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efi_strerror.c 1.2KB

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  1. /*
  2. * Copyright (C) 2008 Michael Brown <mbrown@fensystems.co.uk>.
  3. *
  4. * This program is free software; you can redistribute it and/or
  5. * modify it under the terms of the GNU General Public License as
  6. * published by the Free Software Foundation; either version 2 of the
  7. * License, or any later version.
  8. *
  9. * This program is distributed in the hope that it will be useful, but
  10. * WITHOUT ANY WARRANTY; without even the implied warranty of
  11. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  12. * General Public License for more details.
  13. *
  14. * You should have received a copy of the GNU General Public License
  15. * along with this program; if not, write to the Free Software
  16. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17. */
  18. FILE_LICENCE ( GPL2_OR_LATER );
  19. #include <stdio.h>
  20. #include <ipxe/efi/efi.h>
  21. /** @file
  22. *
  23. * iPXE error message formatting for EFI
  24. *
  25. */
  26. /**
  27. * Format EFI status code
  28. *
  29. * @v efirc EFI status code
  30. * @v efi_strerror EFI status code string
  31. */
  32. const char * efi_strerror ( EFI_STATUS efirc ) {
  33. static char errbuf[32];
  34. if ( ! efirc )
  35. return "No error";
  36. snprintf ( errbuf, sizeof ( errbuf ), "Error %lld",
  37. ( unsigned long long ) ( efirc ^ MAX_BIT ) );
  38. return errbuf;
  39. }