utilities.c revision 75927
1263002Sroyger/* 2263002Sroyger * Copyright (c) 1980, 1986, 1993 3264882Sroyger * The Regents of the University of California. All rights reserved. 4263002Sroyger * 5263002Sroyger * Redistribution and use in source and binary forms, with or without 6263002Sroyger * modification, are permitted provided that the following conditions 7264882Sroyger * are met: 8264882Sroyger * 1. Redistributions of source code must retain the above copyright 9264882Sroyger * notice, this list of conditions and the following disclaimer. 10263002Sroyger * 2. Redistributions in binary form must reproduce the above copyright 11263002Sroyger * notice, this list of conditions and the following disclaimer in the 12263002Sroyger * documentation and/or other materials provided with the distribution. 13263002Sroyger * 3. All advertising materials mentioning features or use of this software 14263002Sroyger * must display the following acknowledgement: 15263002Sroyger * This product includes software developed by the University of 16263002Sroyger * California, Berkeley and its contributors. 17263002Sroyger * 4. Neither the name of the University nor the names of its contributors 18263002Sroyger * may be used to endorse or promote products derived from this software 19263002Sroyger * without specific prior written permission. 20263002Sroyger * 21263002Sroyger * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22263002Sroyger * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23263002Sroyger * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24263002Sroyger * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25263002Sroyger * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26263002Sroyger * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27263002Sroyger * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28263002Sroyger * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29263002Sroyger * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30263002Sroyger * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31263002Sroyger * SUCH DAMAGE. 32263002Sroyger */ 33263002Sroyger 34263002Sroyger#ifndef lint 35263002Sroyger#if 0 36263002Sroygerstatic const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95"; 37263002Sroyger#endif 38263002Sroygerstatic const char rcsid[] = 39263002Sroyger "$FreeBSD: head/sbin/fsck_ffs/utilities.c 75927 2001-04-24 22:38:08Z mckusick $"; 40263002Sroyger#endif /* not lint */ 41263002Sroyger 42263002Sroyger#include <sys/param.h> 43263002Sroyger#include <sys/types.h> 44263002Sroyger#include <sys/stat.h> 45263002Sroyger 46263002Sroyger#include <ufs/ufs/dinode.h> 47263002Sroyger#include <ufs/ufs/dir.h> 48263002Sroyger#include <ufs/ffs/fs.h> 49263002Sroyger 50284870Sroyger#include <err.h> 51263002Sroyger#include <errno.h> 52263002Sroyger#include <string.h> 53263002Sroyger#include <ctype.h> 54263002Sroyger#include <fstab.h> 55263002Sroyger#include <paths.h> 56263002Sroyger#include <stdio.h> 57263002Sroyger#include <stdlib.h> 58263002Sroyger#include <unistd.h> 59263002Sroyger 60263002Sroyger#include "fsck.h" 61263002Sroyger 62263002Sroyger 63263002Sroygerchar * 64263002Sroygerblockcheck(origname) 65263002Sroyger char *origname; 66263002Sroyger{ 67263002Sroyger struct stat stslash, stblock, stchar; 68263002Sroyger char *newname, *raw, *cp; 69263002Sroyger struct fstab *fsinfo; 70263002Sroyger int retried = 0, len; 71263002Sroyger static char device[MAXPATHLEN]; 72263002Sroyger 73263002Sroyger newname = origname; 74263002Sroyger if (stat(newname, &stblock) < 0) { 75263002Sroyger cp = strrchr(newname, '/'); 76263002Sroyger if (cp == 0) { 77263002Sroyger (void)snprintf(device, sizeof(device), "%s%s", 78263002Sroyger _PATH_DEV, newname); 79263002Sroyger newname = device; 80263002Sroyger } 81263002Sroyger } 82263002Sroygerretry: 83263002Sroyger if (stat(newname, &stblock) < 0) { 84263002Sroyger printf("Can't stat %s: %s\n", newname, strerror(errno)); 85263002Sroyger return (origname); 86263002Sroyger } 87263002Sroyger switch(stblock.st_mode & S_IFMT) { 88 case S_IFCHR: 89 case S_IFBLK: 90 return(newname); 91 case S_IFDIR: 92 if (retried) 93 break; 94 95 len = strlen(origname) - 1; 96 if (len > 0 && origname[len] == '/') 97 /* remove trailing slash */ 98 origname[len] = '\0'; 99 if ((fsinfo = getfsfile(origname)) == NULL) { 100 printf( 101 "Can't resolve %s to character special device.\n", 102 origname); 103 return (origname); 104 } 105 newname = fsinfo->fs_spec; 106 retried++; 107 goto retry; 108 } 109 /* 110 * Not a block or character device, just return name and 111 * let the user decide whether to use it. 112 */ 113 return (origname); 114} 115 116void 117infohandler(sig) 118 int sig; 119{ 120 got_siginfo = 1; 121} 122