Libc-262.tar.gz

[apple/libc.git] / gen.subproj / devname.c

diff --git a/gen.subproj/devname.c b/gen.subproj/devname.c
deleted file mode 100644 (file)
index 3a03f5a..0000000
--- a/gen.subproj/devname.c
+++ /dev/null
@@ -1,130 +0,0 @@
-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- * 
- * @APPLE_LICENSE_HEADER_END@
- */
-/*
- * Copyright (c) 1989, 1993
- *     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.
- */
-
-
-#include <sys/types.h>
-#include <sys/stat.h>
-
-#include <db.h>
-#include <dirent.h>
-#include <err.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <paths.h>
-#include <stdio.h>
-#include <string.h>
-
-static char buf[sizeof(_PATH_DEV) + MAXNAMLEN] = _PATH_DEV;
-static char *olddevname __P((dev_t, mode_t));
-
-char *
-devname(dev, type)
-       dev_t dev;
-       mode_t type;
-{
-       struct {
-               mode_t type;
-               dev_t dev;
-       } bkey;
-       static DB *db;
-       static int failure;
-       DBT data, key;
-
-       if (!db && !failure &&
-           !(db = dbopen(_PATH_DEVDB, O_RDONLY, 0, DB_HASH, NULL))) {
-               failure = 1;
-       }
-       if (failure)
-               return (olddevname(dev, type));
-
-       /*
-        * Keys are a mode_t followed by a dev_t.  The former is the type of
-        * the file (mode & S_IFMT), the latter is the st_rdev field.  Be
-        * sure to clear any padding that may be found in bkey.
-        */
-       memset(&bkey, 0, sizeof(bkey));
-       bkey.dev = dev;
-       bkey.type = type;
-       key.data = &bkey;
-       key.size = sizeof(bkey);
-       return ((db->get)(db, &key, &data, 0) ? NULL : (char *)data.data);
-}
-
-static char *
-olddevname(dev, type)
-       dev_t dev;
-       mode_t type;
-{
-       register DIR *dp;
-       register struct dirent *dirp;
-       struct stat sb;
-
-       if ((dp = opendir(_PATH_DEV)) == NULL)
-               return (NULL);
-
-       while ( (dirp = readdir(dp)) ) {
-               bcopy(dirp->d_name, buf + sizeof(_PATH_DEV) - 1,
-                   dirp->d_namlen + 1);
-               if (stat(buf, &sb))
-                       continue;
-               if (dev != sb.st_rdev)
-                       continue;
-               if (type != (sb.st_mode & S_IFMT))
-                       continue;
-               (void)closedir(dp);
-               return (buf + sizeof(_PATH_DEV) - 1);
-       }
-       (void)closedir(dp);
-       return (NULL);
-}