Function FindMemMask

rEFIt_UEFI/Platform/kext_patcher.cpp:174–186

UINTN FindSection(const UINT8 *Source, UINTN len, const UINT8* seg, const UINT8* sec) { BOOLEAN eq; for (UINTN i = 0x20; i < len; i++) { eq = TRUE; for (UINTN j = 0; j < 16 && (sec[j] != 0); j++) { if (Source[i + j] != sec[j]) { eq = FALSE; break; } } if (eq) { for (UINTN j = 0; j < 16 && (seg[j] != 0); j++) { if (Source[i + 0x10 + j

}
*/
UINTN FindMemMask(const UINT8 *Source, UINTN SourceSize, const UINT8 *Search, UINTN SearchSize, const UINT8 *MaskSearch, UINTN MaskSize)
{
  if (!Source || !Search || !SearchSize) {
    return KERNEL_MAX_SIZE;
  }

  for (UINTN i = 0; i < SourceSize - SearchSize; ++i) {
    if (CompareMemMask(&Source[i], Search, SearchSize, MaskSearch, MaskSize)) {
      return i;
    }
  }
  return KERNEL_MAX_SIZE;
}

UINTN SearchAndReplaceMask(UINT8 *Source, UINT64 SourceSize, const UINT8 *Search, const UINT8 *MaskSearch, UINTN SearchSize,
                       const UINT8 *Replace, const UINT8 *MaskReplace, INTN MaxReplaces)