CMDL_ARG.CPP
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上传日期:2007-02-01
资源大小:53269k
文件大小:3k
源码类别:
操作系统开发
开发平台:
C/C++
- /*
- FIPS - the First nondestructive Interactive Partition Splitting program
- Module cmdl_arg.cpp
- RCS - Header:
- $Header: c:/daten/fips/source/main/RCS/cmdl_arg.cpp 1.4 1995/01/19 00:00:51 schaefer Exp schaefer $
- Copyright (C) 1993 Arno Schaefer
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- Report problems and direct all questions to:
- schaefer@rbg.informatik.th-darmstadt.de
- */
- #include <stdio.h>
- #include <ctype.h>
- #include <string.h>
- #include <stdlib.h>
- #include "global.h"
- #include "getopt.h"
- /* ----------------------------------------------------------------------- */
- /* Replacement for atoi */
- /* ----------------------------------------------------------------------- */
- static int atoint (char *string)
- {
- long int value = 0;
- while (isdigit (*string))
- {
- value = value * 10 + (*string - '0');
- if (value > 32767) return (-1);
- string++;
- }
- if (*string != ' ') return (-1);
- return (int) value;
- }
- /* ----------------------------------------------------------------------- */
- /* Usage instructions */
- /* ----------------------------------------------------------------------- */
- static void usage (void)
- {
- printf ("nFIPS [-t] [-d] [-h|-?] [-n<num>]:nn");
- printf ("-t : test mode (no writes to disk)n");
- printf ("-d : debug moden");
- printf ("-h/-? : this help pagen");
- printf ("-n<num> : select drive <num> - valid values: 128 to 255n");
- }
- /* ----------------------------------------------------------------------- */
- /* Process commandline parameters */
- /* ----------------------------------------------------------------------- */
- void evaluate_argument_vector (int argc, char *argv[])
- {
- int c;
- opterr = 0;
- while ((c = getopt (argc, argv, ":htdn:")) >= 0)
- {
- switch (c)
- {
- case 't':
- global.test_mode = true;
- break;
- case 'd':
- global.debug_mode = true;
- break;
- case 'h':
- usage ();
- exit (1);
- case 'n':
- global.drive_number_cmdline = atoint (optarg);
- if
- (
- global.drive_number_cmdline < 0x80
- || global.drive_number_cmdline > 0xff
- )
- {
- fprintf
- (
- stderr,
- "nInvalid argument: %sn",
- optarg
- );
- usage ();
- exit (-1);
- }
- break;
- case ':':
- fprintf
- (
- stderr,
- "nSwitch %c requires an argumentn",
- optopt
- );
- usage ();
- exit (-1);
- case '?':
- if (optopt != '?')
- fprintf
- (
- stderr,
- "nInvalid Commandline Parameter: %sn",
- argv[optind - 1]
- );
- usage ();
- exit (-1);
- } /* switch */
- } /* while */
- }