/* * Disktest * Copyright (c) International Business Machines Corp., 2001 * * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Please send e-mail to yardleyb@us.ibm.com if you have * questions or comments. * * Project Website: TBD * * * $Id: Getopt.c,v 1.5 2008/02/14 08:22:22 subrata_modak Exp $ * $Log: Getopt.c,v $ * Revision 1.5 2008/02/14 08:22:22 subrata_modak * Disktest application update to version 1.4.2, by, Brent Yardley <yardleyb@us.ibm.com> * * Revision 1.4 2002/03/30 01:32:14 yardleyb * Major Changes: * * Added Dumping routines for * data miscompares, * * Updated performance output * based on command line. Gave * one decimal in MB/s output. * * Rewrote -pL IO routine to show * correct stats. Now show pass count * when using -C. * * Minor Changes: * * Code cleanup to remove the plethera * if #ifdef for windows/unix functional * differences. * * Revision 1.3 2002/02/21 21:32:19 yardleyb * Added more unix compatability * ifdef'd function out when * compiling for unix env. that * have getopt * * Revision 1.2 2002/02/04 20:35:38 yardleyb * Changed max. number of threads to 64k. * Check for max threads in parsing. * Fixed windows getopt to return correctly * when a bad option is given. * Update time output to be in the format: * YEAR/MONTH/DAY-HOUR:MIN:SEC * instead of epoch time. * * Revision 1.1 2001/12/04 18:57:36 yardleyb * This source add for windows compatability only. * */ #ifdef WINDOWS #include <stdio.h> #include <stddef.h> #include <ctype.h> #include <string.h> #include "getopt.h" /* * * FUNCTION: getopt() * * Get next command line option and parameter * source gathered from MS examples and modified * to conform with unix like getopt. * */ /* Global Exportable */ int optind; char *optarg; int getopt(int argc, char **argv, char *pszValidOpts) { char chOpt; char *psz = NULL; char *pszParam = NULL; static int iArg = 1; if (iArg < argc) { psz = &(argv[iArg][0]); if (*psz == '-' || *psz == '/') { /* we have an option specifier */ chOpt = argv[iArg][1]; if (isalnum(chOpt) || ispunct(chOpt)) { /* we have an option character */ psz = strchr(pszValidOpts, chOpt); if (psz != NULL) { /* option is valid, we want to return chOpt */ if (psz[1] == ':') { /* option can have a parameter */ psz = &(argv[iArg][2]); if (*psz == '\0') { /* must look at next argv for param */ if (iArg + 1 < argc) { psz = &(argv [iArg + 1][0]); if (*psz == '-' || *psz == '/') { /* next argv is a new option, so param * not given for current option */ fprintf (stderr, "-%c option requires an argument.\n", chOpt); chOpt = '?'; pszParam = NULL; } else { /* next argv is the param */ iArg++; pszParam = psz; } } else { /* reached end of args looking for param */ } } else { /* param is attached to option */ pszParam = psz; } } else { /* option is alone, has no parameter */ } } else { /* option specified is not in list of valid options */ fprintf(stderr, "Invalid option -- %c\n", chOpt); chOpt = '?'; pszParam = NULL; } } else { /* though option specifier was given, option character * is not alpha or was was not specified */ chOpt = 0; pszParam = &(argv[iArg][0]); } } else { /* standalone arg given with no option specifier */ chOpt = -1; pszParam = &(argv[iArg][0]); } } else { /* end of argument list */ chOpt = -1; } optind = iArg++; optarg = pszParam; return (chOpt); } #endif /* defined WINDOWS */