blob: f00e9104c3b8a8f4c3923430f16c2d5c96bcfe92 [file] [log] [blame] [edit]
/*
* com_right.c -- provide Heimdall / Kerberos4kth com_err interfaces
* for backwards compatbility
*
* Copyright (c) 2003 by Theodore Ts'o
*
* Taken from lib/com_err/error.c from Kerberos4kth distribution.
*
* Copyright (c) 1997, 1998, 2001 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "com_err.h"
#include "error_table.h"
const char *
com_right(struct et_list *list, long code)
{
struct et_list *p;
for (p = list; p; p = p->next) {
if (code >= p->table->base && code < p->table->base + p->table->n_msgs)
return p->table->msgs[code - p->table->base];
}
return NULL;
}
const char *
com_right_r(struct et_list *list, long code, char *str, size_t len)
{
struct et_list *p;
for (p = list; p; p = p->next) {
if ((code >= p->table->base) &&
(code < p->table->base + p->table->n_msgs)) {
strncpy(str, p->table->msgs[code - p->table->base], len);
str[len-1] = '\0';
return str;
}
}
return NULL;
}
struct foobar {
struct et_list etl;
struct error_table tab;
};
/*
* We provide this routine for compatibility with Heimdall generated
* foo_err.c files, but we don't use this ourselves for foo_err.c
* files generated by our compile_et. This is so our foo_err.c
* files can be used with older com_err libraries without running
* afoul of dependencies.
*/
void
initialize_error_table_r(struct et_list **list,
const char **messages,
int num_errors,
long base)
{
struct et_list *et, **end;
struct error_table *tab;
struct foobar *f;
for (end = list, et = *list; et; end = &et->next, et = et->next)
if (et->table->msgs == messages)
return;
f = malloc(sizeof(*f));
if (f == NULL)
return;
et = &f->etl;
et->table = tab = &f->tab;
tab->msgs = messages;
tab->n_msgs = num_errors;
tab->base = base;
et->next = NULL;
*end = et;
}
void
free_error_table(struct et_list *et)
{
while(et){
struct et_list *p = et;
et = et->next;
free(p);
}
}