xref: /titanic_41/usr/src/tools/protocmp/exception_list.c (revision aa98ce2c4ecbce8afe8b7b253a911ab24fdded32)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  *
26  * Copyright 2015 PALO, Richard
27  */
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 
33 #include "list.h"
34 #include "exception_list.h"
35 #include "arch.h"
36 
37 /*
38  * This is global so that the protodir reading functions can rely on the
39  * exception list to weed out innocuous problems in the IHV gate.
40  */
41 elem_list exception_list;
42 
43 #define	FS	" \t\n"
44 
45 static int
46 parse_exception_line(char *line, elem_list *list)
47 {
48 	char	*name, *arch;
49 	elem	*e;
50 
51 	if ((name = strtok(line, FS)) == NULL) {
52 		/* don't complain; this is only a blank line */
53 		return (0);
54 	}
55 
56 	if ((arch = strtok(NULL, FS)) == NULL) {
57 		arch = "all";
58 	}
59 
60 	e = (elem *) malloc(sizeof (elem));
61 	if (e == NULL) {
62 		perror("malloc");
63 		exit(1);
64 	}
65 
66 	e->inode = 0;
67 	e->perm = 0;
68 	e->ref_cnt = 0;
69 	e->flag = 0;
70 	e->major = 0;
71 	e->minor = 0;
72 	e->link_parent = NULL;
73 	e->link_sib = NULL;
74 	e->symsrc = NULL;
75 	e->file_type = DIR_T;
76 
77 	while ((e->arch = assign_arch(arch)) == 0) {
78 		if ((arch = strtok(NULL, FS)) == NULL) {
79 			return (0);
80 		}
81 	}
82 
83 	(void) strcpy(e->name, name);
84 	add_elem(list, e);
85 
86 	return (1);
87 }
88 
89 int
90 read_in_exceptions(const char *exception_file, int verbose)
91 {
92 	FILE	*except_fp;
93 	char	buf[BUFSIZ];
94 	int	count = 0;
95 
96 	exception_file = exception_file ? exception_file : EXCEPTION_FILE;
97 
98 	if (verbose) {
99 		(void) printf("reading in exceptions from %s...\n",
100 		    exception_file);
101 	}
102 
103 	if ((except_fp = fopen(exception_file, "r")) == NULL) {
104 		perror(exception_file);
105 		return (0);
106 	}
107 	while (fgets(buf, BUFSIZ, except_fp)) {
108 		if (buf[0] != '#')	/* allow for comments */
109 			count += parse_exception_line(buf, &exception_list);
110 	}
111 	if (verbose)
112 		(void) printf("read in %d exceptions...\n", count);
113 
114 	return (count);
115 }
116