#include <time.h>
#include "dlmalloc_config.h"
#include <stddef.h>

char* kernel_heap_start;
size_t kernel_heap_size;

void* more_core(ptrdiff_t increment) {
    static char* heap_end = NULL;
    static char* heap_limit = NULL;

    if (heap_end == NULL) {
        heap_end = kernel_heap_start;
        heap_limit = kernel_heap_start + kernel_heap_size;
    }

    if (increment == 0) {
        return heap_end;
    }

    if (increment > 0) {
        if (heap_end + increment > heap_limit) {
            // Not enough memory
            return (void*)-1;
        }

        char* old_heap_end = heap_end;
        heap_end += increment;
        return old_heap_end;
    }

    // If increment < 0, you need to implement memory release (optional)
    return (void*)-1;
}


time_t time(time_t *tloc) {
    // Return a dummy time or implement your own time function
    time_t current_time = 0; // Example: always return 0
    if (tloc) {
        *tloc = current_time;
    }
    return current_time;
}

// -----

long sysconf(int name) {
    if (name == 30) { // _SC_PAGESIZE
        // Return your system's page size
        return 4096; // Example page size
    }
    return -1;
}

int* __errno_location() {
    static int errno;
    return &errno;
}

#include "kernel/allocator/dlmalloc.c"