gai_strerror.c 2.2 KB

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  1. /* Copyright (C) 1997, 2001 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. Contributed by Philip Blundell <pjb27@cam.ac.uk>, 1997.
  4. The GNU C Library is free software; you can redistribute it and/or
  5. modify it under the terms of the GNU Lesser General Public
  6. License as published by the Free Software Foundation; either
  7. version 2.1 of the License, or (at your option) any later version.
  8. The GNU C Library is distributed in the hope that it will be useful,
  9. but WITHOUT ANY WARRANTY; without even the implied warranty of
  10. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  11. Lesser General Public License for more details.
  12. You should have received a copy of the GNU Lesser General Public
  13. License along with the GNU C Library; if not, write to the Free
  14. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  15. 02111-1307 USA. */
  16. #define _GNU_SOURCE
  17. #define __FORCE_GLIBC
  18. #include <features.h>
  19. #include <stdio.h>
  20. #include <netdb.h>
  21. #define N_(x) x
  22. #define _(x) x
  23. static struct
  24. {
  25. int code;
  26. const char *msg;
  27. }
  28. values[] =
  29. {
  30. { EAI_ADDRFAMILY, N_("Address family for hostname not supported") },
  31. { EAI_AGAIN, N_("Temporary failure in name resolution") },
  32. { EAI_BADFLAGS, N_("Bad value for ai_flags") },
  33. { EAI_FAIL, N_("Non-recoverable failure in name resolution") },
  34. { EAI_FAMILY, N_("ai_family not supported") },
  35. { EAI_MEMORY, N_("Memory allocation failure") },
  36. { EAI_NODATA, N_("No address associated with hostname") },
  37. { EAI_NONAME, N_("Name or service not known") },
  38. { EAI_SERVICE, N_("Servname not supported for ai_socktype") },
  39. { EAI_SOCKTYPE, N_("ai_socktype not supported") },
  40. { EAI_SYSTEM, N_("System error") },
  41. { EAI_INPROGRESS, N_("Processing request in progress") },
  42. { EAI_CANCELED, N_("Request canceled") },
  43. { EAI_NOTCANCELED, N_("Request not canceled") },
  44. { EAI_ALLDONE, N_("All requests done") },
  45. { EAI_INTR, N_("Interrupted by a signal") }
  46. };
  47. const char *
  48. gai_strerror (int code)
  49. {
  50. size_t i;
  51. for (i = 0; i < sizeof (values) / sizeof (values[0]); ++i)
  52. if (values[i].code == code)
  53. return _(values[i].msg);
  54. return _("Unknown error");
  55. }