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121 Commits

Author SHA1 Message Date
Bryan Drewery
5e93a4b46b If fgets(3) fails in getbounds(), show strerror(3) if not an EOF. Also fix 
a FILE* leak in getbounds().

Submitted by:	Conrad Meyer <conrad.meyer@isilon.com>
PR:		192032
Sponsored by:	EMC / Isilon Storage Division
MFC after:	1 week
 2014-09-17 19:09:58 +00:00
Christian Brueffer
27e21758b8 Fix double fclose() in an error case. 
CID:		1006120
Found with:	Coverity Prevent(tm)
MFC after:	1 week
 2014-04-14 21:44:34 +00:00
Mark Johnston
776f03d204 Log the name of the device that we failed to open rather than an 
uninitialized buffer.

MFC after:	3 days
 2014-03-05 04:15:17 +00:00
Pawel Jakub Dawidek
165557e269 With rotating kernel dumps the higest dump number is not necessarily the 
last one. To make it easier to find the last one create symlinks with 'last'
suffix that will point to the files of the last coredump, eg.:

	info.last -> info.5
	textdump.tar.last.gz -> textdump.tar.5.gz

Reviewed by:	avg
Obtained from:	WHEEL Systems
 2012-12-16 23:09:27 +00:00
Pawel Jakub Dawidek
eeff0b1b27 Implement -m option to savecore(8) that allows to limit number of kernel 
dumps stored. Once the limit is reached it restarts from 0.

Reviewed by:	avg
Obtained from:	WHEEL Systems
 2012-12-16 23:06:12 +00:00
Pawel Jakub Dawidek
30f6c389ae Make use of the fact that we changed working directory to the dump directory 
earlier.

Obtained from:	WHEEL Systems
 2012-12-16 23:04:31 +00:00
Pawel Jakub Dawidek
3a6e0febc2 Sort flags properly. 
Obtained from:	WHEEL Systems
 2012-12-16 22:59:58 +00:00
Pawel Jakub Dawidek
87c3930b34 Prefer snprintf() over sprintf(). 
Obtained from:	WHEEL Systems
 2012-12-16 22:59:25 +00:00
Pawel Jakub Dawidek
349d039bdb - When checking if a dump exists on the given device there is no need to 
provide dump directory. Eliminate this redundant argument. This changes
  the usage, but the only risk here is that a warning will be printed
  about directory given as device.

- Update usage of -C option.

- When clearing dump header from the given device there is also no need to
  provide dump directory, although additional arguments for -c were not
  documented.

- Document that -v can be used with -c and that list of devices can be given.

Obtained from:	WHEEL Systems
 2012-12-14 15:12:08 +00:00
Pawel Jakub Dawidek
22374de9ca The clear option (-c) is not compatible with keep (-k) and compress (-z) 
options.

Obtained from:	WHEEL Systems
 2012-12-14 15:04:39 +00:00
Pawel Jakub Dawidek
410604696d If we are not going to clear the dump (we are either just checking if the dump 
exists or we want to keep it), open device read-only.

Obtained from:	WHEEL Systems
 2012-12-14 15:03:12 +00:00
Pawel Jakub Dawidek
26ef9e4a3f Whitespace cleanups. 2012-12-14 15:01:23 +00:00
Robert Millan
453856145c Include <signal.h> (for SIGINFO). 2012-04-09 20:55:23 +00:00
Kevin Lo
ecd9e552d0 Remove duplicated header files 2011-06-24 07:29:04 +00:00
Joel Dahl
f041f6a7b7 Remove the advertising clause from UCB copyrighted files in sbin. This 
is in accordance with the information at
ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
 2010-12-12 21:26:12 +00:00
Ruslan Ermilov
106d839190 Switch the default WARNS level for sbin/ to 6. 
Submitted by:	Ulrich Spörlein
 2009-10-19 16:00:24 +00:00
Ruslan Ermilov
20ba6b0d61 Fixed markup. 2009-09-17 19:15:49 +00:00
Ulf Lilleengen
0d239eefe5 - Add a SIGINFO handler for savecore. 2009-08-25 06:21:45 +00:00
Christian Brueffer
2a72feb42b Correct the information about when the respective functionality first 
appeared in FreeBSD.

PR:		133785
Submitted by:	Ulrich Spoerlein <uqs@spoerlein.net>
MFC after:	3 days
 2009-04-23 08:37:56 +00:00
Tom Rhodes
138f7e4b30 Apply various fixes: 
Silence mdoc(7) warnings;
Xref correct manual pages;
Point user to the ddb.8 manual page.

PR:		129398
Submitted by:	gavin
 2008-12-24 11:12:21 +00:00
Robert Watson
df0b82f150 Compare kernel dump header magic with textdump magic using strncmp() 
rather than the memcmp() which is used for regular dumps: the
textdump string is one character shorter, so we need to stop
comparing at the end of the string.

Use independent version checking logic for architecture-specific
version number vs. textdump version number, as the version sequences
may (someday) differ.

Run into by:	rrs
 2007-12-27 21:28:48 +00:00
Robert Watson
10187cae6e Teach savecore(8) how to extract textdump(4) dumps. 
Update savecore(8) man page to reflect textdump additions.

MFC after:	3 months
 2007-12-26 11:42:10 +00:00
Kevin Lo
76f23bd523 Check fdopen return value. 
Reviewed by: phk
 2007-05-28 09:48:25 +00:00
Maxim Konovalov
125450bbb7 o Restore kerneldumpheader.architectureversion bytes swopping 
mangled in rev. 1.72.

