get_my_path_freebsd.c 1014 B

1234567891011121314151617181920212223242526272829303132333435
  1. /*
  2. * Copyright (C) 2009 bsdroid project
  3. * Alexey Tarasov <tarasov@dodologics.com>
  4. *
  5. * Copyright (C) 2007 The Android Open Source Project
  6. *
  7. * Licensed under the Apache License, Version 2.0 (the "License");
  8. * you may not use this file except in compliance with the License.
  9. * You may obtain a copy of the License at
  10. *
  11. * http://www.apache.org/licenses/LICENSE-2.0
  12. *
  13. * Unless required by applicable law or agreed to in writing, software
  14. * distributed under the License is distributed on an "AS IS" BASIS,
  15. * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16. * See the License for the specific language governing permissions and
  17. * limitations under the License.
  18. */
  19. #include <sys/types.h>
  20. #include <unistd.h>
  21. #include <limits.h>
  22. #include <stdio.h>
  23. void
  24. get_my_path(char *exe, size_t maxLen)
  25. {
  26. char proc[64];
  27. snprintf(proc, sizeof(proc), "/proc/%d/file", getpid());
  28. int err = readlink(proc, exe, maxLen - 1);
  29. exe[err > 0 ? err : 0] = '\0';
  30. }