freebsd-dev/sbin/fsck_ifs/utilities.c
Warner Losh b70cd7ee68 o __P removed
o ansi function prototypes
o unifdef -D__STDC__
o __dead2 on usage prototype
o remove now-bogus main prototype
2002-03-20 22:57:10 +00:00

103 lines
3.1 KiB
C

/*
* Copyright (c) 1980, 1986, 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.
*/
#ifndef lint
#if 0
static const char sccsid[] = "@(#)utilities.c 8.6 (Berkeley) 5/19/95";
#endif
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <ufs/ufs/dinode.h>
#include <ufs/ufs/dir.h>
#include <ufs/ffs/fs.h>
#include <err.h>
#include <errno.h>
#include <string.h>
#include <ctype.h>
#include <fstab.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "fsck.h"
char *
blockcheck(char *origname)
{
struct stat stslash, stblock, stchar;
char *newname, *raw;
struct fstab *fsinfo;
int retried = 0, len;
newname = origname;
retry:
if (stat(newname, &stblock) < 0) {
printf("Can't stat %s: %s\n", newname, strerror(errno));
return (origname);
}
switch(stblock.st_mode & S_IFMT) {
case S_IFCHR:
case S_IFBLK:
return(newname);
case S_IFDIR:
if (retried)
break;
len = strlen(origname) - 1;
if (len > 0 && origname[len] == '/')
/* remove trailing slash */
origname[len] = '\0';
if ((fsinfo = getfsfile(origname)) == NULL) {
printf("Can't resolve %s to character special device",
origname);
return (0);
}
newname = fsinfo->fs_spec;
retried++;
goto retry;
}
/*
* Not a block or character device, just return name and
* let the user decide whether to use it.
*/
return (origname);
}