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/*
 * Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/**
 * \file policy.h
 * \brief Implementation of policy description
 */

#include <stdio.h>
#include "policy.h"

const char * policy_tag_str[] = {
    #define _(x) [POLICY_TAG_ ## x] = STRINGIZE(x),
    foreach_policy_tag
    #undef _
};

const char * policy_state_str[] = {
    #define _(x) [POLICY_STATE_ ## x] = STRINGIZE(x),
    foreach_policy_state
    #undef _
};

int
policy_tag_state_snprintf(char * s, size_t size, const policy_tag_state_t * tag_state)
{
    char *cur = s;
    int rc;

    if (tag_state->disabled > 1)
        return -1;

    rc = snprintf(cur, s + size - cur, "%s%s", (tag_state->disabled == 1) ? "!" : "", policy_state_str[tag_state->state]);
    if (rc < 0)
        return rc;
    cur += rc;
    if (size != 0 && cur >= s + size)
        return cur - s;

    return cur - s;
}