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  1. /*
  2. * compat - Incenp.org Notch Library: header for missing functions
  3. * Copyright (C) 2011 Damien Goutte-Gattat
  4. *
  5. * This program is free software: you can redistribute it and/or modify
  6. * it under the terms of the GNU General Public License as published by
  7. * the Free Software Foundation, either version 3 of the License, or
  8. * (at your option) any later version.
  9. *
  10. * This program is distributed in the hope that it will be useful,
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13. * GNU General Public License for more details.
  14. *
  15. * You should have received a copy of the GNU General Public License
  16. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17. */
  18. #ifndef ICP20110203_COMPAT_H
  19. #define ICP20110203_COMPAT_H
  20. #ifdef __cpluscplus
  21. extern "C" {
  22. #endif
  23. #if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
  24. /*
  25. * The GNU C library, combined with the GNU linker, automatically
  26. * stores the program name into the global variable
  27. * `program_invocation_short_name'. So `setprogname()' can be defined
  28. * to nothing and `getprogname()' can be aliased to that variable.
  29. */
  30. #include <errno.h>
  31. #define setprogname(a)
  32. #define getprogname() program_invocation_short_name
  33. #else
  34. /*
  35. * If the above-mentioned variable is not available, check for the
  36. * BSD functions `getprogname()' and `setprogname()', and provide our
  37. * own implementation if they are missing.
  38. */
  39. #ifdef HAVE_SETPROGNAME
  40. void
  41. setprogname(const char *);
  42. #endif
  43. #ifndef HAVE_GETPROGNAME
  44. const char *
  45. setprogname(void);
  46. #endif
  47. #endif /* ! HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME */
  48. #ifdef __cplusplus
  49. }
  50. #endif
  51. #endif /* !ICP20110203_COMPAT_H */