1*7ce20373SAndrew Rist /************************************************************** 2*7ce20373SAndrew Rist * 3*7ce20373SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*7ce20373SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*7ce20373SAndrew Rist * distributed with this work for additional information 6*7ce20373SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*7ce20373SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*7ce20373SAndrew Rist * "License"); you may not use this file except in compliance 9*7ce20373SAndrew Rist * with the License. You may obtain a copy of the License at 10*7ce20373SAndrew Rist * 11*7ce20373SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*7ce20373SAndrew Rist * 13*7ce20373SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*7ce20373SAndrew Rist * software distributed under the License is distributed on an 15*7ce20373SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*7ce20373SAndrew Rist * KIND, either express or implied. See the License for the 17*7ce20373SAndrew Rist * specific language governing permissions and limitations 18*7ce20373SAndrew Rist * under the License. 19*7ce20373SAndrew Rist * 20*7ce20373SAndrew Rist *************************************************************/ 21*7ce20373SAndrew Rist 22cdf0e10cSrcweir #include <stdio.h> 23cdf0e10cSrcweir #include <string.h> 24cdf0e10cSrcweir 25cdf0e10cSrcweir #define EPR fprintf(stderr, 26cdf0e10cSrcweir #define ERR(str, chr) if(opterr) { EPR "%s%c\n", str, chr); } 27cdf0e10cSrcweir 28cdf0e10cSrcweir int opterr = 1; 29cdf0e10cSrcweir int optind = 1; 30cdf0e10cSrcweir int optopt; 31cdf0e10cSrcweir char *optarg; 32cdf0e10cSrcweir 33cdf0e10cSrcweir int stgetopt(int argc,char * const argv[],const char * opts)34cdf0e10cSrcweir stgetopt(int argc, char *const argv[], const char *opts) 35cdf0e10cSrcweir { 36cdf0e10cSrcweir static int sp = 1; 37cdf0e10cSrcweir register int c; 38cdf0e10cSrcweir register char *cp; 39cdf0e10cSrcweir 40cdf0e10cSrcweir if (sp == 1) 41cdf0e10cSrcweir { 42cdf0e10cSrcweir if (optind >= argc || 43cdf0e10cSrcweir argv[optind][0] != '-' || argv[optind][1] == '\0') 44cdf0e10cSrcweir return -1; 45cdf0e10cSrcweir else if (strcmp(argv[optind], "--") == 0) 46cdf0e10cSrcweir { 47cdf0e10cSrcweir optind++; 48cdf0e10cSrcweir return -1; 49cdf0e10cSrcweir } 50cdf0e10cSrcweir else if (strcmp(argv[optind], "-isysroot") == 0) 51cdf0e10cSrcweir { 52cdf0e10cSrcweir // skip Mac OS X SDK selection flags 53cdf0e10cSrcweir optind++; optind++; 54cdf0e10cSrcweir } 55cdf0e10cSrcweir } 56cdf0e10cSrcweir optopt = c = argv[optind][sp]; 57cdf0e10cSrcweir if (c == ':' || (cp = strchr(opts, c)) == 0) 58cdf0e10cSrcweir { 59cdf0e10cSrcweir ERR(": illegal option -- ", c); 60cdf0e10cSrcweir if (argv[optind][++sp] == '\0') 61cdf0e10cSrcweir { 62cdf0e10cSrcweir optind++; 63cdf0e10cSrcweir sp = 1; 64cdf0e10cSrcweir } 65cdf0e10cSrcweir return '?'; 66cdf0e10cSrcweir } 67cdf0e10cSrcweir if (*++cp == ':') 68cdf0e10cSrcweir { 69cdf0e10cSrcweir if (argv[optind][sp + 1] != '\0') 70cdf0e10cSrcweir optarg = &argv[optind++][sp + 1]; 71cdf0e10cSrcweir else 72cdf0e10cSrcweir if (++optind >= argc) 73cdf0e10cSrcweir { 74cdf0e10cSrcweir ERR(": option requires an argument -- ", c); 75cdf0e10cSrcweir sp = 1; 76cdf0e10cSrcweir return '?'; 77cdf0e10cSrcweir } 78cdf0e10cSrcweir else 79cdf0e10cSrcweir optarg = argv[optind++]; 80cdf0e10cSrcweir sp = 1; 81cdf0e10cSrcweir } 82cdf0e10cSrcweir else 83cdf0e10cSrcweir { 84cdf0e10cSrcweir if (argv[optind][++sp] == '\0') 85cdf0e10cSrcweir { 86cdf0e10cSrcweir sp = 1; 87cdf0e10cSrcweir optind++; 88cdf0e10cSrcweir } 89cdf0e10cSrcweir optarg = 0; 90cdf0e10cSrcweir } 91cdf0e10cSrcweir return c; 92cdf0e10cSrcweir } 93