1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 #ident "%Z%%M% %I% %E% SMI" /* from SVR4 bnu:getopt.c 2.3 */ 27 28 #include "uucp.h" 29 30 /* @(#)getopt.c 1.2 */ 31 /* 3.0 SID # 1.2 */ 32 /*LINTLIBRARY*/ 33 #define ERR(s, c) if(opterr){\ 34 (void) fputs(argv[0], stderr);\ 35 (void) fputs(s, stderr);\ 36 (void) fputc(c, stderr);\ 37 (void) fputc('\n', stderr);} 38 39 extern int strcmp(); 40 extern char *strchr(); 41 42 int opterr = 1; 43 int optind = 1; 44 int optopt; 45 char *optarg; 46 47 int 48 getopt(argc, argv, opts) 49 int argc; 50 char **argv, *opts; 51 { 52 static int sp = 1; 53 register int c; 54 register char *cp; 55 56 if(sp == 1) 57 if(optind >= argc || 58 argv[optind][0] != '-' || argv[optind][1] == '\0') 59 return(EOF); 60 else if(strcmp(argv[optind], "--") == NULL) { 61 optind++; 62 return(EOF); 63 } 64 optopt = c = argv[optind][sp]; 65 if(c == ':' || (cp=strchr(opts, c)) == NULL) { 66 ERR(": illegal option -- ", c); 67 if(argv[optind][++sp] == '\0') { 68 optind++; 69 sp = 1; 70 } 71 return('?'); 72 } 73 if(*++cp == ':') { 74 if(argv[optind][sp+1] != '\0') 75 optarg = &argv[optind++][sp+1]; 76 else if(++optind >= argc) { 77 ERR(": option requires an argument -- ", c); 78 sp = 1; 79 return('?'); 80 #ifndef NO_MINUS 81 } else 82 optarg = argv[optind++]; 83 #else /* NO_MINUS */ 84 } else { 85 optarg = argv[optind++]; 86 if (*optarg == '-') { 87 ERR(": option requires an argument -- ", c); 88 sp = 1; 89 return('?'); 90 } 91 } 92 #endif /* NO_MINUS */ 93 sp = 1; 94 } else { 95 if(argv[optind][++sp] == '\0') { 96 sp = 1; 97 optind++; 98 } 99 optarg = NULL; 100 } 101 return(c); 102 } 103