Add chlen command so you can set the size of an inode. This was handy
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.
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@ -130,6 +130,7 @@ CMDFUNC(rm); /* remove name */
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CMDFUNC(ln); /* add name */
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CMDFUNC(newtype); /* change type */
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CMDFUNC(chmode); /* change mode */
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CMDFUNC(chlen); /* change length */
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CMDFUNC(chaflags); /* change flags */
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CMDFUNC(chgen); /* change generation */
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CMDFUNC(chowner); /* change owner */
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@ -162,6 +163,7 @@ struct cmdtable cmds[] = {
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{ "chname", "Change dir entry number INDEX to NAME", 3, 3, chname },
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{ "chtype", "Change type of current inode to TYPE", 2, 2, newtype },
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{ "chmod", "Change mode of current inode to MODE", 2, 2, chmode },
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{ "chlen", "Change length of current inode to LENGTH", 2, 2, chlen },
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{ "chown", "Change owner of current inode to OWNER", 2, 2, chowner },
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{ "chgrp", "Change group of current inode to GROUP", 2, 2, chgroup },
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{ "chflags", "Change flags of current inode to FLAGS", 2, 2, chaflags },
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@ -630,6 +632,27 @@ CMDFUNCSTART(newtype)
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return 0;
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}
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CMDFUNCSTART(chlen)
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{
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int rval = 1;
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long len;
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char *cp;
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if (!checkactive())
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return 1;
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len = strtol(argv[1], &cp, 0);
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if (cp == argv[1] || *cp != '\0' || len < 0) {
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warnx("bad length `%s'", argv[1]);
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return 1;
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}
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curinode->di_size = len;
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inodirty();
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printactive();
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return rval;
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}
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CMDFUNCSTART(chmode)
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{
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int rval = 1;
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