lib/com_err/error.c

   1 /*
   2  * Copyright (c) 1997, 1998, 2001 Kungliga Tekniska Högskolan
   3  * (Royal Institute of Technology, Stockholm, Sweden).
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  *
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  *
  13  * 2. Redistributions in binary form must reproduce the above copyright
  14  *    notice, this list of conditions and the following disclaimer in the
  15  *    documentation and/or other materials provided with the distribution.
  16  *
  17  * 3. Neither the name of the Institute nor the names of its contributors
  18  *    may be used to endorse or promote products derived from this software
  19  *    without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  31  * SUCH DAMAGE.
  32  */
  33
  34 #ifdef HAVE_CONFIG_H
  35 #include <config.h>
  36 RCSID("$Id$");
  37 #endif
  38 #include <stdio.h>
  39 #include <stdlib.h>
  40 #include <string.h>
  41 #include <com_right.h>
  42
  43 const char *
  44 com_right(struct et_list *list, long code)
  45 {
  46     struct et_list *p;
  47     for (p = list; p; p = p->next) {
  48         if (code >= p->table->base && code < p->table->base + p->table->n_msgs)
  49             return p->table->msgs[code - p->table->base];
  50     }
  51     return NULL;
  52 }
  53
  54 struct foobar {
  55     struct et_list etl;
  56     struct error_table et;
  57 };
  58
  59 void
  60 initialize_error_table_r(struct et_list **list,
  61                          const char **messages,
  62                          int num_errors,
  63                          long base)
  64 {
  65     struct et_list *et, **end;
  66     struct foobar *f;
  67     for (end = list, et = *list; et; end = &et->next, et = et->next)
  68         if (et->table->msgs == messages)
  69             return;
  70     f = malloc(sizeof(*f));
  71     if (f == NULL)
  72         return;
  73     et = &f->etl;
  74     et->table = &f->et;
  75     et->table->msgs = messages;
  76     et->table->n_msgs = num_errors;
  77     et->table->base = base;
  78     et->next = NULL;
  79     *end = et;
  80 }
  81
  82
  83 void
  84 free_error_table(struct et_list *et)
  85 {
  86     while(et){
  87         struct et_list *p = et;
  88         et = et->next;
  89         free(p);
  90     }
  91 }