Re: [PATCH 2/2] nfsidmap: Added -v flag

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Steve Dickson wrote:

  
  
  On 11/10/2011 04:11 PM, Jim Rees wrote:
  > Steve Dickson wrote:
  > 
  >   To aid in debugging, the -v flag can now be specified
  >   on the command to enable verbose logging in both
  >   the nfsidmap command and libnfsidmap library routines.
  >   
  >   Signed-off-by: Steve Dickson <steved@xxxxxxxxxx>
  >   ---
  >    utils/nfsidmap/nfsidmap.c   |   12 ++++++++++++
  >    utils/nfsidmap/nfsidmap.man |   15 ++++++++++++---
  >    2 files changed, 24 insertions(+), 3 deletions(-)
  >   
  >   diff --git a/utils/nfsidmap/nfsidmap.c b/utils/nfsidmap/nfsidmap.c
  >   index 134d9bc..d74189a 100644
  >   --- a/utils/nfsidmap/nfsidmap.c
  >   +++ b/utils/nfsidmap/nfsidmap.c
  >   @@ -12,6 +12,7 @@
  >    #include <syslog.h>
  >    #include "xlog.h"
  >    
  >   +int verbose = 0;
  >    /* gcc nfsidmap.c -o nfsidmap -l nfsidmap -l keyutils */
  >    
  >    #define MAX_ID_LEN   11
  >   @@ -108,6 +109,12 @@ int main(int argc, char **argv)
  >    	xlog_syslog(1);
  >    	xlog_stderr(0);
  >    
  >   +	if (argc > 1 && strcmp(argv[1], "-v") == 0) {
  >   +		verbose = 1;
  >   +		nfs4_set_debug(1, NULL);
  >   +		argc--, argv++;
  >   +	}
  >   +
  > 
  > Ugh.  Is there some reason not to use getopt() like all the other utils do?
  I was waiting for this comment ;-)

I'm always happy to play your straight man.

  I decided to go with how the command was originally written
  because this command is only call from the kernel so a user
  should execute it (except for debugging).  
  
  The arguments are vary static on where they need to be
  no command line. So its either going to work or not,
  which means there is no real need for a usage error (expect
  for the one I added). 
  
  Finally, is there real need for a while loop and switch statement 
  for on simple case? I thought not...

It's more work for the next guy who comes along and wants to add another
option, especially if the new option takes an argument.
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