source: heimdal/trunk/lib/com_err/error.c

/*
 * 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 <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <com_right.h>
#include <roken.h>

#ifdef LIBINTL
#include <libintl.h>
#else
#define dgettext(d,s) (s)
#endif

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
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;
}

KRB5_LIB_FUNCTION const char * KRB5_LIB_CALL
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) {
            const char *msg = p->table->msgs[code - p->table->base];
#ifdef LIBINTL
            char domain[12 + 20];
            snprintf(domain, sizeof(domain), "heim_com_err%d", p->table->base);
#endif
            strlcpy(str, dgettext(domain, msg), len);
            return str;
        }
    }
    return NULL;
}

struct foobar {
    struct et_list etl;
    struct error_table et;
};

KRB5_LIB_FUNCTION void KRB5_LIB_CALL
initialize_error_table_r(struct et_list **list,
                         const char **messages,
                         int num_errors,
                         long base)
{
    struct et_list *et, **end;
    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 = &f->et;
    et->table->msgs = messages;
    et->table->n_msgs = num_errors;
    et->table->base = base;
    et->next = NULL;
    *end = et;
}


KRB5_LIB_FUNCTION void KRB5_LIB_CALL
free_error_table(struct et_list *et)
{
    while(et){
        struct et_list *p = et;
        et = et->next;
        free(p);
    }
}