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26 lines
704 B
C
26 lines
704 B
C
#include "FreeRTOSConfig.h"
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#include <stdlib.h>
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static long brk_siz = 0;
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/* #if configTOTAL_HEAP_SIZE != 0 */
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typedef int _heep_t;
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#define ROUNDUP( s ) ( ( ( s ) + sizeof( _heep_t ) - 1 ) & ~( sizeof( _heep_t ) - 1 ) )
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static _heep_t _heep[ ROUNDUP( configTOTAL_HEAP_SIZE ) / sizeof( _heep_t ) ];
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#define _heep_size ROUNDUP( configTOTAL_HEAP_SIZE )
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/* #else
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* extern char *_heep;
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* extern long _heep_size;
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#endif
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*/
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extern char * sbrk( int size )
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{
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if( ( brk_siz + size > _heep_size ) || ( brk_siz + size < 0 ) )
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{
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return( ( char * ) -1 );
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}
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brk_siz += size;
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return( ( char * ) _heep + brk_siz - size );
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}
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