a/lib/libmicrohttpd/src/daemon/memorypool.h b/lib/libmicrohttpd/src/daemon/memorypool.h
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-/*
- This file is part of libmicrohttpd
- (C) 2007, 2009 Daniel Pittman and Christian Grothoff
-
- This library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- This library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with this library; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
-*/
-
-/**
- * @file memorypool.h
- * @brief memory pool; mostly used for efficient (de)allocation
- * for each connection and bounding memory use for each
- * request
- * @author Christian Grothoff
- */
-
-#ifndef MEMORYPOOL_H
-#define MEMORYPOOL_H
-
-#include "internal.h"
-
-/**
- * Opaque handle for a memory pool.
- * Pools are not reentrant and must not be used
- * by multiple threads.
- */
-struct MemoryPool;
-
-/**
- * Create a memory pool.
- *
- * @param max maximum size of the pool
- */
-struct MemoryPool *MHD_pool_create (size_t max);
-
-/**
- * Destroy a memory pool.
- */
-void MHD_pool_destroy (struct MemoryPool *pool);
-
-/**
- * Allocate size bytes from the pool.
- *
- * @param from_end allocate from end of pool (set to MHD_YES);
- * use this for small, persistent allocations that
- * will never be reallocated
- * @return NULL if the pool cannot support size more
- * bytes
- */
-void *MHD_pool_allocate (struct MemoryPool *pool,
- size_t size, int from_end);
-
-/**
- * Reallocate a block of memory obtained from the pool.
- * This is particularly efficient when growing or
- * shrinking the block that was last (re)allocated.
- * If the given block is not the most recenlty
- * (re)allocated block, the memory of the previous
- * allocation may be leaked until the pool is
- * destroyed (and copying the data maybe required).
- *
- * @param old the existing block
- * @param old_size the size of the existing block
- * @param new_size the new size of the block
- * @return new address of the block, or
- * NULL if the pool cannot support new_size
- * bytes (old continues to be valid for old_size)
- */
-void *MHD_pool_reallocate (struct MemoryPool *pool,
- void *old,
- size_t old_size,
- size_t new_size);
-
-/**
- * Clear all entries from the memory pool except
- * for "keep" of the given "size".
- *
- * @param keep pointer to the entry to keep (maybe NULL)
- * @param size how many bytes need to be kept at this address
- * @return addr new address of "keep" (if it had to change)
- */
-void *MHD_pool_reset (struct MemoryPool *pool,
- void *keep,
- size_t size);
-
-#endif