newlib/libgloss/xc16x/sbrk.c

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/*
* Copyright (C) 2006 KPIT Cummins
* Copyright (C) 2009 Conny Marco Menebröcker
* All rights reserved.
*
* Redistribution and use in source and binary forms is permitted
* provided that the above copyright notice and following paragraph are
* duplicated in all such forms.
*
* This file is distributed WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <_ansi.h>
#include <sys/types.h>
#include <sys/stat.h>
char *stack_ptr ;
caddr_t
_sbrk(incr)
int incr;
{
extern char end; /* Defined by the linker */
static char *heap_end=&end;
char *prev_heap_end;
prev_heap_end = heap_end;
heap_end += incr;
return (caddr_t)prev_heap_end;
}