init-misc.c 1.3 KB

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  1. /* Define and initialize `__progname' et. al.
  2. Copyright (C) 1994-2019 Free Software Foundation, Inc.
  3. This file is part of the GNU C Library.
  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, see
  14. <http://www.gnu.org/licenses/>. */
  15. #include <string.h>
  16. #include <libc-internal.h>
  17. char *__progname_full = (char *) "";
  18. char *__progname = (char *) "";
  19. weak_alias (__progname_full, program_invocation_name)
  20. weak_alias (__progname, program_invocation_short_name)
  21. void
  22. __init_misc (int argc, char **argv, char **envp)
  23. {
  24. if (argv && argv[0])
  25. {
  26. char *p = strrchr (argv[0], '/');
  27. if (p == NULL)
  28. __progname = argv[0];
  29. else
  30. __progname = p + 1;
  31. __progname_full = argv[0];
  32. }
  33. }