* De: Juli Mallett <[EMAIL PROTECTED]> [ Data: 2003-01-18 ]
        [ Subjecte: badsect testers? ]
> Can someone who actually uses badsect, or who has clue about it, test this
> diff, to make it use libufs?

Err, THIS diff.

%%%
Index: Makefile
===================================================================
RCS file: /home/ncvs/src/sbin/badsect/Makefile,v
retrieving revision 1.5
diff -d -u -r1.5 Makefile
--- Makefile    4 Dec 2001 02:19:44 -0000       1.5
+++ Makefile    19 Jan 2003 03:17:32 -0000
@@ -4,5 +4,6 @@
 PROG=  badsect
 WARNS= 0
 MAN=   badsect.8
+LDADD= -lufs
 
 .include <bsd.prog.mk>
Index: badsect.c
===================================================================
RCS file: /home/ncvs/src/sbin/badsect/badsect.c,v
retrieving revision 1.16
diff -d -u -r1.16 badsect.c
--- badsect.c   27 Nov 2002 02:18:56 -0000      1.16
+++ badsect.c   19 Jan 2003 03:17:32 -0000
@@ -65,37 +65,21 @@
 #include <err.h>
 #include <dirent.h>
 #include <fcntl.h>
+#include <libufs.h>
 #include <paths.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
 
-union {
-       struct  fs fs;
-       char    fsx[SBLOCKSIZE];
-} ufs;
-#define sblock ufs.fs
-union {
-       struct  cg cg;
-       char    cgx[MAXBSIZE];
-} ucg;
-#define        acg     ucg.cg
-struct fs *fs;
-int    fso, fsi;
+#define sblock disk.d_fs
+#define        acg     disk.d_cg
+struct uufsd disk;
+struct fs *fs = &sblock;
 int    errs;
-long   dev_bsize = 1;
 
-char buf[MAXBSIZE];
-
-void   rdfs(daddr_t, int, char *);
 int    chkuse(daddr_t, int);
 
-/*
- * Possible superblock locations ordered from most to least likely.
- */
-static int sblock_try[] = SBLOCKSEARCH;
-
 static void
 usage(void)
 {
@@ -137,23 +121,12 @@
                    (u_long)stbuf.st_rdev, argv[1]);
                exit(5);
        }
-       if ((fsi = open(name, O_RDONLY)) < 0)
-               err(6, "%s", name);
-       fs = &sblock;
-       for (i = 0; sblock_try[i] != -1; i++) {
-               rdfs(sblock_try[i] / dev_bsize, SBLOCKSIZE, (char *)fs);
-               if ((fs->fs_magic == FS_UFS1_MAGIC ||
-                    (fs->fs_magic == FS_UFS2_MAGIC &&
-                     fs->fs_sblockloc == sblock_try[i])) &&
-                   fs->fs_bsize <= MAXBSIZE &&
-                   fs->fs_bsize >= sizeof(struct fs))
-                       break;
-       }
-       if (sblock_try[i] == -1) {
-               printf("Cannot find file system\n");
-               exit(7);
+       if (ufs_disk_fillout(&disk, name) == -1) {
+               if (disk.d_error != NULL)
+                       errx(6, "%s: %s", name, disk.d_error);
+               else
+                       err(7, "%s", name);
        }
-       dev_bsize = fs->fs_fsize / fsbtodb(fs, 1);
        for (argc -= 2, argv += 2; argc > 0; argc--, argv++) {
                number = atol(*argv);
                if (chkuse(number, 1))
@@ -175,6 +148,7 @@
                        errs++;
                }
        }
+       ufs_disk_close(&disk);
        printf("Don't forget to run ``fsck %s''\n", name);
        exit(errs);
 }
@@ -204,8 +178,11 @@
                        return (1);
                }
        }
-       rdfs(fsbtodb(fs, cgtod(fs, cg)), (int)sblock.fs_cgsize,
-           (char *)&acg);
+       if (cgread1(&disk, cg) != 1) {
+               fprintf(stderr, "cg %d: could not be read\n", cg);
+               errs++;
+               return (1);
+       }
        if (!cg_chkmagic(&acg)) {
                fprintf(stderr, "cg %d: bad magic number\n", cg);
                errs++;
@@ -215,23 +192,4 @@
        if (isclr(cg_blksfree(&acg), bn))
                printf("Warning: sector %ld is in use\n", (long)blkno);
        return (0);
-}
-
-/*
- * read a block from the file system
- */
-void
-rdfs(daddr_t bno, int size, char *bf)
-{
-       int n;
-
-       if (lseek(fsi, (off_t)bno * dev_bsize, SEEK_SET) < 0) {
-               printf("seek error: %ld\n", (long)bno);
-               err(1, "rdfs");
-       }
-       n = read(fsi, bf, size);
-       if (n != size) {
-               printf("read error: %ld\n", (long)bno);
-               err(1, "rdfs");
-       }
 }
%%%
-- 
Juli Mallett <[EMAIL PROTECTED]>
AIM: BSDFlata -- IRC: juli on EFnet.
OpenDarwin, Mono, FreeBSD Developer.
ircd-hybrid Developer, EFnet addict.
FreeBSD on MIPS-Anything on FreeBSD.

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