oweals/busybox.git
23 years agoUse xfopen, saves 32 bytes !
Glenn L McGrath [Fri, 5 Oct 2001 05:03:14 +0000 (05:03 -0000)]
Use xfopen, saves 32 bytes !

23 years agoApply Magnus Damm's patch, adds tftp blocksize support, and some cleanups.
Glenn L McGrath [Fri, 5 Oct 2001 04:40:37 +0000 (04:40 -0000)]
Apply Magnus Damm's patch, adds tftp blocksize support, and some cleanups.

23 years agoInitial support for for bunzip2....
Glenn L McGrath [Fri, 5 Oct 2001 03:48:57 +0000 (03:48 -0000)]
Initial support for for bunzip2....
This code could be improvemed by
 1) supporting more options,
 2) Creating a shared crc table with gunzip, or perhaps generated on the fly.
 3) Removing any remaining unneccessary code (e.g. if (noisy))

23 years agoChange extraction/list code to use common unarchive code.
Glenn L McGrath [Fri, 5 Oct 2001 02:58:48 +0000 (02:58 -0000)]
Change extraction/list code to use common unarchive code.

23 years agoInvert FILEUTILS_PRESERVE_SYMLINKS into FILEUTILS_DEREFERENCE.
Matt Kraai [Fri, 5 Oct 2001 01:35:10 +0000 (01:35 -0000)]
Invert FILEUTILS_PRESERVE_SYMLINKS into FILEUTILS_DEREFERENCE.

23 years agoFix BB_FEATURE_MTAB_SUPPORT test (report and patch by Magnus Damm).
Matt Kraai [Thu, 4 Oct 2001 15:23:34 +0000 (15:23 -0000)]
Fix BB_FEATURE_MTAB_SUPPORT test (report and patch by Magnus Damm).

23 years agoAdd Magnus Damm and fix alpha sorting
Eric Andersen [Thu, 4 Oct 2001 09:33:40 +0000 (09:33 -0000)]
Add Magnus Damm and fix alpha sorting

23 years agoFixes with help from Stefan, Typo in prerm script, and when reinstall a package the...
Glenn L McGrath [Thu, 4 Oct 2001 05:22:42 +0000 (05:22 -0000)]
Fixes with help from Stefan, Typo in prerm script, and when reinstall a package the old packages status was getting overwritten.

23 years agoAlways enable BB_TEST when BB_ASH, BB_LASH, or BB_MSH is enabled
Eric Andersen [Wed, 3 Oct 2001 23:37:24 +0000 (23:37 -0000)]
Always enable BB_TEST when BB_ASH, BB_LASH, or BB_MSH is enabled

23 years agoLook for either "init" or "linuxrc" processes
Eric Andersen [Wed, 3 Oct 2001 21:26:12 +0000 (21:26 -0000)]
Look for either "init" or "linuxrc" processes

23 years agoPatch from Magnus Damm <damm@opensource.se> to avoid lash hanging
Eric Andersen [Wed, 3 Oct 2001 11:23:42 +0000 (11:23 -0000)]
Patch from Magnus Damm <damm@opensource.se> to avoid lash hanging
on serial ports

23 years agoExtract control.tar.gz and data.tar.gz unconditionally, another one picked up by...
Glenn L McGrath [Wed, 3 Oct 2001 03:10:35 +0000 (03:10 -0000)]
Extract control.tar.gz and data.tar.gz unconditionally, another one picked up by Stefan

23 years agoFix large file support -- 2+ gig files should now actually
Eric Andersen [Tue, 2 Oct 2001 07:58:23 +0000 (07:58 -0000)]
Fix large file support -- 2+ gig files should now actually
work this time...
 -Erik

23 years agoUse port 37 by default.
Matt Kraai [Mon, 1 Oct 2001 17:52:14 +0000 (17:52 -0000)]
Use port 37 by default.

23 years agoUse xgethostbyname instead of gethostbyname (found by Erik Andersen).
Matt Kraai [Mon, 1 Oct 2001 17:50:25 +0000 (17:50 -0000)]
Use xgethostbyname instead of gethostbyname (found by Erik Andersen).

