usr/src/tools/protocmp/exception_list.c

   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 }