contrib/com_err/error.c

   1 /*
   2  * Copyright (c) 1997, 1998 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. All advertising materials mentioning features or use of this software
  18  *    must display the following acknowledgement:
  19  *      This product includes software developed by Kungliga Tekniska
  20  *      Högskolan and its contributors.
  21  *
  22  * 4. Neither the name of the Institute nor the names of its contributors
  23  *    may be used to endorse or promote products derived from this software
  24  *    without specific prior written permission.
  25  *
  26  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
  27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
  30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  36  * SUCH DAMAGE.
  37  */
  38
  39 #ifdef HAVE_CONFIG_H
  40 #include <config.h>
  41 RCSID("$Id: error.c,v 1.13 1998/02/17 21:19:44 bg Exp $");
  42 #endif
  43 #include <stdio.h>
  44 #include <stdlib.h>
  45 #include <string.h>
  46 #include <com_right.h>
  47
  48 const char *
  49 com_right(struct et_list *list, long code)
  50 {
  51     struct et_list *p;
  52     for (p = list; p; p = p->next) {
  53         if (code >= p->table->base && code < p->table->base + p->table->n_msgs)
  54             return p->table->msgs[code - p->table->base];
  55     }
  56     return NULL;
  57 }
  58
  59 struct foobar {
  60     struct et_list etl;
  61     struct error_table et;
  62 };
  63
  64 void
  65 initialize_error_table_r(struct et_list **list,
  66                          const char **messages,
  67                          int num_errors,
  68                          long base)
  69 {
  70     struct et_list *et;
  71     struct foobar *f;
  72     for (et = *list; et; et = et->next)
  73         if (et->table->msgs == messages)
  74             return;
  75     f = malloc(sizeof(*f));
  76     if (f == NULL)
  77         return;
  78     et = &f->etl;
  79     et->table = &f->et;
  80     et->table->msgs = messages;
  81     et->table->n_msgs = num_errors;
  82     et->table->base = base;
  83     et->next = *list;
  84     *list = et;
  85 }
  86
  87
  88 void
  89 free_error_table(struct et_list *et)
  90 {
  91     while(et){
  92         struct et_list *p = et;
  93         et = et->next;
  94         free(p);
  95     }
  96 }