#include "project.h"

void entry_write(DISK *d,GPT_header *h,int n,GPT_entry *e)
{
uint8_t buf[SECTOR_SIZE];
uint64_t lba=GPT_ENTRY_LBA (h, n);

disk_read (d, buf, lba,1);
memcpy(&buf[GPT_ENTRY_OFFSET(h,n)],e,sizeof(*e));
disk_write (d, buf, lba, 1);
}

GPT_entry entry_read(DISK *d,GPT_header *h,int n)
{
uint8_t buf[SECTOR_SIZE];
GPT_entry e;

disk_read (d, buf, GPT_ENTRY_LBA (h, n), 1);
memcpy(&e,&buf[GPT_ENTRY_OFFSET(h,n)],sizeof(e));
return e;
}


int entry_empty(GPT_entry *e) {
GUID empty=GUID_TYPE_EMPTY;
return  !guid_cmp(&e->type,&empty);
}

void entry_show(GPT_entry *e)
{
char name[sizeof(e->name)+1];

utf16_to_ascii(e->name,sizeof(e->name),name,sizeof(name));


printf("        Name %s\n",name);
printf("        Flags %16x         Label %s\n",(int) e->flags,guid_to_a(e->label));
printf("        Start %10lld End %10lld Type %s\n",(long long) e->start,(long long) e->end,guid_to_a(e->type));

}