home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Aminet 52
/
Aminet 52 (2002)(GTI - Schatztruhe)[!][Dec 2002].iso
/
Aminet
/
dev
/
gg
/
gengetopt-2.6.lha
/
gengetopt-2.6
/
src
/
cmdline.c
< prev
next >
Wrap
Text File
|
2002-03-02
|
8KB
|
256 lines
/*
File autogenerated by gengetopt version 2.6
generated with the following command:
../src/gengetopt --input=cmdline.ggo --no-handle-version --no-handle-help --no-handle-error
The developers of gengetopt consider the fixed text that goes in all
gengetopt output files to be in the public domain:
we make no copyright claims on it.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* If we use autoconf. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/* Check for configure's getopt check result. */
#ifndef HAVE_GETOPT_LONG
#include "getopt.h"
#else
#include <getopt.h>
#endif
#ifndef HAVE_STRDUP
#define strdup gengetopt_strdup
#endif /* HAVE_STRDUP */
#include "cmdline.h"
void
cmdline_parser_print_version (void)
{
printf ("%s %s\n", PACKAGE, VERSION);
}
void
cmdline_parser_print_help (void)
{
cmdline_parser_print_version ();
printf("\n"
"Purpose:\n"
" This program generates a C function that uses getopt_long function\n"
" to parse the command line options, validate them and fill a struct.\n"
"\n"
"Usage: %s [OPTIONS]...\n", PACKAGE);
printf(" -h --help Print help and exit\n");
printf(" -V --version Print version and exit\n");
printf(" -iSTRING --input=STRING input file (default std input)\n");
printf(" -fSTRING --func-name=STRING name of generated function (default='cmdline_parser')\n");
printf(" -FSTRING --file-name=STRING name of generated file (default='cmdline')\n");
printf(" -l --long-help long usage line in help\n");
printf(" -u --unamed-opts accept filenames\n");
printf(" --no-handle-help do not handle --help|-h automatically\n");
printf(" --no-handle-version do not handle --version|-V automatically\n");
printf(" --no-handle-error do not exit on errors\n");
}
/* gengetopt_strdup(): automatically generated from strdup.c. */
/* strdup.c replacement of strdup, which is not standard */
static char *
gengetopt_strdup (const char *s)
{
char *result = (char*)malloc(strlen(s) + 1);
if (result == (char*)0)
return (char*)0;
strcpy(result, s);
return result;
}
int
cmdline_parser (int argc, char * const *argv, struct gengetopt_args_info *args_info)
{
int c; /* Character of the parsed option. */
int missing_required_options = 0;
args_info->help_given = 0 ;
args_info->version_given = 0 ;
args_info->input_given = 0 ;
args_info->func_name_given = 0 ;
args_info->file_name_given = 0 ;
args_info->long_help_given = 0 ;
args_info->unamed_opts_given = 0 ;
args_info->no_handle_help_given = 0 ;
args_info->no_handle_version_given = 0 ;
args_info->no_handle_error_given = 0 ;
#define clear_args() { \
args_info->input_arg = NULL; \
args_info->func_name_arg = strdup("cmdline_parser") ;\
args_info->file_name_arg = strdup("cmdline") ;\
}
clear_args();
optarg = 0;
optind = 1;
opterr = 1;
optopt = '?';
while (1)
{
int option_index = 0;
static struct option long_options[] = {
{ "help", 0, NULL, 'h' },
{ "version", 0, NULL, 'V' },
{ "input", 1, NULL, 'i' },
{ "func-name", 1, NULL, 'f' },
{ "file-name", 1, NULL, 'F' },
{ "long-help", 0, NULL, 'l' },
{ "unamed-opts", 0, NULL, 'u' },
{ "no-handle-help", 0, NULL, 0 },
{ "no-handle-version", 0, NULL, 0 },
{ "no-handle-error", 0, NULL, 0 },
{ NULL, 0, NULL, 0 }
};
c = getopt_long (argc, argv, "hVi:f:F:lu", long_options, &option_index);
if (c == -1) break; /* Exit from `while (1)' loop. */
switch (c)
{
case 'h': /* Print help and exit. */
if (args_info->help_given)
{
fprintf (stderr, "%s: `--help' (`-h') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->help_given = 1;
return 0;
case 'V': /* Print version and exit. */
if (args_info->version_given)
{
fprintf (stderr, "%s: `--version' (`-V') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->version_given = 1;
return 0;
case 'i': /* input file (default std input). */
if (args_info->input_given)
{
fprintf (stderr, "%s: `--input' (`-i') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->input_given = 1;
args_info->input_arg = strdup (optarg);
break;
case 'f': /* name of generated function. */
if (args_info->func_name_given)
{
fprintf (stderr, "%s: `--func-name' (`-f') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->func_name_given = 1;
args_info->func_name_arg = strdup (optarg);
break;
case 'F': /* name of generated file. */
if (args_info->file_name_given)
{
fprintf (stderr, "%s: `--file-name' (`-F') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->file_name_given = 1;
args_info->file_name_arg = strdup (optarg);
break;
case 'l': /* long usage line in help. */
if (args_info->long_help_given)
{
fprintf (stderr, "%s: `--long-help' (`-l') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->long_help_given = 1;
break;
case 'u': /* accept filenames. */
if (args_info->unamed_opts_given)
{
fprintf (stderr, "%s: `--unamed-opts' (`-u') option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->unamed_opts_given = 1;
break;
case 0: /* Long option with no short option */
/* do not handle --help|-h automatically. */
if (strcmp (long_options[option_index].name, "no-handle-help") == 0)
{
if (args_info->no_handle_help_given)
{
fprintf (stderr, "%s: `--no-handle-help' option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->no_handle_help_given = 1;
break;
}
/* do not handle --version|-V automatically. */
else if (strcmp (long_options[option_index].name, "no-handle-version") == 0)
{
if (args_info->no_handle_version_given)
{
fprintf (stderr, "%s: `--no-handle-version' option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->no_handle_version_given = 1;
break;
}
/* do not exit on errors. */
else if (strcmp (long_options[option_index].name, "no-handle-error") == 0)
{
if (args_info->no_handle_error_given)
{
fprintf (stderr, "%s: `--no-handle-error' option given more than once\n", PACKAGE);
clear_args ();
return (EXIT_FAILURE);
}
args_info->no_handle_error_given = 1;
break;
}
case '?': /* Invalid option. */
/* `getopt_long' already printed an error message. */
return (EXIT_FAILURE);
default: /* bug: option not considered. */
fprintf (stderr, "%s: option unknown: %c\n", PACKAGE, c);
abort ();
} /* switch */
} /* while */
if ( missing_required_options )
return (EXIT_FAILURE);
return 0;
}