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Alfred Gedeon 2020-07-01 22:27:40 -07:00 • committed by alfred gedeon
parent a5dbc2b1de
commit 718178c68a
406 changed files with 108795 additions and 106323 deletions
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36
portable/Softune/MB96340/__STD_LIB_sbrk.c
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@ -2,27 +2,29 @@
/* MICROELECTRONICS ACCEPTS NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR */
/* ELIGIBILITY FOR ANY PURPOSES. */
/* (C) Fujitsu Microelectronics Europe GmbH */
/*---------------------------------------------------------------------------
__STD_LIB_sbrk.C
- Used by heap_3.c for memory accocation and deletion.
/*---------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------
* __STD_LIB_sbrk.C
* - Used by heap_3.c for memory accocation and deletion.
*
* /*---------------------------------------------------------------------------*/
#include "FreeRTOSConfig.h"
#include <stdlib.h>
static long brk_siz = 0;
typedef int _heep_t;
#define ROUNDUP(s) (((s)+sizeof(_heep_t)-1)&~(sizeof(_heep_t)-1))
static _heep_t _heep[ROUNDUP(configTOTAL_HEAP_SIZE)/sizeof(_heep_t)];
#define _heep_size ROUNDUP(configTOTAL_HEAP_SIZE)
static long brk_siz = 0;
typedef int _heep_t;
#define ROUNDUP( s ) ( ( ( s ) + sizeof( _heep_t ) - 1 ) & ~( sizeof( _heep_t ) - 1 ) )
static _heep_t _heep[ ROUNDUP( configTOTAL_HEAP_SIZE ) / sizeof( _heep_t ) ];
#define _heep_size ROUNDUP( configTOTAL_HEAP_SIZE )
extern char *sbrk(int size)
{
if (brk_siz + size > _heep_size || brk_siz + size < 0)
return((char*)-1);
brk_siz += size;
return( (char*)_heep + brk_siz - size);
}
extern char * sbrk( int size )
{
if( ( brk_siz + size > _heep_size ) || ( brk_siz + size < 0 ) )
{
return( ( char * ) -1 );
}
brk_siz += size;
return( ( char * ) _heep + brk_siz - size );
}