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28 Commits

Author SHA1 Message Date
jilles
f663e7e8d0 truncate: Detect integer overflow, fix relative sizes, add tests. 
The change to expand_number (r204654) broke detection of too large sizes and
relative sizes ('+'/'-').

Also add some tests.

PR:		190735
Submitted by:	Kirk Russell
MFC after:	1 week
 2014-06-09 10:39:55 +00:00
sobomax
8d2851aaa1 Use expand_number(3) from libutil instead of home-grown function to parse 
human-friendly power-of-two numbers (i.e. 2k, 5M etc).

Suggested by:	many
MFC after:	1 week
 2010-03-03 19:25:28 +00:00
delphij
a9845d8d05 Initialize 'sz' as 0. 2009-02-21 03:42:31 +00:00
cperciva
16fd05844b Don't close file descriptor number <whatever random garbage was on the 
stack>.

Found by:	LLVM/Clang Static Checker
MFC after:	1 week
 2008-08-04 06:48:54 +00:00
ru
73c3b50972 The -r option can also cause the files to be extended (not 
necessarily truncated).
 2006-12-19 11:20:34 +00:00
ru
33e34aeeb5 Markup fixes. 2006-09-29 15:20:48 +00:00
maxim
3839b5384d o Don't leak fd on error. 
o parselength() returns 0 or -1 so int is enough for its return type.

Submitted by:	Ighighi Ighighi, sheldonh
MFC after:	3 weeks
 2006-09-18 16:39:23 +00:00
ceri
1510e4aa4d Chase revision 1.10 in usage string and a comment. 2006-09-07 17:10:26 +00:00
pjd
a6661f4c72 Allow to specify size in terabytes by using T or t suffix. 
This speeds up my testing a bit. Because truncate(1) doesn't allocate
blocks on file system before they are used, it is very useful to
emulate huge file systems:

	# truncate -s 16T fs.img
	# mdconfig -a -f fs.img
	# newfs /dev/mdX

(-t swap can be used as well)
 2006-04-09 19:16:24 +00:00
ru
0491ba1f63 Sync program's usage() with manpage's SYNOPSIS. 2005-05-21 09:55:10 +00:00
ru
6cc4b6c220 Added the EXIT STATUS section where appropriate. 2005-01-17 07:44:44 +00:00
le
8295db9038 Make size suffix case insensitive. 
PR:            bin/27604
Submitted by:  David Xu <davidx@viasoft.com.cn>
 2004-07-22 13:38:10 +00:00
imp
0b20191705 remove __P 2002-03-22 01:42:45 +00:00
markm
a5ca913bde Remove WARNS?=2 and -Wall. WARNS?=2 is going to be the default. 2001-12-12 00:06:52 +00:00
sheldonh
5ec991a49c * Update author's e-mail address. 
* When the author of an utility also wrote its manual page (a rarety, I
  know), it is not necessary to say that the utility "and this manual
  page" were written by the author.
 2001-08-16 08:40:54 +00:00
sheldonh
2ba16ad962 Use the .Cm macro to mark up the modifiers of the -s flag's size argument. 2001-08-16 08:19:09 +00:00
ru
bde8ec1b70 mdoc(7) police: utilize the new .Ex macro. 2001-08-15 09:09:47 +00:00
dd
911ca14c87 Remove whitespace at EOL. 2001-07-15 08:06:20 +00:00
dd
fdda055e00 Set WARNS=2 on programs that compile cleanly with it; add $FreeBSD$ 
where necessary.

Submitted by:	Mike Barcroft <mike@q9media.com>
 2001-06-30 05:39:36 +00:00
ru
ee79097019 mdoc(7) police: use canonical form of .Dd macro. 2000-12-11 15:47:53 +00:00
ru
0d1334ca0c mdoc(7) police: use the new features of the Nm macro. 2000-11-20 19:21:22 +00:00
sheldonh
06273e7e66 Merge the truncate(1) utility onto the RELENG_4 branch and adjust 
the HISTORY section to reflect the first release of FreeBSD in
which this utility will appear.
 2000-08-04 08:05:52 +00:00
sheldonh
fa8e7cc207 Simplify some conditionals. 2000-07-24 21:50:38 +00:00
sheldonh
1951291f8f Shut an optimizing compiler up about possibly (but never) unused 
variables.

Submitted by:	charnier
 2000-07-24 21:46:12 +00:00
sheldonh
04a5c2bdc2 truncate.c: 
Do not include unused header files.
	Add rcsid.
	Change copyright.

truncate.1:
	Add AUTHORS section.

Submitted by:	charnier
 2000-07-24 08:56:42 +00:00
sheldonh
2ae5c3dffc Close file descriptors after use so as not to abuse the descriptor 
table when a long argument list is given. :-)

Reported by:	Sven Agnew <afterhours80@hotmail.com>
 2000-07-23 13:24:01 +00:00
sheldonh
c72af522a2 Add a STANDARDS section to discourage the use of this utility 
in environments where portability is a concern.
 2000-07-21 13:05:15 +00:00
sheldonh
5df055483d Import the new truncate(1) utility. 
Approved by:	jdp
 2000-07-18 17:03:58 +00:00