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/******************************************************************************
**
** mycopy3_clp.c
**
** Thu Mar 22 20:21:06 2012
** Linux 2.6.36 (#6 Sun Jun 5 09:23:00 CEST 2011) i686
** linux@mgpc (Michael Geng)
**
** C file for command line parser
**
** Automatically created by genparse v0.9.0
**
** See http://genparse.sourceforge.net for details and updates
**
******************************************************************************/
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "mycopy3_clp.h"
static struct option const long_options[] =
{
{"iterations", required_argument, NULL, 'i'},
{"outfile", required_argument, NULL, 'o'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'v'},
{NULL, 0, NULL, 0}
};
/*----------------------------------------------------------------------------
**
** Cmdline ()
**
** Parse the argv array of command line parameters
**
**--------------------------------------------------------------------------*/
void Cmdline (struct arg_t *my_args, int argc, char *argv[])
{
extern char *optarg;
extern int optind;
int c;
int errflg = 0;
my_args->i = 1;
my_args->o = NULL;
my_args->h = false;
my_args->v = false;
optind = 0;
while ((c = getopt_long (argc, argv, "i:o:hv", long_options, &optind)) != - 1)
{
switch (c)
{
case 'i':
my_args->i = atoi (optarg);
if (my_args->i < 0)
{
fprintf (stderr, "parameter range error: i must be >= 0\n");
errflg++;
}
break;
case 'o':
my_args->o = optarg;
break;
case 'h':
my_args->h = true;
usage (EXIT_SUCCESS, argv[0]);
break;
case 'v':
my_args->v = true;
break;
default:
usage (EXIT_FAILURE, argv[0]);
}
} /* while */
if (errflg)
usage (EXIT_FAILURE, argv[0]);
if (optind >= argc)
my_args->optind = 0;
else
my_args->optind = optind;
}
/*----------------------------------------------------------------------------
**
** usage ()
**
** Print out usage information, then exit
**
**--------------------------------------------------------------------------*/
void usage (int status, char *program_name)
{
if (status != EXIT_SUCCESS)
fprintf (stderr, "Try `%s --help' for more information.\n",
program_name);
else
{
printf ("\
usage: %s [ -iohv ] file\n\
Print a file for a number of times to stdout.\n\
[ -i ] [ --iterations ] (type=INTEGER, range=0..., default=1)\n\
Number of times to output <file>.\n\
File should be text format!\n\
[ -o ] [ --outfile ] (type=STRING)\n\
Output file name.\n\
[ -h ] [ --help ] (type=FLAG)\n\
Display this help and exit.\n\
[ -v ] [ --version ] (type=FLAG)\n\
Output version information and exit.\n", program_name);
}
exit (status);
}
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