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Add chlen command so you can set the size of an inode. This was handy

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in order to create sparse directory files that caused a panic of a
filesystem where fsck would not find anything. A fix for fsck is in the
make but still has to be reviewed by Kirk McKusick.
This commit is contained in:
Guido van Rooij 1996-09-26 19:40:04 +00:00
parent b2419d6fe2
commit a9bb2677f6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=18498
1 changed files with 23 additions and 0 deletions
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23
sbin/fsdb/fsdb.c
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@ -130,6 +130,7 @@ CMDFUNC(rm); /* remove name */
CMDFUNC(ln); /* add name */
CMDFUNC(newtype); /* change type */
CMDFUNC(chmode); /* change mode */
CMDFUNC(chlen); /* change length */
CMDFUNC(chaflags); /* change flags */
CMDFUNC(chgen); /* change generation */
CMDFUNC(chowner); /* change owner */
@ -162,6 +163,7 @@ struct cmdtable cmds[] = {
{ "chname", "Change dir entry number INDEX to NAME", 3, 3, chname },
{ "chtype", "Change type of current inode to TYPE", 2, 2, newtype },
{ "chmod", "Change mode of current inode to MODE", 2, 2, chmode },
{ "chlen", "Change length of current inode to LENGTH", 2, 2, chlen },
{ "chown", "Change owner of current inode to OWNER", 2, 2, chowner },
{ "chgrp", "Change group of current inode to GROUP", 2, 2, chgroup },
{ "chflags", "Change flags of current inode to FLAGS", 2, 2, chaflags },
@ -630,6 +632,27 @@ CMDFUNCSTART(newtype)
return 0;
}
CMDFUNCSTART(chlen)
{
int rval = 1;
long len;
char *cp;
if (!checkactive())
return 1;
len = strtol(argv[1], &cp, 0);
if (cp == argv[1] || *cp != '\0' || len < 0) {
warnx("bad length `%s'", argv[1]);
return 1;
}
curinode->di_size = len;
inodirty();
printactive();
return rval;
}
CMDFUNCSTART(chmode)
{
int rval = 1;