1 /*********************************************************************** 2 * * 3 * This software is part of the ast package * 4 * Copyright (c) 1985-2008 AT&T Intellectual Property * 5 * and is licensed under the * 6 * Common Public License, Version 1.0 * 7 * by AT&T Intellectual Property * 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 * Xopen 4.2 compatibility 25 */ 26 27 #include <ast.h> 28 29 #undef _lib_getsubopt /* we can satisfy the api */ 30 31 #if _lib_getsubopt 32 33 NoN(getsubopt) 34 35 #else 36 37 #undef _BLD_ast /* enable ast imports since we're user static */ 38 39 #include <error.h> 40 41 extern int 42 getsubopt(register char** op, char* const* tp, char** vp) 43 { 44 register char* b; 45 register char* s; 46 register char* v; 47 48 if (*(b = *op)) 49 { 50 v = 0; 51 s = b; 52 for (;;) 53 { 54 switch (*s++) 55 { 56 case 0: 57 s--; 58 break; 59 case ',': 60 *(s - 1) = 0; 61 break; 62 case '=': 63 if (!v) 64 { 65 *(s - 1) = 0; 66 v = s; 67 } 68 continue; 69 default: 70 continue; 71 } 72 break; 73 } 74 *op = s; 75 *vp = v; 76 for (op = (char**)tp; *op; op++) 77 if (streq(b, *op)) 78 return op - (char**)tp; 79 } 80 *vp = b; 81 return -1; 82 } 83 84 #endif 85