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 * 4. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #if 0 31 #ifndef lint 32 static const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; 33 #endif /* not lint */ 34 #endif 35 #include <sys/cdefs.h> 36 __FBSDID("$FreeBSD$"); 37 38 #include <sys/param.h> 39 #include <sys/types.h> 40 #include <sys/stat.h> 41 42 #include <ufs/ufs/dinode.h> 43 #include <ufs/ufs/dir.h> 44 #include <ufs/ffs/fs.h> 45 46 #include <err.h> 47 #include <errno.h> 48 #include <string.h> 49 #include <ctype.h> 50 #include <fstab.h> 51 #include <paths.h> 52 #include <stdio.h> 53 #include <stdlib.h> 54 #include <unistd.h> 55 56 #include "fsck.h" 57 58 59 char * 60 blockcheck(char *origname) 61 { 62 struct stat stblock; 63 char *newname, *cp; 64 struct fstab *fsinfo; 65 int retried = 0, len; 66 static char device[MAXPATHLEN]; 67 68 newname = origname; 69 if (stat(newname, &stblock) < 0) { 70 cp = strrchr(newname, '/'); 71 if (cp == 0) { 72 (void)snprintf(device, sizeof(device), "%s%s", 73 _PATH_DEV, newname); 74 newname = device; 75 } 76 } 77 retry: 78 if (stat(newname, &stblock) < 0) { 79 printf("Can't stat %s: %s\n", newname, strerror(errno)); 80 return (origname); 81 } 82 switch(stblock.st_mode & S_IFMT) { 83 case S_IFCHR: 84 case S_IFBLK: 85 return(newname); 86 case S_IFDIR: 87 if (retried) 88 break; 89 90 len = strlen(origname) - 1; 91 if (len > 0 && origname[len] == '/') 92 /* remove trailing slash */ 93 origname[len] = '\0'; 94 if ((fsinfo = getfsfile(origname)) == NULL) { 95 printf( 96 "Can't resolve %s to character special device.\n", 97 origname); 98 return (origname); 99 } 100 newname = fsinfo->fs_spec; 101 retried++; 102 goto retry; 103 } 104 /* 105 * Not a block or character device, just return name and 106 * let the user decide whether to use it. 107 */ 108 return (origname); 109 } 110 111