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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. #ifndef HAVE_ASPRINTF
  24. #include <stdarg.h>
  25. int
  26. asprintf(char **, const char *, ...);
  27. int
  28. vasprintf(char **, const char *, va_list);
  29. #endif /* ! HAVE_ASPRINTF */
  30. #if HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME
  31. /*
  32. * The GNU C library, combined with the GNU linker, automatically
  33. * stores the program name into the global variable
  34. * `program_invocation_short_name'. So `setprogname()' can be defined
  35. * to nothing and `getprogname()' can be aliased to that variable.
  36. */
  37. #include <errno.h>
  38. #define setprogname(a)
  39. #define getprogname() program_invocation_short_name
  40. #else
  41. /*
  42. * If the above-mentioned variable is not available, check for the
  43. * BSD functions `getprogname()' and `setprogname()', and provide our
  44. * own implementation if they are missing.
  45. */
  46. #ifdef HAVE_SETPROGNAME
  47. void
  48. setprogname(const char *);
  49. #endif
  50. #ifndef HAVE_GETPROGNAME
  51. const char *
  52. setprogname(void);
  53. #endif
  54. #endif /* ! HAVE_DECL_PROGRAM_INVOCATION_SHORT_NAME */
  55. #ifdef __cplusplus
  56. }
  57. #endif
  58. #endif /* !ICP20110203_COMPAT_H */