49 lines
1.3 KiB
C
49 lines
1.3 KiB
C
/* ttyname_r.c - A ttyname_r() replacement.
|
||
Copyright (C) 2003, 2004 g10 Code GmbH
|
||
|
||
This file is part of GPGME.
|
||
|
||
GPGME 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.
|
||
|
||
GPGME 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 this program; if not, write to the Free Software
|
||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
|
||
02111-1307, USA. */
|
||
|
||
#if HAVE_CONFIG_H
|
||
#include <config.h>
|
||
#endif
|
||
#include <stdlib.h>
|
||
#include <errno.h>
|
||
#include <string.h>
|
||
#include <unistd.h>
|
||
|
||
|
||
#warning ttyname is not thread-safe, and ttyname_r is missing
|
||
|
||
int
|
||
ttyname_r (int fd, char *buf, size_t buflen)
|
||
{
|
||
#if HAVE_W32_SYSTEM
|
||
errno = ENOTTY; /* The best error code I have under mingw. */
|
||
#else
|
||
char *tty;
|
||
|
||
tty = ttyname (fd);
|
||
if (!tty)
|
||
return errno;
|
||
|
||
strncpy (buf, tty, buflen);
|
||
buf[buflen - 1] = '\0';
|
||
return (strlen (tty) >= buflen) ? ERANGE : 0;
|
||
#endif
|
||
}
|