/* -------------------------------------------

  Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.

  File: BootString.cc
  Purpose: BootZ string library

  Revision History:



------------------------------------------- */

#include <BootKit/BootKit.h>
#include <BootKit/Platform.h>
#include <BootKit/Protocol.h>

/// BUGS: 0

/////////////////////////////////////////////////////////////////////////////////////////////////////////

Kernel::SizeT Boot::BCopyMem(CharacterTypeUTF16* dest, CharacterTypeUTF16* src,
                             const Kernel::SizeT len) {
  if (!dest || !src) return 0;

  SizeT index = 0UL;
  for (; index < len; ++index) {
    dest[index] = src[index];
  }

  return index;
}

Kernel::SizeT Boot::BStrLen(const CharacterTypeUTF16* ptr) {
  if (!ptr) return 0;

  Kernel::SizeT cnt = 0;

  while (*ptr != (CharacterTypeUTF16) 0) {
    ++ptr;
    ++cnt;
  }

  return cnt;
}

Kernel::SizeT Boot::BSetMem(CharacterTypeUTF16* src, const CharacterTypeUTF16 byte,
                            const Kernel::SizeT len) {
  if (!src) return 0;

  Kernel::SizeT cnt = 0UL;

  while (*src != 0) {
    if (cnt > len) break;

    *src = byte;
    ++src;

    ++cnt;
  }

  return cnt;
}

Kernel::SizeT Boot::BSetMem(CharacterTypeASCII* src, const CharacterTypeASCII byte,
                            const Kernel::SizeT len) {
  if (!src) return 0;

  Kernel::SizeT cnt = 0UL;

  while (*src != 0) {
    if (cnt > len) break;

    *src = byte;
    ++src;

    ++cnt;
  }

  return cnt;
}