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List:       ntp-bugs
Subject:    [ntp:bugs] [Bug 739] New: ntpd expects an argument to the '-x'
From:       bugzilla () ntp ! isc ! org
Date:       2006-11-20 14:32:13
Message-ID: 20061120143213.D6C57398A3 () ntp2 ! ntp ! isc ! org
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http://bugs.ntp.isc.org/739

           Summary: ntpd expects an argument to the '-x' command line option
           Product: ntp
           Version: 4.2.3
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: ntpd
        AssignedTo: stenn@ntp.org
        ReportedBy: Juergen.Salm@siemens.com
                CC: bugs@ntp.isc.org


According to the documentation (and according to all older versions), the '-x' 
command line option of ntpd has no arguments.

However, in ntpd-opts.c the following is specified.

   366  /*
   367   *  Slew option description:
   368   */
   369  tSCC    zSlewText[] =
   370          "Slew up to 600 seconds";
   371  tSCC    zSlew_NAME[]               = "SLEW";
   372  tSCC    zSlew_Name[]               = "slew";
   373  #define SLEW_FLAGS       (OPTST_DISABLED \
   374          | OPTST_SET_ARGTYPE(OPARG_TYPE_STRING))

Hmm ... a string argument? Well this leads to the following effects

tcsh% ntpd -\?
...
   -x Str slew           Slew up to 600 seconds
...

tcsh% ntpd -d -x
ntpd: option `slew' requires an argument

'ntpd -x -d' doesn't go into debug mode.

Strange enough, 'ntpd -x' alone works. ;-)

Well the following modification makes the '-x' option work as expected.

diff -r ntp-dev-4.2.3p64-RC/ntpd/ntpd-opts.c ntp-dev-4.2.3p64-RC-
modified_Salm/ntpd/ntpd-opts.c
373,374c373
< #define SLEW_FLAGS       (OPTST_DISABLED \
<         | OPTST_SET_ARGTYPE(OPARG_TYPE_STRING))
---
> #define SLEW_FLAGS       (OPTST_DISABLED)

PS: I know that the actual file to change is ntpdbase-opts.def. However, when I 
change this file, make ends in a 

make[2]: Entering directory `/home/salm/usr/pd/ntp-dev-4.2.3p65-RC/ntpd'
cd . && autogen -L ../include ntpd-opts.def
/bin/sh: autogen: command not found
make[2]: *** [ntpd-opts.c] Error 127

;-(

Bye
	Juergen

-- 
Juergen Salm <Juergen.Salm@siemens.com>



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