diff options
Diffstat (limited to 'newlib/libc/unix/ttyname.c')
-rw-r--r-- | newlib/libc/unix/ttyname.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/newlib/libc/unix/ttyname.c b/newlib/libc/unix/ttyname.c deleted file mode 100644 index 7e0fec89c..000000000 --- a/newlib/libc/unix/ttyname.c +++ /dev/null @@ -1,107 +0,0 @@ -#ifndef _NO_TTYNAME -/* - * 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. - * 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. - */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <dirent.h> -#include <unistd.h> -#include <string.h> -#include <paths.h> -#include <_syslist.h> -#include <errno.h> - -static char ttyname_buf[sizeof (_PATH_DEV) + MAXNAMLEN] = _PATH_DEV; - -/* - * ttyname_r() - POSIX 1003.1b 4.7.2 - Determine Terminal Device Name - */ -int -_DEFUN( ttyname_r,(fd, name, namesize), - int fd _AND - char *name _AND - size_t namesize) -{ - struct stat sb; - struct dirent *dirp; - DIR *dp; - struct stat dsb; - char buf[sizeof(ttyname_buf)]; - - /* Must be a terminal. */ - if (!isatty(fd)) - return ENOTTY; - - /* Must be a character device. */ - if (fstat (fd, &sb) || !S_ISCHR (sb.st_mode)) - return ENOTTY; - - if ((dp = opendir (_PATH_DEV)) == NULL) - return EBADF; - - strcpy(buf, _PATH_DEV); - while ((dirp = readdir (dp)) != NULL) - { - if (dirp->d_ino != sb.st_ino) - continue; - strcpy (buf + sizeof (_PATH_DEV) - 1, dirp->d_name); - if (stat (buf, &dsb) || sb.st_dev != dsb.st_dev || - sb.st_ino != dsb.st_ino) - continue; - (void) closedir (dp); - if(strlen(buf) < namesize) /* < to account for terminating null */ - { - strcpy(name, buf); - return 0; - } - else - { - return ERANGE; - } - } - (void) closedir (dp); - return EBADF; -} - -/* - * ttyname() - POSIX 1003.1b 4.7.2 - Determine Terminal Device Name - */ -char * -_DEFUN( ttyname,(fd), - int fd) -{ - register int fail; - register char *ret=NULL; - fail = ttyname_r( fd, ttyname_buf, sizeof(ttyname_buf) ); - if ( fail ) errno = fail; - else ret = ttyname_buf; - return ret; -} -#endif /* !_NO_TTYNAME */ |