23 years agoFix return status, picked up by Stefan
Glenn L McGrath [Sat, 29 Sep 2001 03:34:38 +0000 (03:34 -0000)]
Fix return status, picked up by Stefan

23 years agouse the pedantically correct compiler for preprocessing
Eric Andersen [Wed, 26 Sep 2001 06:20:54 +0000 (06:20 -0000)]
use the pedantically correct compiler for preprocessing

23 years agoAdd Cachier.
Matt Kraai [Mon, 24 Sep 2001 22:44:52 +0000 (22:44 -0000)]
Add Cachier.

23 years agoList full path instead of relative path if prefix is specified (this was supposed...
Glenn L McGrath [Mon, 24 Sep 2001 18:34:06 +0000 (18:34 -0000)]
List full path instead of relative path if prefix is specified (this was supposed to be in last patch)

23 years agoThe <package>.list file was prepending "./" to the files, fixed that.
Glenn L McGrath [Sat, 22 Sep 2001 04:16:55 +0000 (04:16 -0000)]
The <package>.list file was prepending "./" to the files, fixed that.
Also fixed a very silly error by me when running postinst (remember to use the variable BEFORE its freed)

23 years agoDont free everytime getline() is used, fix from Stefan Soucek
Glenn L McGrath [Sat, 22 Sep 2001 03:24:07 +0000 (03:24 -0000)]
Dont free everytime getline() is used, fix from Stefan Soucek

23 years agoFix tftp usage information (closes: #1216).
Matt Kraai [Fri, 21 Sep 2001 14:42:30 +0000 (14:42 -0000)]
Fix tftp usage information (closes: #1216).

23 years agoEliminate ldconfig which is no longer built by
Eric Andersen [Fri, 21 Sep 2001 06:05:35 +0000 (06:05 -0000)]
Eliminate ldconfig which is no longer built by
default (or needed) with uClibc.

23 years agoFix to make preinst run when required, from Stefan Soucek
Glenn L McGrath [Fri, 21 Sep 2001 05:07:47 +0000 (05:07 -0000)]
Fix to make preinst run when required, from Stefan Soucek

23 years agoImplement dpkg -l option, from Stefan Soucek (slightly modified)
Glenn L McGrath [Fri, 21 Sep 2001 04:30:51 +0000 (04:30 -0000)]
Implement dpkg -l option, from Stefan Soucek (slightly modified)

23 years agocloses bug#1215?
Tim Riker [Sun, 16 Sep 2001 02:00:09 +0000 (02:00 -0000)]
closes bug#1215?

23 years agoCommit my changes to xxreadtoken() to reduce code size. Also set defines
Manuel Novoa III [Tue, 11 Sep 2001 01:14:02 +0000 (01:14 -0000)]
Commit my changes to xxreadtoken() to reduce code size.  Also set defines
so that the table implementations of copynode, calcsize, and cmdtxt are
used.  Hopefully this will result in wider testing.  ;-)  If it breaks,
just unset the appropriate defines.

23 years agoCommit my changes to arith.c which fixed a couple of bugs and decreased
Manuel Novoa III [Tue, 11 Sep 2001 01:11:31 +0000 (01:11 -0000)]
Commit my changes to arith.c which fixed a couple of bugs and decreased
code size.  Please read the TODO comments regarding accessing shell
variables from the arith() funciton.

23 years agoFix my email address.
Eric Andersen [Sat, 8 Sep 2001 20:52:33 +0000 (20:52 -0000)]
Fix my email address.

23 years agoLineo is no longer sponsoring busybox
Eric Andersen [Sat, 8 Sep 2001 20:47:19 +0000 (20:47 -0000)]
Lineo is no longer sponsoring busybox

23 years agodefine IFS_BROKEN
Eric Andersen [Thu, 6 Sep 2001 18:00:41 +0000 (18:00 -0000)]
define IFS_BROKEN

23 years agoPatch from vodz to make ash cope with leading redirections
Eric Andersen [Thu, 6 Sep 2001 17:35:20 +0000 (17:35 -0000)]
Patch from vodz to make ash cope with leading redirections
(i.e. '2>/dev/null ls rubbish') will now work.

23 years agoTwo patches from Magick <magick@linux-fan.com>:
Eric Andersen [Wed, 5 Sep 2001 20:18:15 +0000 (20:18 -0000)]
Two patches from Magick <magick@linux-fan.com>:
    1st makes init smaller, and fixes a bug with AskFirst. Reading from
    /dev/null gives EOF.
    2nd makes init run the command's in the order of inittab, as in
    FIFO instead of LIFO.

