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Diffstat (limited to 'engines/sci/engine/heap.h')
-rw-r--r-- | engines/sci/engine/heap.h | 115 |
1 files changed, 0 insertions, 115 deletions
diff --git a/engines/sci/engine/heap.h b/engines/sci/engine/heap.h deleted file mode 100644 index f826c6e8a1..0000000000 --- a/engines/sci/engine/heap.h +++ /dev/null @@ -1,115 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#ifndef SCI_ENGINE_HEAP_H -#define SCI_ENGINE_HEAP_H - -#include "sci/tools.h" - -namespace Sci { - -#define SCI_HEAP_SIZE 0x10000 - -typedef uint16 heap_ptr; - -struct heap_t { - byte *start; - byte *base; - unsigned int first_free; - int old_ff; -}; - -heap_t *heap_new(); -/* Allocates a new heap. -** Parameters: (void) -** Returns : (heap_t *) A new 0xffff-sized heap -*/ - -void heap_del(heap_t *h); -/* Frees an allocated heap -** Parameters: (heap_t *) h: The heap to unallocate -** Returns : (void) -*/ - -int heap_meminfo(heap_t *h); -/* Returns the total number of free bytes on the heap -** Parameters: (heap_t *) h: The heap to check -** Returns : (int) The total free space in bytes -*/ - -int heap_largest(heap_t *h); -/* Returns the block size of the largest free block on the heap -** Parameters: (heap_t *) h: The heap to check -** Returns : (int) The size of the largest free block -*/ - -heap_ptr heap_allocate(heap_t *h, int size); -/* Allocates memory on a heap. -** Parameters: (heap_t *) h: The heap to work with -** (int) size: The block size to allocate -** Returns : (heap_ptr): The heap pointer to the new block, or 0 on failure -*/ - -void heap_free(heap_t *h, unsigned int m); -/* Frees allocated heap memory. -** Parameters: (heap_t *) h: The heap to work with -** (int) m: The handle at which memory is to be unallocated -** Returns : (void) -** This function automatically prevents fragmentation from happening. -*/ - -void save_ff(heap_t *h); -/* Stores the current first free position -** Parameters: (heap_t *) h: The heap which is to be manipulated -** Returns : (void) -** This function can be used to save the heap state for later restoration (see -** the next function) -*/ - -void restore_ff(heap_t *h); -/* Restores the first free heap state -** Parameters: (heap_t *) h: The heap to restore -** Returns : (void) -** Restoring the first free state will reset the heap to the position stored -** when save_ff() was called, if and only if none of the blocks allocated before -** save_ff() was called was ever freed ("ever" includes "before save_ff() was -** called"). -*/ - -void heap_dump_free(heap_t *h); -/* Dumps debugging information about the stack -** Parameters: (heap_t *) h: The heap to check -** Returns : (void) -*/ - -void heap_dump_all(heap_t *h); -/* Dumps all allocated/unallocated zones on the heap -** Parameters: (heap_t *) h: The heap to check -** Returns : (void) -*/ - -} // End of namespace Sci - -#endif // SCI_ENGINE_HEAP_H |