diff options
Diffstat (limited to 'c/src/exec/libcsupport/src/ttyname_r.c')
-rw-r--r-- | c/src/exec/libcsupport/src/ttyname_r.c | 119 |
1 files changed, 0 insertions, 119 deletions
diff --git a/c/src/exec/libcsupport/src/ttyname_r.c b/c/src/exec/libcsupport/src/ttyname_r.c deleted file mode 100644 index 6cf4800dcb..0000000000 --- a/c/src/exec/libcsupport/src/ttyname_r.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * This file was copied from newlib-1.8.2/newlib/unix/ttyname.c - * and transformed into ttyname_r(). - * - * Copyright (c) 1988 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $Id$ - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static char sccsid[] = "@(#)ttyname.c 5.10 (Berkeley) 5/6/91"; -#endif /* LIBC_SCCS and not lint */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <dirent.h> -#include <termios.h> -#include <unistd.h> -#include <string.h> -#include <paths.h> -#include <_syslist.h> -#include <errno.h> - -#include <rtems/libio_.h> -#include <rtems/seterr.h> - -/* - * ttyname_r() - POSIX 1003.1b 4.7.2 - Demetermine Terminal Device Name - */ - -int ttyname_r( - int fd, - char *name, - int namesize -) -{ - struct stat sb; - struct termios tty; - struct dirent *dirp; - DIR *dp; - struct stat dsb; - char *rval; - - /* Must be a terminal. */ - if (tcgetattr (fd, &tty) < 0) - rtems_set_errno_and_return_minus_one(EBADF); - - /* Must be a character device. */ - if (_fstat (fd, &sb) || !S_ISCHR (sb.st_mode)) - rtems_set_errno_and_return_minus_one(EBADF); - - if ((dp = opendir (_PATH_DEV)) == NULL) - rtems_set_errno_and_return_minus_one(EBADF); - - for (rval = NULL; (dirp = readdir (dp)) != NULL ;) - { - if (dirp->d_ino != sb.st_ino) - continue; - strcpy (name + sizeof (_PATH_DEV) - 1, dirp->d_name); - if (stat (name, &dsb) || sb.st_dev != dsb.st_dev || - sb.st_ino != dsb.st_ino) - continue; - (void) closedir (dp); - rval = name; - break; - } - (void) closedir (dp); - return 0; -} - -static char buf[sizeof (_PATH_DEV) + MAXNAMLEN] = _PATH_DEV; - -/* - * ttyname() - POSIX 1003.1b 4.7.2 - Demetermine Terminal Device Name - */ - -char *ttyname( - int fd -) -{ - if ( !ttyname_r( fd, buf, sizeof(buf) ) ) - return buf; - return NULL; -} - |