sbrk.c File Reference

#include <kernel.h>

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Functions
void *	ps2_sbrk (size_t increment)

Variables
void *	_end

Detailed Description

EE kernel sbrk function Primary function to malloc - reserved

Definition in file sbrk.c.

Function Documentation

ps2_sbrk()

void* ps2_sbrk

(

size_t

increment

)

Definition at line 22 of file sbrk.c.

{
        static void * _heap_ptr = &_end;
        void *mp, *ret = (void *)-1;
 
        if (increment == 0)
                return _heap_ptr;
 
        /* If the area we want to allocated is past the end of our heap, we have a problem. */
        mp = _heap_ptr + increment;
        if (mp <= EndOfHeap()) {
                ret = _heap_ptr;
                _heap_ptr = mp;
        }
 
        return ret;
}

References _end, and EndOfHeap().

Referenced by _sbrk().

Variable Documentation

_end

void* _end

extern

Referenced by ps2_sbrk().