#ifndef COMMON_CC
#define COMMON_CC

#include <cstdint>
#include <cstdio>

/* typedefs for common types */

typedef uint8_t u8;
typedef uint16_t u16;
typedef uint32_t u32;
typedef uint64_t u64;

typedef int8_t i8;
typedef int16_t i16;
typedef int32_t i32;
typedef int64_t i64;

typedef uintptr_t usize;
typedef intptr_t isize;

/* slice and string handling */

template<typename T>
struct Slice {
  T* ptr;
  usize length;

  Slice() : ptr(nullptr), length(0) {}
  Slice(T* ptr, usize length) : ptr(ptr), length(length) {}

  T* operator[](usize index) {
    return ptr + index;
  }

  inline usize size() const {
    return this->length * sizeof(T);  
  }
};

template<typename T>
bool slice_write(const Slice<T>* slice, FILE* stream) {
  usize rc = fwrite(slice->ptr, sizeof(T), slice->length, stream);
  if(rc == 0 || slice->size() > rc) return false;
  return true;
} 

typedef Slice<const u8> String;

#endif