mirror of
https://github.com/libyal/libexe
synced 2026-06-08 15:29:55 +00:00
Joachim Metz
130 lines
3.2 KiB
C
130 lines
3.2 KiB
C
/*
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* Memory functions
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*
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* Copyright (C) 2011-2026, Joachim Metz <joachim.metz@gmail.com>
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*
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* Refer to AUTHORS for acknowledgements.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#if !defined( _MEMORY_H )
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#define _MEMORY_H
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#include "common.h"
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#if defined( HAVE_GLIB_H )
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#include <glib.h>
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#endif
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#if defined( HAVE_STDLIB_H ) || defined( WINAPI )
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#include <stdlib.h>
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#endif
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#if defined( HAVE_STRING_H ) || defined( WINAPI )
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#include <string.h>
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#endif
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#if defined( __cplusplus )
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extern "C" {
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#endif
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/* Note that 128 MiB is an arbitrary selected upper limit here
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*/
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#define MEMORY_MAXIMUM_ALLOCATION_SIZE \
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( 128 * 1024 * 1024 )
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/* Memory allocation
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*/
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#if defined( HAVE_GLIB_H )
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#define memory_allocate( size ) \
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g_malloc( (gsize) size )
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#elif defined( WINAPI )
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#define memory_allocate( size ) \
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HeapAlloc( GetProcessHeap(), 0, (SIZE_T) size )
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#elif defined( HAVE_MALLOC )
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#define memory_allocate( size ) \
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malloc( size )
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#endif
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#define memory_allocate_structure( type ) \
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(type *) memory_allocate( sizeof( type ) )
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#define memory_allocate_structure_as_value( type ) \
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(intptr_t *) memory_allocate( sizeof( type ) )
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/* Memory reallocation
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*/
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#if defined( HAVE_GLIB_H )
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#define memory_reallocate( buffer, size ) \
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g_realloc( (gpointer) buffer, (gsize) size )
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#elif defined( WINAPI )
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/* HeapReAlloc does not allocate empty (NULL) buffers as realloc does
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*/
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#define memory_reallocate( buffer, size ) \
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( buffer == NULL ) ? \
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HeapAlloc( GetProcessHeap(), 0, (SIZE_T) size ) : \
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HeapReAlloc( GetProcessHeap(), 0, (LPVOID) buffer, (SIZE_T) size )
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#elif defined( HAVE_REALLOC )
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#define memory_reallocate( buffer, size ) \
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realloc( (void *) buffer, size )
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#endif
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/* Memory free
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*/
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#if defined( HAVE_GLIB_H )
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#define memory_free( buffer ) \
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g_free( (gpointer) buffer )
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#elif defined( WINAPI )
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#define memory_free( buffer ) \
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( buffer == NULL ) ? TRUE : HeapFree( GetProcessHeap(), 0, (LPVOID) buffer )
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#elif defined( HAVE_FREE )
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#define memory_free( buffer ) \
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free( (void *) buffer )
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#endif
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/* Memory compare
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*/
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#if defined( HAVE_MEMCMP ) || defined( WINAPI )
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#define memory_compare( buffer1, buffer2, size ) \
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memcmp( (const void *) buffer1, (const void *) buffer2, size )
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#endif
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/* Memory copy
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*/
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#if defined( HAVE_MEMCPY ) || defined( WINAPI )
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#define memory_copy( destination, source, count ) \
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memcpy( (void *) destination, (void *) source, count )
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#endif
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/* Memory set
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*/
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#if defined( HAVE_MEMSET ) || defined( WINAPI )
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#define memory_set( buffer, value, count ) \
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memset( (void *) buffer, (int) value, count )
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#endif
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#if defined( __cplusplus )
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}
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#endif
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#endif /* !defined( _MEMORY_H ) */
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