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