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#include "stdlib.h"

#include "assembly_interface.h"

#include "data_structures/page_table.h"

#include "loader.h"

// naive strategy for now: keep track of highest allocated

// address, don't worry about freeing memory.

void* lowest_free_memory = &kernel_stack_lowest_address;

void* malloc(uint32_t bytes) {

void* chunk_start = lowest_free_memory;

lowest_free_memory += bytes;

if (lowest_free_memory >= current_stack_pointer()) {

interrupt_out_of_memory();

}

return chunk_start;

}

bool isdigit(char c) {

return c >= '0' && c <= '9';

}

int atoi (const char * str) {

int value = 0;

while(isdigit(*str)) {

value *= 10;

value += (*str)-'0';

str++;

}

return value;

}