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 /* 23 * Copyright (c) 2000 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 #include <pthread.h> 30 #include <string.h> 31 #include <stdlib.h> 32 33 #include "Parser.h" 34 35 // yacc symbols 36 int fruparse(void); 37 extern int frudebug; 38 39 // global data to/from the lexer 40 pthread_mutex_t gParserLock; 41 fru_errno_t gParserErrno = FRU_SUCCESS; 42 char *gParserString = NULL; 43 Ancestor *gParserAnts = NULL; 44 PathDef *gParserHead = NULL; 45 int *gParserAbs = NULL; 46 47 // returns a NULL terminated list of PathDef objects. 48 // and a NULL terminated list of ancestor objects this path exists in 49 // NOTE: ancestors may be NULL if no tags contain a valid path. 50 fru_errno_t 51 fru_field_parser(const char *path, Ancestor **ancestors, 52 int *absolute, PathDef **pathDef) 53 { 54 // lock up the globals for the parser... 55 pthread_mutex_lock(&gParserLock); 56 57 // get out a string for the parser to play with. 58 gParserString = strdup(path); 59 if (gParserString == NULL) { 60 pthread_mutex_unlock(&gParserLock); 61 return (FRU_FAILURE); 62 } 63 // save the head pointer for delete. 64 char *delPtr = gParserString; 65 66 // frudebug = 1; 67 68 // set up for return data from lexer. 69 gParserHead = NULL; 70 gParserAnts = NULL; 71 gParserErrno = FRU_SUCCESS; 72 gParserAbs = absolute; 73 *gParserAbs = 0; 74 75 int rc = fruparse(); 76 77 // clean up the string we used for yacc. 78 free(delPtr); 79 gParserString = NULL; 80 81 // frudebug = 0; 82 if (rc != 0) { 83 delete gParserHead; 84 delete gParserAnts; 85 fru_errno_t err = gParserErrno; 86 pthread_mutex_unlock(&gParserLock); 87 return (err); 88 } 89 90 /* if ((gParserHead == NULL) || (gParserAnts == NULL)) { */ 91 /* allow ancestors to be NULL */ 92 /* some elements don't have tagged ancestors */ 93 if (gParserHead == NULL) { 94 delete gParserAnts; 95 pthread_mutex_unlock(&gParserLock); 96 return (FRU_FAILURE); 97 } 98 99 *pathDef = gParserHead; 100 *ancestors = gParserAnts; 101 102 pthread_mutex_unlock(&gParserLock); 103 return (FRU_SUCCESS); 104 } 105