ioctl.c 2.0 KB

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  1. /* Copyright (C) 1998 Free Software Foundation, Inc.
  2. This file is part of the GNU C Library.
  3. The GNU C Library is free software; you can redistribute it and/or
  4. modify it under the terms of the GNU Lesser General Public
  5. License as published by the Free Software Foundation; either
  6. version 2.1 of the License, or (at your option) any later version.
  7. The GNU C Library is distributed in the hope that it will be useful,
  8. but WITHOUT ANY WARRANTY; without even the implied warranty of
  9. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  10. Lesser General Public License for more details.
  11. You should have received a copy of the GNU Lesser General Public
  12. License along with the GNU C Library; if not, write to the Free
  13. Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  14. 02111-1307 USA. */
  15. #define tcsetattr __tcsetattr
  16. #define tcgetattr __tcgetattr
  17. #include <stdarg.h>
  18. #include <termios.h>
  19. #include <unistd.h>
  20. #include <sys/ioctl.h>
  21. #include <sys/syscall.h>
  22. /* The user-visible size of struct termios has changed. Catch ioctl calls
  23. using the new-style struct termios, and translate them to old-style. */
  24. #define __NR___syscall_ioctl __NR_ioctl
  25. static inline
  26. _syscall3(int, __syscall_ioctl, int, fd, unsigned long int, request, void *, arg);
  27. int attribute_hidden __ioctl (int fd, unsigned long int request, ...)
  28. {
  29. void *arg;
  30. va_list ap;
  31. int result;
  32. va_start (ap, request);
  33. arg = va_arg (ap, void *);
  34. switch (request)
  35. {
  36. case TCGETS:
  37. result = tcgetattr (fd, (struct termios *) arg);
  38. break;
  39. case TCSETS:
  40. result = tcsetattr (fd, TCSANOW, (struct termios *) arg);
  41. break;
  42. case TCSETSW:
  43. result = tcsetattr (fd, TCSADRAIN, (struct termios *) arg);
  44. break;
  45. case TCSETSF:
  46. result = tcsetattr (fd, TCSAFLUSH, (struct termios *) arg);
  47. break;
  48. default:
  49. result = __syscall_ioctl (fd, request, arg);
  50. break;
  51. }
  52. va_end (ap);
  53. return result;
  54. }
  55. strong_alias(__ioctl,ioctl)