#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
void *point;
void *memory_alloc(unsigned int size)
{
//printf("malloc...\n");
void *ptr;
ptr=point;
unsigned int i=0, memsiz;
while(i!=size)
{
memsiz=ptr+i;
if(memsiz==NULL)
{
i++;
}
else
{
memsiz=ptr+i;
i++;
}
//printf("%p\n", memsiz);
}
//printf("malloc end...\n");
return ptr;
}
void memory_free(void *ptr)
{
//printf("freeing mem...\n");
unsigned int i,memsiz;
if(point!=ptr)
{
printf("Invalid pointer!");
return 1;
}
unsigned int size=sizeof(ptr);
for(i=0;i<=size;i++)
{
memsiz=ptr+i;
memsiz=NULL;
}
//printf("freemem end...\n");
}
void memory_init(void *ptr, unsigned int size)
{
//printf("meminit...\n");
unsigned int i;
point=ptr;
for(i=0;i<=size;i++)
{
ptr=ptr+i;
ptr=NULL;
}
//printf("meminit end...\n");
}
int main()
{
char region[50];
memory_init(region, 50);
char* pointer = (char*) memory_alloc(10);
if (pointer)
memset(pointer, 0, 10);
if (pointer)
memory_free(pointer);
return 0;
}
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