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/******************************************************************************
**
** wc_clp.c
**
** C file for command line parser
**
** Automatically created by genparse v0.8.1
**
** See http://genparse.sourceforge.net for details and updates
**
******************************************************************************/
#include <string.h>
#include <stdlib.h>
#include <getopt.h>
#include "wc_clp.h"
static struct option const long_options[] =
{
{"bytes", no_argument, NULL, 'c'},
{"chars", no_argument, NULL, 'm'},
{"lines", no_argument, NULL, 'l'},
{"files0-from", required_argument, NULL, 256},
{"max-line-length", no_argument, NULL, 'L'},
{"words", no_argument, NULL, 'w'},
{"help", no_argument, NULL, 257},
{"version", no_argument, NULL, 258},
{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->bytes = false;
my_args->chars = false;
my_args->lines = false;
my_args->files0_from = NULL;
my_args->max_line_length = false;
my_args->words = false;
my_args->help = false;
my_args->version = false;
optind = 0;
while ((c = getopt_long (argc, argv, "cmlLw", long_options, &optind)) != - 1)
{
switch (c)
{
case 'c':
my_args->bytes = true;
break;
case 'm':
my_args->chars = true;
break;
case 'l':
my_args->lines = true;
break;
case 256:
my_args->files0_from = optarg;
break;
case 'L':
my_args->max_line_length = true;
break;
case 'w':
my_args->words = true;
break;
case 257:
my_args->help = true;
usage (EXIT_SUCCESS, argv[0]);
break;
case 258:
my_args->version = 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 [OPTION]... [FILE]...\n\
or: %s [OPTION]... --files0-from=F\n"), program_name, program_name);
puts (_("\
Print newline, word, and byte counts for each FILE, and a total line if\n\
more than one FILE is specified. With no FILE, or when FILE is -,\n\
read standard input.\n\
-c, --bytes print the byte counts\n\
-m, --chars print the character counts\n\
-l, --lines print the newline counts"));
puts (_("\
--files0-from=F read input from the files specified by\n\
NUL-terminated names in file F\n\
-L, --max-line-length print the length of the longest line\n\
-w, --words print the word counts"));
puts (_("\
--help display this help and exit"));
puts (_("\
--version output version information and exit"));
emit_bug_reporting_address ();
}
exit (status);
}
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