POD File Format Derivates

All information here is to my best knowledge, is is not proven by any official reference manual by Terminal Reality.

Checksum Algorithm Compression Algorithm

Sring manipulation

namespace tr
{
using u64 = uint64_t;
using i64 = int64_t;
using s64 = signed int64_t;
using u32 = uint32_t;
using i32 = int32_t;
using c8  = char;
using u8  = uint8_t;
using i8  = int8_t;
using t32 = i32;
using t64 = i64;

namespace pod
{
namespace string
{
u32 ceil(u32 len)
{
        static const std::array<u32,12> sizes = { 4, 8, 12, 16, 32, 48, 64, 80, 96, 128, 256, 264 };
        std::array<u32,12>::const_iterator dst = sizes.begin();
        while(size > *dst) dst++;
        return *dst;
}

c8* fgets(u32 size, FILE* stream)
{
   if(size == 0)
       return nullptr;
   
   c8* dst = (c8*)calloc(ceil(size), 1);

   for(u32 i = 0; i < size; i++)
   {
       dst[i] = fgetc(stream);
       if(dst[i] == EOF)
          dst[i] = '\0';
       if(dst[i] == '\0')
          break;
   }
   if(strlen(dst) == 0)
   {
       free(dst);
       dst = nullptr;
   }
   return dst;
}

c8* ctime(const t32* time) 
{ 
        time_t t = (time_t)*time; 
        c8* dst = std::ctime(&t); 
        dst[strcspn(dst, "\n")] = '\0';
        return dst; 
}
};
namespace audit
{
enum action : u32
{
	add = 0,
	rem = 1,
	chg = 2,
};
struct entry
{
	c8  user[32];
	u32 timestamp;
	enum action action;
	c8  path[256];
	i32 old_timestamp;
	u32 old_size;
	i32 new_timestamp;
	u32 new_size;
};
};
};
};