126 lines
3.5 KiB
C
126 lines
3.5 KiB
C
/*
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* Copyright (c) 1980, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#if 0
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#ifndef lint
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static const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95";
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#endif /* not lint */
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <ufs/ufs/dinode.h>
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#include <ufs/ufs/dir.h>
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#include <ufs/ffs/fs.h>
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#include <err.h>
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#include <errno.h>
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#include <string.h>
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#include <ctype.h>
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#include <fstab.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "fsck.h"
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char *
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blockcheck(char *origname)
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{
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struct stat stblock;
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char *newname, *cp;
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struct fstab *fsinfo;
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int retried = 0, len;
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static char device[MAXPATHLEN];
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newname = origname;
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if (stat(newname, &stblock) < 0) {
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cp = strrchr(newname, '/');
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if (cp == 0) {
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(void)snprintf(device, sizeof(device), "%s%s",
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_PATH_DEV, newname);
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newname = device;
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}
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}
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retry:
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if (stat(newname, &stblock) < 0) {
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printf("Can't stat %s: %s\n", newname, strerror(errno));
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return (origname);
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}
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switch(stblock.st_mode & S_IFMT) {
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case S_IFCHR:
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case S_IFBLK:
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return(newname);
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case S_IFDIR:
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if (retried)
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break;
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len = strlen(origname) - 1;
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if (len > 0 && origname[len] == '/')
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/* remove trailing slash */
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origname[len] = '\0';
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if ((fsinfo = getfsfile(origname)) == NULL) {
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printf(
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"Can't resolve %s to character special device.\n",
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origname);
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return (origname);
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}
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newname = fsinfo->fs_spec;
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retried++;
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goto retry;
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}
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/*
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* Not a block or character device, just return name and
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* let the user decide whether to use it.
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*/
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return (origname);
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}
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void
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infohandler(int sig __unused)
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{
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got_siginfo = 1;
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}
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void
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alarmhandler(int sig __unused)
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{
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got_sigalarm = 1;
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}
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