1 /* 2 * Copyright (c) 2000, Boris Popov 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Boris Popov. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $Id: cfopt.c,v 1.1.1.1 2001/06/09 00:28:12 zarzycki Exp $ 33 */ 34 35 #pragma ident "%Z%%M% %I% %E% SMI" 36 37 #include <sys/param.h> 38 39 #include <stdio.h> 40 #include <string.h> 41 #include <libintl.h> 42 43 #include <cflib.h> 44 #include <netsmb/smb_lib.h> 45 46 int cf_opterr = 1, /* if error message should be printed */ 47 cf_optind = 1, /* index into parent argv vector */ 48 cf_optopt, /* character checked for validity */ 49 cf_optreset; /* reset getopt */ 50 const char *cf_optarg; /* argument associated with option */ 51 52 #define BADCH (int)'?' 53 #define BADARG (int)':' 54 #define EMSG "" 55 56 int 57 cf_getopt(nargc, nargv, ostr) 58 int nargc; 59 char * const *nargv; 60 const char *ostr; 61 { 62 static const char *place = EMSG; /* option letter processing */ 63 char *oli; /* option letter list index */ 64 int tmpind; 65 66 if (cf_optreset || !*place) { /* update scanning pointer */ 67 cf_optreset = 0; 68 tmpind = cf_optind; 69 while (1) { 70 if (tmpind >= nargc) { 71 place = EMSG; 72 return (-1); 73 } 74 if (*(place = nargv[tmpind]) != '-') { 75 tmpind++; 76 continue; /* lookup next option */ 77 } 78 if (place[1] && *++place == '-') { /* found "--" */ 79 cf_optind = ++tmpind; 80 place = EMSG; 81 return (-1); 82 } 83 cf_optind = tmpind; 84 break; 85 } 86 } /* option letter okay? */ 87 if ((cf_optopt = (int)*place++) == (int)':' || 88 !(oli = strchr(ostr, cf_optopt))) { 89 /* 90 * if the user didn't specify '-' as an option, 91 * assume it means -1. 92 */ 93 if (cf_optopt == (int)'-') 94 return (-1); 95 if (!*place) 96 ++cf_optind; 97 if (cf_opterr && *ostr != ':') 98 (void) fprintf(stderr, dgettext(TEXT_DOMAIN, 99 "%s: illegal option -- %c\n"), 100 __progname, cf_optopt); 101 return (BADCH); 102 } 103 if (*++oli != ':') { /* don't need argument */ 104 cf_optarg = NULL; 105 if (!*place) 106 ++cf_optind; 107 } else { /* need an argument */ 108 if (*place) /* no white space */ 109 cf_optarg = place; 110 else if (nargc <= ++cf_optind) { /* no arg */ 111 place = EMSG; 112 if (*ostr == ':') 113 return (BADARG); 114 if (cf_opterr) 115 (void) fprintf(stderr, dgettext(TEXT_DOMAIN, 116 "%s: option requires an argument -- %c\n"), 117 __progname, cf_optopt); 118 return (BADCH); 119 } else /* white space */ 120 cf_optarg = nargv[cf_optind]; 121 place = EMSG; 122 ++cf_optind; 123 } 124 return (cf_optopt); /* dump back option letter */ 125 } 126