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 * Xopen 4.2 compatibility 25 */ 26 27 #include <ast_lib.h> 28 29 #undef _lib_getsubopt /* we can satisfy the api */ 30 31 #if _lib_getsubopt 32 33 #include <ast.h> 34 35 NoN(getsubopt) 36 37 #else 38 39 #define getsubopt ______getsubopt 40 41 #include <ast.h> 42 43 #undef getsubopt 44 45 #include <error.h> 46 47 #if defined(__EXPORT__) 48 #define extern __EXPORT__ 49 #endif 50 51 extern int 52 getsubopt(register char** op, char* const* tp, char** vp) 53 { 54 register char* b; 55 register char* s; 56 register char* v; 57 58 if (*(b = *op)) 59 { 60 v = 0; 61 s = b; 62 for (;;) 63 { 64 switch (*s++) 65 { 66 case 0: 67 s--; 68 break; 69 case ',': 70 *(s - 1) = 0; 71 break; 72 case '=': 73 if (!v) 74 { 75 *(s - 1) = 0; 76 v = s; 77 } 78 continue; 79 default: 80 continue; 81 } 82 break; 83 } 84 *op = s; 85 *vp = v; 86 for (op = (char**)tp; *op; op++) 87 if (streq(b, *op)) 88 return op - (char**)tp; 89 } 90 *vp = b; 91 return -1; 92 } 93 94 #endif 95