libc/stdio/ctermid.c

   1 /* Copyright (C) 2004       Manuel Novoa III    <mjn3@codepoet.org>
   2  *
   3  * GNU Library General Public License (LGPL) version 2 or later.
   4  *
   5  * Dedicated to Toni.  See uClibc/DEDICATION.mjn3 for details.
   6  */
   7
   8 #include "_stdio.h"
   9
  10
  11 char *ctermid(register char *s)
  12 {
  13         static char sbuf[L_ctermid];
  14
  15 #ifdef __BCC__
  16         /* Currently elks doesn't support /dev/tty. */
  17         if (!s) {
  18                 s = sbuf;
  19         }
  20         *s = 0;
  21
  22         return s;
  23 #else
  24         /* glibc always returns /dev/tty for linux. */
  25         return strcpy((s ? s : sbuf), "/dev/tty");
  26 #endif
  27 }