Function Extract

BaseTools/Source/C/Common/Decompress.c:944–1012

}

EFI_STATUS
Extract (
  IN      VOID    *Source,
  IN      UINT32  SrcSize,
     OUT  VOID    **Destination,
     OUT  UINT32  *DstSize,
  IN      UINTN   Algorithm
  )
{
  VOID          *Scratch;
  UINT32        ScratchSize;
  EFI_STATUS    Status;

  Scratch = NULL;
  Status  = EFI_SUCCESS;

  switch (Algorithm) {
  case 0:
    *Destination = (VOID *)malloc(SrcSize);
    if (*Destination != NULL) {
      memcpy(*Destination, Source, SrcSize);
    } else {
      Status = EFI_OUT_OF_RESOURCES;
    }
    break;
  case 1:
    Status = EfiGetInfo(Source, SrcSize, DstSize, &ScratchSize);
    if (Status == EFI_SUCCESS) {
      Scratch = (VOID *)malloc(ScratchSize);
      if (Scratch == NULL) {
        return EFI_OUT_OF_RESOURCES;
      }

      *Destination = (VOID *)malloc(*DstSize);
      if (*Destination == NULL) {
        free (Scratch);
        return EFI_OUT_OF_RESOURCES;
      }

      Status = EfiDecompress(Source, SrcSize, *Destination, *DstSize, Scratch, ScratchSize);
    }
    break;
  case 2:
    Status = TianoGetInfo(Source, SrcSize, DstSize, &ScratchSize);
    if (Status == EFI_SUCCESS) {
      Scratch = (VOID *)malloc(ScratchSize);
      if (Scratch == NULL) {
        return EFI_OUT_OF_RESOURCES;
      }

      *Destination = (VOID *)malloc(*DstSize);
      if (*Destination == NULL) {
        free (Scratch);
        return EFI_OUT_OF_RESOURCES;
      }

      Status = TianoDecompress(Source, SrcSize, *Destination, *DstSize, Scratch, ScratchSize);
    }