1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright (c) 2000 by Sun Microsystems, Inc.
24*7c478bd9Sstevel@tonic-gate * All rights reserved.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate #include <pthread.h>
28*7c478bd9Sstevel@tonic-gate #include <string.h>
29*7c478bd9Sstevel@tonic-gate #include <stdlib.h>
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate #include "Parser.h"
32*7c478bd9Sstevel@tonic-gate
33*7c478bd9Sstevel@tonic-gate // yacc symbols
34*7c478bd9Sstevel@tonic-gate int fruparse(void);
35*7c478bd9Sstevel@tonic-gate extern int frudebug;
36*7c478bd9Sstevel@tonic-gate
37*7c478bd9Sstevel@tonic-gate // global data to/from the lexer
38*7c478bd9Sstevel@tonic-gate pthread_mutex_t gParserLock;
39*7c478bd9Sstevel@tonic-gate fru_errno_t gParserErrno = FRU_SUCCESS;
40*7c478bd9Sstevel@tonic-gate char *gParserString = NULL;
41*7c478bd9Sstevel@tonic-gate Ancestor *gParserAnts = NULL;
42*7c478bd9Sstevel@tonic-gate PathDef *gParserHead = NULL;
43*7c478bd9Sstevel@tonic-gate int *gParserAbs = NULL;
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate // returns a NULL terminated list of PathDef objects.
46*7c478bd9Sstevel@tonic-gate // and a NULL terminated list of ancestor objects this path exists in
47*7c478bd9Sstevel@tonic-gate // NOTE: ancestors may be NULL if no tags contain a valid path.
48*7c478bd9Sstevel@tonic-gate fru_errno_t
fru_field_parser(const char * path,Ancestor ** ancestors,int * absolute,PathDef ** pathDef)49*7c478bd9Sstevel@tonic-gate fru_field_parser(const char *path, Ancestor **ancestors,
50*7c478bd9Sstevel@tonic-gate int *absolute, PathDef **pathDef)
51*7c478bd9Sstevel@tonic-gate {
52*7c478bd9Sstevel@tonic-gate // lock up the globals for the parser...
53*7c478bd9Sstevel@tonic-gate pthread_mutex_lock(&gParserLock);
54*7c478bd9Sstevel@tonic-gate
55*7c478bd9Sstevel@tonic-gate // get out a string for the parser to play with.
56*7c478bd9Sstevel@tonic-gate gParserString = strdup(path);
57*7c478bd9Sstevel@tonic-gate if (gParserString == NULL) {
58*7c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
59*7c478bd9Sstevel@tonic-gate return (FRU_FAILURE);
60*7c478bd9Sstevel@tonic-gate }
61*7c478bd9Sstevel@tonic-gate // save the head pointer for delete.
62*7c478bd9Sstevel@tonic-gate char *delPtr = gParserString;
63*7c478bd9Sstevel@tonic-gate
64*7c478bd9Sstevel@tonic-gate // frudebug = 1;
65*7c478bd9Sstevel@tonic-gate
66*7c478bd9Sstevel@tonic-gate // set up for return data from lexer.
67*7c478bd9Sstevel@tonic-gate gParserHead = NULL;
68*7c478bd9Sstevel@tonic-gate gParserAnts = NULL;
69*7c478bd9Sstevel@tonic-gate gParserErrno = FRU_SUCCESS;
70*7c478bd9Sstevel@tonic-gate gParserAbs = absolute;
71*7c478bd9Sstevel@tonic-gate *gParserAbs = 0;
72*7c478bd9Sstevel@tonic-gate
73*7c478bd9Sstevel@tonic-gate int rc = fruparse();
74*7c478bd9Sstevel@tonic-gate
75*7c478bd9Sstevel@tonic-gate // clean up the string we used for yacc.
76*7c478bd9Sstevel@tonic-gate free(delPtr);
77*7c478bd9Sstevel@tonic-gate gParserString = NULL;
78*7c478bd9Sstevel@tonic-gate
79*7c478bd9Sstevel@tonic-gate // frudebug = 0;
80*7c478bd9Sstevel@tonic-gate if (rc != 0) {
81*7c478bd9Sstevel@tonic-gate delete gParserHead;
82*7c478bd9Sstevel@tonic-gate delete gParserAnts;
83*7c478bd9Sstevel@tonic-gate fru_errno_t err = gParserErrno;
84*7c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
85*7c478bd9Sstevel@tonic-gate return (err);
86*7c478bd9Sstevel@tonic-gate }
87*7c478bd9Sstevel@tonic-gate
88*7c478bd9Sstevel@tonic-gate /* if ((gParserHead == NULL) || (gParserAnts == NULL)) { */
89*7c478bd9Sstevel@tonic-gate /* allow ancestors to be NULL */
90*7c478bd9Sstevel@tonic-gate /* some elements don't have tagged ancestors */
91*7c478bd9Sstevel@tonic-gate if (gParserHead == NULL) {
92*7c478bd9Sstevel@tonic-gate delete gParserAnts;
93*7c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
94*7c478bd9Sstevel@tonic-gate return (FRU_FAILURE);
95*7c478bd9Sstevel@tonic-gate }
96*7c478bd9Sstevel@tonic-gate
97*7c478bd9Sstevel@tonic-gate *pathDef = gParserHead;
98*7c478bd9Sstevel@tonic-gate *ancestors = gParserAnts;
99*7c478bd9Sstevel@tonic-gate
100*7c478bd9Sstevel@tonic-gate pthread_mutex_unlock(&gParserLock);
101*7c478bd9Sstevel@tonic-gate return (FRU_SUCCESS);
102*7c478bd9Sstevel@tonic-gate }
103