23 years agoAnother fix from vodz
Eric Andersen [Wed, 5 Sep 2001 19:32:00 +0000 (19:32 -0000)]
Another fix from vodz

23 years agoDon't automount things as "usbdevfs" -- patch from
Eric Andersen [Mon, 3 Sep 2001 16:49:25 +0000 (16:49 -0000)]
Don't automount things as "usbdevfs" -- patch from
Ethan Benson <erbenson@alaska.net>

23 years agoAdd -p support.
Matt Kraai [Wed, 29 Aug 2001 21:18:47 +0000 (21:18 -0000)]
Add -p support.

23 years agoSUSv2 specifies that if the extension is identical to the basename, it
Matt Kraai [Wed, 29 Aug 2001 20:19:29 +0000 (20:19 -0000)]
SUSv2 specifies that if the extension is identical to the basename, it
should not be removed.

23 years agoStandard typing (u_int16_t instead of u16, u_int32_t instead
Eric Andersen [Wed, 29 Aug 2001 19:02:26 +0000 (19:02 -0000)]
Standard typing (u_int16_t instead of u16, u_int32_t instead
of u32, etc) cleanups from Laurence Anderson <laurence@zxmail.com>

23 years agoUse the correct buffer when calling dirname, improve an error message, and
Matt Kraai [Tue, 28 Aug 2001 22:57:38 +0000 (22:57 -0000)]
Use the correct buffer when calling dirname, improve an error message, and
plug some memory leaks.  Patch by Laurence Anderson.

23 years agoAdd "DutNux"
Eric Andersen [Mon, 27 Aug 2001 19:22:44 +0000 (19:22 -0000)]
Add "DutNux"

23 years agoRemove traces of rpmunpack (patch by Laurence Anderson).
Matt Kraai [Mon, 27 Aug 2001 18:55:10 +0000 (18:55 -0000)]
Remove traces of rpmunpack (patch by Laurence Anderson).

23 years agopatch from vodz -- route cleanup to display all route entries
Eric Andersen [Mon, 27 Aug 2001 17:57:27 +0000 (17:57 -0000)]
patch from vodz -- route cleanup to display all route entries

23 years agoAdd support for `busybox --help APPLET' by Vladimir Oleynik.
Matt Kraai [Mon, 27 Aug 2001 17:19:38 +0000 (17:19 -0000)]
Add support for `busybox --help APPLET' by Vladimir Oleynik.

23 years agoFix ash exec (noted by Arne Bernin).
Matt Kraai [Mon, 27 Aug 2001 15:08:57 +0000 (15:08 -0000)]
Fix ash exec (noted by Arne Bernin).

23 years agoFix invocation of `-/bin/sh' (bug #1209).
Matt Kraai [Mon, 27 Aug 2001 15:02:32 +0000 (15:02 -0000)]
Fix invocation of `-/bin/sh' (bug #1209).

23 years agoEliminate improper consts and allow standard version to override.
Matt Kraai [Fri, 24 Aug 2001 20:35:45 +0000 (20:35 -0000)]
Eliminate improper consts and allow standard version to override.

23 years agoCanonicalize dirname(3) behavior.
Matt Kraai [Fri, 24 Aug 2001 19:51:54 +0000 (19:51 -0000)]
Canonicalize dirname(3) behavior.

23 years agoFix a memory leak if parent directory creation failed.
Matt Kraai [Fri, 24 Aug 2001 19:07:31 +0000 (19:07 -0000)]
Fix a memory leak if parent directory creation failed.

23 years agoFix s/[/]// handling (noted by Dumas Patrice).
Matt Kraai [Fri, 24 Aug 2001 14:45:50 +0000 (14:45 -0000)]
Fix s/[/]// handling (noted by Dumas Patrice).

