1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2007 AT&T Knowledge Ventures * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Knowledge Ventures * 8 * * 9 * A copy of the License is available at * 10 * http://www.opensource.org/licenses/cpl1.0.txt * 11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12 * * 13 * Information and Software Systems Research * 14 * AT&T Research * 15 * Florham Park NJ * 16 * * 17 * Glenn Fowler <gsf@research.att.com> * 18 * David Korn <dgk@research.att.com> * 19 * Phong Vo <kpv@research.att.com> * 20 * * 21 ***********************************************************************/ 22 #pragma prototyped 23 24 #include <ast.h> 25 26 #undef _lib_getopt /* we can satisfy the api */ 27 28 #if _lib_getopt 29 30 NoN(getopt) 31 32 #else 33 34 #undef _BLD_ast /* enable ast imports since we're user static */ 35 36 #include <error.h> 37 #include <option.h> 38 39 int opterr = 1; 40 int optind = 1; 41 int optopt = 0; 42 char* optarg = 0; 43 44 static int lastoptind; 45 46 extern int 47 getopt(int argc, char* const* argv, const char* optstring) 48 { 49 int n; 50 51 NoP(argc); 52 opt_info.index = (optind > 1 || optind == lastoptind) ? optind : 0; 53 if (opt_info.index >= argc) 54 return -1; 55 switch (n = optget((char**)argv, optstring)) 56 { 57 case ':': 58 n = '?'; 59 /*FALLTHROUGH*/ 60 case '?': 61 if (opterr && (!optstring || *optstring != ':')) 62 { 63 if (!error_info.id) 64 error_info.id = argv[0]; 65 errormsg(NiL, 2, opt_info.arg); 66 } 67 optopt = opt_info.option[1]; 68 break; 69 case 0: 70 n = -1; 71 break; 72 } 73 optarg = opt_info.arg; 74 lastoptind = optind = opt_info.index; 75 return n; 76 } 77 78 #endif 79