EFI_STATUS
FileDelete (
IN EFI_FILE *File
)
{
SEMIHOST_FCB *Fcb = NULL;
EFI_STATUS Status;
CHAR8 *FileName;
UINTN NameSize;
Fcb = SEMIHOST_FCB_FROM_THIS(File);
if (!Fcb->IsRoot) {
// Get the filename from the Fcb
NameSize = AsciiStrLen (Fcb->FileName);
FileName = AllocatePool (NameSize + 1);
AsciiStrCpy (FileName, Fcb->FileName);
// Close the file if it's open. Disregard return status,
// since it might give an error if the file isn't open.
File->Close (File);
// Call the semihost interface to delete the file.
Status = SemihostFileRemove (FileName);
} else {
Status = EFI_UNSUPPORTED;
}
return Status;
}
/**
Close and delete a file.
@param[in] This A pointer to the EFI_FILE_PROTOCOL instance that is the file
handle to delete.
@retval EFI_SUCCESS The file was closed and deleted.
@retval EFI_WARN_DELETE_FAILURE The handle was closed, but the file was not deleted.
@retval EFI_INVALID_PARAMETER The parameter "This" is NULL.
**/
EFI_STATUS
FileDelete (
IN EFI_FILE *This
)
{
SEMIHOST_FCB *Fcb;
RETURN_STATUS Return;
CHAR8 *FileName;
UINTN NameSize;
if (This == NULL) {
return EFI_INVALID_PARAMETER;
}
Fcb = SEMIHOST_FCB_FROM_THIS (This);
if (!Fcb->IsRoot) {
// Get the filename from the Fcb
NameSize = AsciiStrLen (Fcb->FileName);
FileName = AllocatePool (NameSize + 1);
AsciiStrCpy (FileName, Fcb->FileName);
// Close the file if it's open. Disregard return status,
// since it might give an error if the file isn't open.
This->Close (This);
// Call the semihost interface to delete the file.
Return = SemihostFileRemove (FileName);
if (RETURN_ERROR (Return)) {
return EFI_WARN_DELETE_FAILURE;
}
return EFI_SUCCESS;
} else {
return EFI_WARN_DELETE_FAILURE;
}
}