23 years agoMerge with the stable branch 0_60_1
Eric Andersen [Thu, 23 Aug 2001 22:05:55 +0000 (22:05 -0000)]
Merge with the stable branch

23 years agoA patch from Jaspreet Singh <jsingh@somanetworks.com>
Eric Andersen [Thu, 23 Aug 2001 22:05:33 +0000 (22:05 -0000)]
A patch from Jaspreet Singh <jsingh@somanetworks.com>
fixing both a segfault and cosmetic bug in route

23 years agoA patch from Shu-Hao Chang <shuhao_chang@trend.com.tw> to
Eric Andersen [Wed, 22 Aug 2001 05:58:16 +0000 (05:58 -0000)]
A patch from Shu-Hao Chang <shuhao_chang@trend.com.tw> to
fixed sed handling of multiple -e commands

23 years agoForce BB_FEATURE_NEW_MODULE_INTERFACE and BB_FEATURE_OLD_MODULE_INTERFACE
Eric Andersen [Wed, 22 Aug 2001 05:41:57 +0000 (05:41 -0000)]
Force BB_FEATURE_NEW_MODULE_INTERFACE and BB_FEATURE_OLD_MODULE_INTERFACE
to be mutually exclusive

23 years agoAdd #include <sys/param.h> to ensure PATH_MAX is defined
Eric Andersen [Wed, 22 Aug 2001 05:35:39 +0000 (05:35 -0000)]
Add #include <sys/param.h> to ensure PATH_MAX is defined

23 years agoFix a warning and potential segfault in lash when BB_FEATURE_CLEAN_UP
Eric Andersen [Wed, 22 Aug 2001 05:32:24 +0000 (05:32 -0000)]
Fix a warning and potential segfault in lash when BB_FEATURE_CLEAN_UP
is enabled

23 years agoFix an _old_ interface problem with a never-used feature.
Eric Andersen [Wed, 22 Aug 2001 05:26:08 +0000 (05:26 -0000)]
Fix an _old_ interface problem with a never-used feature.

23 years agoScrub things and ditch uint64_t and use a custom type name
Eric Andersen [Wed, 22 Aug 2001 05:06:29 +0000 (05:06 -0000)]
Scrub things and ditch uint64_t and use a custom type name
to avoid C lib compatibility problems.

23 years agoBump version to 0.61.pre
Eric Andersen [Wed, 22 Aug 2001 04:16:36 +0000 (04:16 -0000)]
Bump version to 0.61.pre

23 years agoPatch from Rodney Brown <RDBrown@mira.net>, shrinking 1.5k
Eric Andersen [Wed, 22 Aug 2001 04:15:47 +0000 (04:15 -0000)]
Patch from Rodney Brown  <RDBrown@mira.net>, shrinking 1.5k
from gzip by careful optimization.  Appears to work just fine
(I've tested the changes on x86, ARM, and powerpc).

23 years agoMake it compile with uClibc
Eric Andersen [Wed, 22 Aug 2001 00:10:00 +0000 (00:10 -0000)]
Make it compile with uClibc

23 years agodfp might be used uninitialized. NULL it.
Eric Andersen [Tue, 21 Aug 2001 23:36:32 +0000 (23:36 -0000)]
dfp might be used uninitialized.  NULL it.

23 years agoDisable the tinylogin apps by default.
Eric Andersen [Tue, 21 Aug 2001 23:34:10 +0000 (23:34 -0000)]
Disable the tinylogin apps by default.

23 years agoFix dos2unix compile problem with certain glibc versions
Eric Andersen [Tue, 21 Aug 2001 22:34:05 +0000 (22:34 -0000)]
Fix dos2unix compile problem with certain glibc versions

23 years agoInitial merge of all tinylogin applets that do not require crypt.
Eric Andersen [Tue, 21 Aug 2001 16:18:59 +0000 (16:18 -0000)]
Initial merge of all tinylogin applets that do not require crypt.
There is some optimization that can be done to better use libbb in
these applets.  There is also redundancy between stty and getty which
could be eliminated.
 -Erik

23 years agoFix a problem with unsatisfied backrefs (noted by Martin Bene).
Matt Kraai [Mon, 20 Aug 2001 21:21:06 +0000 (21:21 -0000)]
Fix a problem with unsatisfied backrefs (noted by Martin Bene).

23 years agosome minor wording changes
Eric Andersen [Mon, 20 Aug 2001 17:48:17 +0000 (17:48 -0000)]
some minor wording changes

23 years agoApply Glenn's tftp rewrite
Eric Andersen [Mon, 20 Aug 2001 17:47:49 +0000 (17:47 -0000)]
Apply Glenn's tftp rewrite

23 years agoFix version comparision bug
Glenn L McGrath [Wed, 15 Aug 2001 11:25:01 +0000 (11:25 -0000)]
Fix version comparision bug

23 years agoLog all messages from a single connection, not just the first. Patch from
Matt Kraai [Tue, 14 Aug 2001 17:32:23 +0000 (17:32 -0000)]
Log all messages from a single connection, not just the first.  Patch from
matthias@corelatus.com, approved by Gennady Feldman <gena01@cachier.com>.

