add directory Minix
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138
Minix/1.7.5/DOSUTILS/FIPS/SOURCE/CMDL_ARG.CPP
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138
Minix/1.7.5/DOSUTILS/FIPS/SOURCE/CMDL_ARG.CPP
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/*
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FIPS - the First nondestructive Interactive Partition Splitting program
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Module cmdl_arg.cpp
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RCS - Header:
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$Header: c:/daten/fips/source/main/RCS/cmdl_arg.cpp 1.4 1995/01/19 00:00:51 schaefer Exp schaefer $
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Copyright (C) 1993 Arno Schaefer
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Report problems and direct all questions to:
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schaefer@rbg.informatik.th-darmstadt.de
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*/
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include "global.h"
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#include "getopt.h"
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/* ----------------------------------------------------------------------- */
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/* Replacement for atoi */
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/* ----------------------------------------------------------------------- */
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static int atoint (char *string)
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{
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long int value = 0;
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while (isdigit (*string))
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{
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value = value * 10 + (*string - '0');
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if (value > 32767) return (-1);
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string++;
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}
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if (*string != '\0') return (-1);
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return (int) value;
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}
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/* ----------------------------------------------------------------------- */
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/* Usage instructions */
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/* ----------------------------------------------------------------------- */
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static void usage (void)
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{
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printf ("\nFIPS [-t] [-d] [-h|-?] [-n<num>]:\n\n");
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printf ("-t : test mode (no writes to disk)\n");
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printf ("-d : debug mode\n");
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printf ("-h/-? : this help page\n");
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printf ("-n<num> : select drive <num> - valid values: 128 to 255\n");
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}
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/* ----------------------------------------------------------------------- */
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/* Process commandline parameters */
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/* ----------------------------------------------------------------------- */
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void evaluate_argument_vector (int argc, char *argv[])
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{
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int c;
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opterr = 0;
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while ((c = getopt (argc, argv, ":htdn:")) >= 0)
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{
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switch (c)
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{
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case 't':
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global.test_mode = true;
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break;
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case 'd':
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global.debug_mode = true;
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break;
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case 'h':
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usage ();
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exit (1);
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case 'n':
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global.drive_number_cmdline = atoint (optarg);
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if
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(
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global.drive_number_cmdline < 0x80
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|| global.drive_number_cmdline > 0xff
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)
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{
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fprintf
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(
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stderr,
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"\nInvalid argument: %s\n",
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optarg
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);
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usage ();
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exit (-1);
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}
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break;
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case ':':
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fprintf
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(
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stderr,
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"\nSwitch %c requires an argument\n",
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optopt
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);
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usage ();
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exit (-1);
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case '?':
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if (optopt != '?')
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fprintf
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(
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stderr,
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"\nInvalid Commandline Parameter: %s\n",
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argv[optind - 1]
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);
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usage ();
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exit (-1);
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} /* switch */
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} /* while */
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}
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