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-rw-r--r--libc/stdio/ctermid.c54
1 files changed, 22 insertions, 32 deletions
diff --git a/libc/stdio/ctermid.c b/libc/stdio/ctermid.c
index 004b8fecf..118608780 100644
--- a/libc/stdio/ctermid.c
+++ b/libc/stdio/ctermid.c
@@ -1,36 +1,26 @@
-/* Copyright (C) 1991, 1997 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
+/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org>
+ *
+ * GNU Library General Public License (LGPL) version 2 or later.
+ *
+ * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details.
+ */
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
+#include "_stdio.h"
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <stdio.h>
-#include <string.h>
-
-
-/* Return the name of the controlling terminal.
- If S is not NULL, the name is copied into it (it should be at
- least L_ctermid bytes long), otherwise a static buffer is used. */
-char *
-ctermid (s)
- char *s;
+char *ctermid(register char *s)
{
- static char name[L_ctermid];
-
- if (s == NULL)
- s = name;
-
- return strcpy (s, "/dev/tty");
+ static char sbuf[L_ctermid];
+
+#ifdef __BCC__
+ /* Currently elks doesn't support /dev/tty. */
+ if (!s) {
+ s = sbuf;
+ }
+ *s = 0;
+
+ return s;
+#else
+ /* glibc always returns /dev/tty for linux. */
+ return strcpy((s ? s : sbuf), "/dev/tty");
+#endif
}