255 lines
7.6 KiB
C
255 lines
7.6 KiB
C
/*
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* Copyright (c) 2003 Apple Computer, Inc. All rights reserved.
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*
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* @APPLE_LICENSE_HEADER_START@
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*
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* Copyright (c) 1999-2008 Apple Inc. All Rights Reserved.
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this
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* file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_LICENSE_HEADER_END@
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*/
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2000 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" must
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* not be used to endorse or promote products derived from this
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* software without prior written permission. For written
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* permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* nor may "Apache" appear in their name, without prior written
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* permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*
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* Portions of this software are based upon public domain software
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* originally written at the National Center for Supercomputing Applications,
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* University of Illinois, Urbana-Champaign.
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*/
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#ifdef __Win32__
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#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <stdlib.h>
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#include "SafeStdLib.h"
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#define OPTERRCOLON (1)
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#define OPTERRNF (2)
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#define OPTERRARG (3)
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char *optarg;
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int optreset = 0;
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int optind = 1;
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int opterr = 1;
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int optopt;
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static int
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optiserr(int argc, char * const *argv, int oint, const char *optstr,
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int optchr, int err)
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{
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if(opterr)
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{
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qtss_fprintf(stderr, "Error in argument %d, char %d: ", oint, optchr+1);
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switch(err)
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{
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case OPTERRCOLON:
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qtss_fprintf(stderr, ": in flags\n");
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break;
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case OPTERRNF:
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qtss_fprintf(stderr, "option not found %c\n", argv[oint][optchr]);
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break;
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case OPTERRARG:
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qtss_fprintf(stderr, "no argument for option %c\n", argv[oint][optchr]);
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break;
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default:
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qtss_fprintf(stderr, "unknown\n");
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break;
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}
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}
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optopt = argv[oint][optchr];
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return('?');
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}
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int
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getopt(int argc, char* const *argv, const char *optstr)
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{
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static int optchr = 0;
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static int dash = 0; /* have already seen the - */
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char *cp;
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if (optreset)
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optreset = optchr = dash = 0;
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if(optind >= argc)
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return(EOF);
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if(!dash && (argv[optind][0] != '-'))
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return(EOF);
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if(!dash && (argv[optind][0] == '-') && !argv[optind][1])
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{
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/*
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* use to specify stdin. Need to let pgm process this and
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* the following args
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*/
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return(EOF);
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}
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if((argv[optind][0] == '-') && (argv[optind][1] == '-'))
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{
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/* -- indicates end of args */
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optind++;
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return(EOF);
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}
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if(!dash)
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{
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assert((argv[optind][0] == '-') && argv[optind][1]);
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dash = 1;
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optchr = 1;
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}
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/* Check if the guy tries to do a -: kind of flag */
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assert(dash);
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if(argv[optind][optchr] == ':')
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{
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dash = 0;
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optind++;
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return(optiserr(argc, argv, optind-1, optstr, optchr, OPTERRCOLON));
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}
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if(!(cp = strchr(optstr, argv[optind][optchr])))
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{
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int errind = optind;
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int errchr = optchr;
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if(!argv[optind][optchr+1])
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{
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dash = 0;
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optind++;
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}
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else
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optchr++;
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return(optiserr(argc, argv, errind, optstr, errchr, OPTERRNF));
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}
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if(cp[1] == ':')
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{
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dash = 0;
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optind++;
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if(optind == argc)
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return(optiserr(argc, argv, optind-1, optstr, optchr, OPTERRARG));
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optarg = argv[optind++];
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return(*cp);
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}
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else
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{
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if(!argv[optind][optchr+1])
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{
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dash = 0;
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optind++;
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}
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else
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optchr++;
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return(*cp);
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}
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assert(0);
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return(0);
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}
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#ifdef TESTGETOPT
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int
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main (int argc, char **argv)
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{
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int c;
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extern char *optarg;
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extern int optind;
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int aflg = 0;
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int bflg = 0;
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int errflg = 0;
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char *ofile = NULL;
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while ((c = getopt(argc, argv, "abo:")) != EOF)
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switch (c) {
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case 'a':
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if (bflg)
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errflg++;
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else
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aflg++;
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break;
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case 'b':
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if (aflg)
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errflg++;
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else
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bflg++;
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break;
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case 'o':
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ofile = optarg;
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(void)qtss_printf("ofile = %s\n", ofile);
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break;
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case '?':
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errflg++;
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}
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if (errflg) {
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(void)qtss_fprintf(stderr,
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"usage: cmd [-a|-b] [-o <filename>] files...\n");
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exit (2);
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}
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for ( ; optind < argc; optind++)
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(void)qtss_printf("%s\n", argv[optind]);
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return 0;
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}
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#endif /* TESTGETOPT */
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#endif /* WIN32 */
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