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Gimme back my `-k' option!

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Also document `-t' option in the usage message.
This commit is contained in:
Garrett Wollman 1994-08-10 19:21:07 +00:00
parent f5b35288ac
commit 7f0eabfd0a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=2008
2 changed files with 12 additions and 3 deletions
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7
bin/df/df.1
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@ -39,7 +39,7 @@
.Nd display free disk space
.Sh SYNOPSIS
.Nm df
.Op Fl in
.Op Fl ink
.Op Fl t Ar type
.Op Ar file | Ar filesystem ...
.Sh DESCRIPTION
@ -60,6 +60,11 @@ The following options are available:
.Bl -tag -width Ds
.It Fl i
Include statistics on the number of free inodes.
.It Fl k
Use 1024-byte (1-Kbyte) blocks rather than the default. Note that
this overrides the
.Ev BLOCKSIZE
specification from the environment.
.It Fl n
Print out the previously obtained statistics from the filesystems.
This option should be used if it is possible that one or more

8
bin/df/df.c
View file

@ -121,11 +121,14 @@ main(argc, argv)
int ch, err, i, maxwidth, width;
char *mntpt;
while ((ch = getopt(argc, argv, "int:")) != EOF)
while ((ch = getopt(argc, argv, "iknt:")) != EOF)
switch (ch) {
case 'i':
iflag = 1;
break;
case 'k':
putenv("BLOCKSIZE=1024");
break;
case 'n':
nflag = 1;
break;
@ -415,6 +418,7 @@ bread(off, buf, cnt)
void
usage()
{
(void)fprintf(stderr, "usage: df [-in] [file | file_system ...]\n");
fprintf(stderr,
"usage: df [-ikn] [-t fstype] [file | file_system ...]\n");
exit(1);
}