1 /* 2 * Copyright (c) 1980, 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 #if 0 36 static const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; 37 #endif 38 static const char rcsid[] = 39 "$FreeBSD$"; 40 #endif /* not lint */ 41 42 #include <sys/param.h> 43 #include <sys/types.h> 44 #include <sys/stat.h> 45 46 #include <ufs/ufs/dinode.h> 47 #include <ufs/ufs/dir.h> 48 #include <ufs/ffs/fs.h> 49 50 #include <err.h> 51 #include <errno.h> 52 #include <string.h> 53 #include <ctype.h> 54 #include <fstab.h> 55 #include <stdio.h> 56 #include <stdlib.h> 57 #include <unistd.h> 58 59 #include "fsck.h" 60 61 62 char * 63 blockcheck(origname) 64 char *origname; 65 { 66 struct stat stslash, stblock, stchar; 67 char *newname, *raw; 68 struct fstab *fsinfo; 69 int retried = 0, len; 70 71 newname = origname; 72 retry: 73 if (stat(newname, &stblock) < 0) { 74 printf("Can't stat %s: %s\n", newname, strerror(errno)); 75 return (origname); 76 } 77 switch(stblock.st_mode & S_IFMT) { 78 case S_IFCHR: 79 case S_IFBLK: 80 return(newname); 81 case S_IFDIR: 82 if (retried) 83 break; 84 85 len = strlen(origname) - 1; 86 if (len > 0 && origname[len] == '/') 87 /* remove trailing slash */ 88 origname[len] = '\0'; 89 if ((fsinfo = getfsfile(origname)) == NULL) { 90 printf("Can't resolve %s to character special device", 91 origname); 92 return (0); 93 } 94 newname = fsinfo->fs_spec; 95 retried++; 96 goto retry; 97 } 98 /* 99 * Not a block or character device, just return name and 100 * let the user decide whether to use it. 101 */ 102 return (origname); 103 } 104