23 years agoRewritten by Manuel Novoa III.
Matt Kraai [Tue, 14 Aug 2001 17:10:08 +0000 (17:10 -0000)]
Rewritten by Manuel Novoa III.

23 years agoI stupidly forgot one level of pointer indirection in the cmdtxt(), calcsize(),
Manuel Novoa III [Sun, 12 Aug 2001 17:32:56 +0000 (17:32 -0000)]
I stupidly forgot one level of pointer indirection in the cmdtxt(), calcsize(),
and copynode() table implementations.  Commit the fix but keep them disabled
until others check them out.  Uncomment "//#define CMDTXT_TABLE",
"//#define CALCSIZE_TABLE", and "//#define COPYNODE_TABLE" to try them out.
Saves over 600 bytes on i386.

23 years agoFix a merging error
Eric Andersen [Fri, 10 Aug 2001 21:11:56 +0000 (21:11 -0000)]
Fix a merging error

23 years agoA few bug fixes and significant size savings. Combined effort of
Manuel Novoa III [Fri, 10 Aug 2001 19:36:07 +0000 (19:36 -0000)]
A few bug fixes and significant size savings.  Combined effort of
Vladimir N. Oleynik dzo@simtreas.ru, Aaron Lehmann aaronl@vitelus.com,
and myself.

23 years agoSmall size optimization from Aaron Lehmann
Eric Andersen [Fri, 10 Aug 2001 18:42:04 +0000 (18:42 -0000)]
Small size optimization from Aaron Lehmann

23 years agoFix stupid grammar error.
Eric Andersen [Fri, 10 Aug 2001 15:22:35 +0000 (15:22 -0000)]
Fix stupid grammar error.

23 years agoCommit Vladimir's simplify_path.
Matt Kraai [Fri, 10 Aug 2001 15:05:27 +0000 (15:05 -0000)]
Commit Vladimir's simplify_path.

23 years agoThis corrects the _really_poor_ implementation of "broadcast +" handling
Manuel Novoa III [Fri, 10 Aug 2001 06:02:23 +0000 (06:02 -0000)]
This corrects the _really_poor_ implementation of "broadcast +" handling
by ifconfig that someone had submitted.  It fixes 1 bug, gets rid of the
excessive bloating of a structure that is used in a static const array,
and removes the implicit struct copys by keeping only the int type needed.
It also turns this into a configurable feature (off by default).

23 years agoRemind people to enable RPC support when using NFS mount and uClibc (thanks
Matt Kraai [Thu, 9 Aug 2001 21:07:10 +0000 (21:07 -0000)]
Remind people to enable RPC support when using NFS mount and uClibc (thanks
to David Douthitt).

23 years agoRemove BB_SH define entirely.
Matt Kraai [Thu, 9 Aug 2001 21:00:15 +0000 (21:00 -0000)]
Remove BB_SH define entirely.

23 years agoUse ferror(3) to check for errors, rather than inspecting errno. Thanks to
Matt Kraai [Mon, 6 Aug 2001 16:09:09 +0000 (16:09 -0000)]
Use ferror(3) to check for errors, rather than inspecting errno.  Thanks to
David Douthitt for reporting, and shame on me for writing such crappy code.

23 years agoSimplified version checking.
Matt Kraai [Mon, 6 Aug 2001 14:18:08 +0000 (14:18 -0000)]
Simplified version checking.

23 years agoAdd support for underscores in variable names.
Matt Kraai [Mon, 6 Aug 2001 14:14:18 +0000 (14:14 -0000)]
Add support for underscores in variable names.

23 years agoFix exclude list handling
Glenn L McGrath [Sat, 4 Aug 2001 05:28:29 +0000 (05:28 -0000)]
Fix exclude list handling

23 years agoFix up some silly messups with the debian packaging, and a dumb 0_60_0
Eric Andersen [Thu, 2 Aug 2001 20:56:16 +0000 (20:56 -0000)]
Fix up some silly messups with the debian packaging, and a dumb
bug with chroot.  I've had the package uploaded but perms set to
000, so I am going to re-tag things and re-cut the release.  Folks
who pulled from CVS in the last 30 minutes with just have to cope.
 -Erik

23 years agoFix misspelling of `stabilize'.
Matt Kraai [Thu, 2 Aug 2001 20:34:24 +0000 (20:34 -0000)]
Fix misspelling of `stabilize'.

