mknod.c 772 B

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  1. /* vi: set sw=4 ts=4: */
  2. /*
  3. * mknod() for uClibc
  4. *
  5. * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
  6. *
  7. * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  8. */
  9. #include <sys/syscall.h>
  10. #include <sys/stat.h>
  11. #if defined __NR_mknodat && !defined __NR_mknod
  12. # include <fcntl.h>
  13. int mknod(const char *path, mode_t mode, dev_t dev)
  14. {
  15. return mknodat(AT_FDCWD, path, mode, dev);
  16. }
  17. #else
  18. int mknod(const char *path, mode_t mode, dev_t dev)
  19. {
  20. unsigned long long int k_dev;
  21. /* We must convert the value to dev_t type used by the kernel. */
  22. k_dev = (dev) & ((1ULL << 32) - 1);
  23. if (k_dev != dev) {
  24. __set_errno(EINVAL);
  25. return -1;
  26. }
  27. return INLINE_SYSCALL(mknod, 3, path, mode, (unsigned int)k_dev);
  28. }
  29. #endif
  30. libc_hidden_def(mknod)