/*
 * Copyright (c) 1999-2009, 2013-2015 Paul Mattes.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
 *     * Neither the names of Paul Mattes nor the names of his contributors
 *       may be used to endorse or promote products derived from this software
 *       without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY PAUL MATTES "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 PAUL MATTES 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 "globals.h"
#include "fallbacks.h"

/* s3270 substitute Xt resource database. */

static struct dresource {
    struct dresource *next;
    const char *name;
    char *value;
} *drdb = NULL, **drdb_next = &drdb;

void
add_resource(const char *name, char *value)
{
    struct dresource *d;

    for (d = drdb; d != NULL; d = d->next) {
	if (!strcmp(d->name, name)) {
	    d->value = value;
	    return;
	}
    }
    d = Malloc(sizeof(struct dresource));
    d->next = NULL;
    d->name = name;
    d->value = value;
    *drdb_next = d;
    drdb_next = &d->next;
}

char *
get_resource(const char *name)
{
    struct dresource *d;
    int i;

    for (d = drdb; d != NULL; d = d->next) {
	if (!strcmp(d->name, name)) {
	    return d->value;
	}
    }

    for (i = 0; fallbacks[i] != NULL; i++) {
	if (!strncmp(fallbacks[i], name, strlen(name)) &&
		*(fallbacks[i] + strlen(name)) == ':') {
	    return fallbacks[i] + strlen(name) + 2;
	}
    }
    return NULL;
}