23 years agoOk, here we go...
Eric Andersen [Thu, 2 Aug 2001 19:31:08 +0000 (19:31 -0000)]
Ok, here we go...

23 years agoCommit NMU changelog.
Matt Kraai [Thu, 2 Aug 2001 15:12:16 +0000 (15:12 -0000)]
Commit NMU changelog.

23 years agoMore libc5 fixups
Eric Andersen [Thu, 2 Aug 2001 10:55:32 +0000 (10:55 -0000)]
More libc5 fixups
 -Erik

23 years agoSome libc5 cleanups
Eric Andersen [Thu, 2 Aug 2001 09:58:41 +0000 (09:58 -0000)]
Some libc5 cleanups

23 years agomake_directory used mode as if it were an signed entity, but in fact
Eric Andersen [Thu, 2 Aug 2001 09:58:19 +0000 (09:58 -0000)]
make_directory used mode as if it were an signed entity, but in fact
it was a mode_t which is unsigned.  Fix it to be signed...
 -Erik

23 years agoTeach libc5 about realpath
Eric Andersen [Thu, 2 Aug 2001 09:55:58 +0000 (09:55 -0000)]
Teach libc5 about realpath
 -Erik

23 years agoTeach libc5 what a sighandler_t is
Eric Andersen [Thu, 2 Aug 2001 09:52:40 +0000 (09:52 -0000)]
Teach libc5 what a sighandler_t is
 -Erik

23 years agomultibuild.pl saves us again. unix2dos requires that dos2unix
Eric Andersen [Thu, 2 Aug 2001 09:21:17 +0000 (09:21 -0000)]
multibuild.pl saves us again.  unix2dos requires that dos2unix
be enabled.
 -Erik

23 years agoOk, if no shell is enabled, don't include any of the SH_IS_<name>
Eric Andersen [Thu, 2 Aug 2001 08:48:03 +0000 (08:48 -0000)]
Ok, if no shell is enabled, don't include any of the SH_IS_<name>
options or the build will fail
 -Erik

23 years agoScrub away the last leftovers from BB_FEATURE_<shell>. Good thing
Eric Andersen [Thu, 2 Aug 2001 08:42:58 +0000 (08:42 -0000)]
Scrub away the last leftovers from BB_FEATURE_<shell>.  Good thing
for multibuild.pl -- I would have missed this stupid mess otherwise.
 -Erik

23 years agoPatch from Robert J. Osborne <rj@resourceinternational.com> that fixes
Eric Andersen [Thu, 2 Aug 2001 05:26:41 +0000 (05:26 -0000)]
Patch from Robert J. Osborne <rj@resourceinternational.com> that fixes
a bug in vi where the beginning of the text space was not checked
before dot is decremented for delete and escape sequences on an empty
file.

23 years agoOops. I forgot to commit this part of vodz' patch.
Eric Andersen [Thu, 2 Aug 2001 05:18:55 +0000 (05:18 -0000)]
Oops.  I forgot to commit this part of vodz' patch.

23 years agoLatest patch from vodz. Adds a check for divide by zero in the posix
Eric Andersen [Thu, 2 Aug 2001 05:02:46 +0000 (05:02 -0000)]
Latest patch from vodz.  Adds a check for divide by zero in the posix
math suport, cleaner math syntax error checking, moves redundant signal
string tables (from kill and ash) into libbb and provides a few
cleanups elsewhere.

23 years agoAllow multiple shells to be enabled.
Matt Kraai [Wed, 1 Aug 2001 17:21:35 +0000 (17:21 -0000)]
Allow multiple shells to be enabled.

23 years agoFix behavior of grep -lc to match GNU grep. SuS2 is ambiguous
Eric Andersen [Tue, 31 Jul 2001 23:18:49 +0000 (23:18 -0000)]
Fix behavior of grep -lc to match GNU grep.  SuS2 is ambiguous
on the correct behavior, so acting like GNU grep seems best
 -Erik