mirror of
https://github.com/libretro/scummvm.git
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81 lines
2.8 KiB
C++
81 lines
2.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* $URL$
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* $Id$
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*
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*/
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// This header file defines a portable library for allocating memory safely.
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#ifndef SCI_SCI_MEMORY_H
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#define SCI_SCI_MEMORY_H
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#include "common/scummsys.h"
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namespace Sci {
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/********** memory allocation routines **********/
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extern void *sci_malloc(size_t size);
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/* Allocates the specified amount of memory.
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** Parameters: (size_t) size: Number of bytes to allocate
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** Returns : (void *) A pointer to the allocated memory chunk
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** To free this string, use the free() command.
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** If the call fails, behaviour is dependent on the definition of SCI_ALLOC.
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*/
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extern void *sci_calloc(size_t num, size_t size);
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/* Allocates num * size bytes of zeroed-out memory.
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** Parameters: (size_t) num: Number of elements to allocate
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** (size_t) size: Amount of memory per element to allocate
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** Returns : (void *) A pointer to the allocated memory chunk
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** To free this string, use the free() command.
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** See _SCI_MALLOC() for more information if call fails.
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*/
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extern void *sci_realloc(void *ptr, size_t size);
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/* Increases the size of an allocated memory chunk.
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** Parameters: (void *) ptr: The original pointer
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** (size_t) size: New size of the memory chunk
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** Returns : (void *) A possibly new pointer, containing 'size'
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** bytes of memory and everything contained in the original 'ptr'
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** (possibly minus some trailing data if the new memory area is
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** smaller than the old one).
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** To free this string, use the free() command.
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** See _SCI_MALLOC() for more information if call fails.
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*/
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extern char *sci_strdup(const char *src);
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/* Duplicates a string.
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** Parameters: (const char *) src: The original pointer
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** Returns : (char *) a pointer to the storage location for the copied
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** string.
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** To free this string, use the free() command.
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** See _SCI_MALLOC() for more information if call fails.
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*/
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} // End of namespace Sci
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#endif // SCI_SCI_MEMORY_H
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