PR:		bin/86805
Submitted by:	Gavin Atkinson
MFC after:	3 days
 2005-10-02 11:31:45 +00:00
Robert Watson
d32e7ba722 Don't consider being unable to open the bounds file worthy of printing 
at LOG_WARNING by default; instead, consider it something to be printed
to the tty when 'verbose' mode is set.  This avoids printing out extra
lines at every boot on a system with crash dumps enabled, but that has
not yet had to generate a crashdump.

MFC after:	1 week
 2005-09-13 19:15:28 +00:00
Doug White
9520784e29 Don't bump bounds every time savecore(8) is run. 
Submitted by:	Ed Maste <emaste@sandvine.com>
Approved by:	re
 2005-06-20 20:01:29 +00:00
Ruslan Ermilov
55c82bf0d4 Markup fixes. 
Approved by:	re (blanket)
 2005-06-14 11:24:56 +00:00
Philip Paeps
ff869641ae Fix a silly little typo I just spotted. 2005-06-06 06:47:33 +00:00
Xin LI
466e103c7d Constify savedir pointer, and remove an accompaning strdup() call. 2005-05-29 16:28:07 +00:00
David E. O'Brien
ecb90dcc75 style(9). 2005-02-26 01:19:21 +00:00
David E. O'Brien
5fb7027c82 Allow a forced dump even if the dump header information is inconsistent. 
Output more verbosity with additional -v's.

Submitted by:	seanc
 2005-02-24 02:45:10 +00:00
Ruslan Ermilov
8d646af581 Sync program's usage() with manpage's SYNOPSIS. 2005-02-10 09:19:34 +00:00
Ruslan Ermilov
6087df9e8b Sort sections. 2005-01-18 10:09:38 +00:00
Xin LI
e80cfa4631 Initialize "he" in DoFile, so savecore(8) is WARNS=6 clean. 
Bump WARNS accordingly.
 2005-01-10 10:44:56 +00:00
Ruslan Ermilov
9f676d2ed6 Use a local "compress" symbol corresponding to a variable in BSS, 
rather than the one from libz, corresponding to a function, when
linking statically.

PR:		bin/70392
 2004-08-16 07:02:14 +00:00
Mark Murray
4c723140a4 Remove advertising clause from University of California Regent's license, 
per letter dated July 22, 1999.

Approved by: core, imp
 2004-04-09 19:58:40 +00:00
Maxim Konovalov
34ee70a6a0 o Remove obsoleted '-N' and '-d' flags. 2004-02-28 10:42:27 +00:00
Maxim Konovalov
1e581b9759 o Sync usage() with reality: add 'z' flag. 
MFC after:	1 week
 2004-02-28 10:22:17 +00:00
Johan Karlsson
604d24db95 style.Makefile(5): 
Use WARNS?= instead of WARNS=.
 2004-02-23 20:25:27 +00:00
Tim J. Robbins
65922d0bb2 Merge from RELENG_4 1.28.2.13: Fix saving system crash dumps larger than 
2 GB by using fseeko() instead of fseek().
 2004-02-20 12:22:52 +00:00
Marcel Moolenaar
4b290df1dd Revision 1.61 changed the allocation of buffer 'buf' in DoFile() from 
the stack to the heap to work around a problem on ia64. Now, roughly
16 months and two compiler updates later, it isn't an issue anymore
in the sense that putting a 1M buffer on the stack just works and we
don't actually need to work around anything anymore.
However, since there's no advantage or need to put the buffer on the
stack (again), this change merely removes the XXX comment describing
that there's an explicit reason for the heap allocation. Hence, this
change is a functional no-op.

PR: ia64/38677
 2003-10-08 07:37:11 +00:00
Doug Barton
628d16a388 Add a flag that reports the existence of a dump, and does nothing else. 
The immediate purpose for this option is to use it in rc.d so that we
can make savecore behavior conditional.

Tremendous assistance with ideas and sanity checking provided by tjr
and b@etek.chalmers.se.
 2003-09-04 10:07:01 +00:00
Jens Schweikhardt
9d5abbddbf Correct typos, mostly s/ a / an / where appropriate. Some whitespace cleanup, 
especially in troff files.
 2003-01-01 18:49:04 +00:00
Tom Rhodes
ce66ddb763 s/filesystem/file system/g as discussed on -developers 2002-08-21 18:11:48 +00:00
Philippe Charnier
629e80effb The .Nm utility. 2002-07-06 19:35:14 +00:00
Marcel Moolenaar
acc6623066 Fix breakage caused by allocating the I/O buffer. There was a 
sizeof(buf) lurking around that I missed.

PR: 38811
Submitted by: Adrian Colley <aecolley@spamcop.net>
 2002-06-02 19:20:37 +00:00
Ruslan Ermilov
1fa8142d87 mdoc(7) police: nits. 2002-05-29 16:53:27 +00:00
Marcel Moolenaar
6db5f8a79e Work around a memory fault on ia64 caused by having the 1MB buffer on 
the stack in DoFile(). This needs some investigation. In the mean time
we do a one time malloc() for the buffer to have it on the heap instead.
 2002-05-27 07:54:43 +00:00
Ruslan Ermilov
89a600f197 Style. 2002-05-13 12:07:57 +00:00
Marcel Moolenaar
fac09f6b79 Make argument to printf match format. 2002-05-06 08:27:21 +00:00