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 /* 27 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 28 * Use is subject to license terms. 29 */ 30 31 #pragma ident "%Z%%M% %I% %E% SMI" 32 33 /* EMACS_MODES: !fill, lnumb, !overwrite, !nodelete, !picture */ 34 35 #include "sys/types.h" 36 #include "regexpr.h" 37 #include "regex.h" 38 #include "string.h" 39 40 /** 41 ** match() - TEST MATCH OF TEMPLATE/PATTERN WITH PARAMETER 42 **/ 43 44 int 45 #if defined(__STDC__) 46 match ( 47 char * re, 48 char * value 49 ) 50 #else 51 match (re, value) 52 register char * re; 53 register char * value; 54 #endif 55 { 56 int ret; 57 58 /* 59 * We want exact matches, just as if the regular expression 60 * was ^...$, to explicitly match the beginning and end of line. 61 * Using "advance" instead of "step" takes care of the ^ and 62 * checking where the match left off takes care of the $. 63 * We don't do something silly like add the ^ and $ ourselves, 64 * because the user may have done that already. 65 */ 66 ret = advance(value, re); 67 if (ret && *loc2) 68 ret = 0; 69 return (ret); 70 } 71 72 /** 73 ** replace() - REPLACE TEMPLATE WITH EXPANDED REGULAR EXPRESSION MATCH 74 **/ 75 76 size_t 77 #if defined(__STDC__) 78 replace ( 79 char ** pp, 80 char * result, 81 char * value, 82 int nbra 83 ) 84 #else 85 replace (pp, result, value) 86 char ** pp; 87 char * result; 88 char * value; 89 int nbra; 90 #endif 91 { 92 register char * p; 93 register char * q; 94 95 register size_t ncount = 0; 96 97 98 /* 99 * Count and perhaps copy a single character: 100 */ 101 #define CCPY(SRC) if ((ncount++, pp)) \ 102 *p++ = SRC 103 104 /* 105 * Count and perhaps copy a string: 106 */ 107 #define SCPY(SRC) if (pp) { \ 108 register char * r; \ 109 for (r = (SRC); *r; ncount++) \ 110 *p++ = *r++; \ 111 } else \ 112 ncount += strlen(SRC) 113 114 115 if (pp) 116 p = *pp; 117 118 for (q = result; *q; q++) switch (*q) { 119 120 case '*': 121 case '&': 122 SCPY (value); 123 break; 124 125 case '\\': 126 switch (*++q) { 127 case '1': 128 case '2': 129 case '3': 130 case '4': 131 case '5': 132 case '6': 133 case '7': 134 case '8': 135 case '9': 136 { 137 register int n = *q-'1'; 138 139 if (n < nbra) { 140 register char c = *(braelist[n]); 141 142 *(braelist[n]) = 0; 143 SCPY (braslist[n]); 144 *(braelist[n]) = c; 145 } 146 break; 147 } 148 149 default: 150 CCPY (*q); 151 break; 152 } 153 break; 154 155 default: 156 CCPY (*q); 157 break; 158 } 159 160 if (pp) 161 *pp = p; 162 163 return (ncount); 164 } 165