/*
 * Copyright (C) 2013 Oracle.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, see http://www.gnu.org/copyleft/gpl.txt
 */

#include "smatch.h"

int list_has_string(struct string_list *str_list, const char *str)
{
        char *tmp;
        int cmp;

        if (!str)
                return 0;

        FOR_EACH_PTR(str_list, tmp) {
                cmp = strcmp(tmp, str);
                if (cmp < 0)
                        continue;
                if (cmp == 0)
                        return 1;
                return 0;
        } END_FOR_EACH_PTR(tmp);
        return 0;
}

int insert_string(struct string_list **str_list, const char *_new)
{
        char *new = (char *)_new;
        char *tmp;
        int cmp;

        FOR_EACH_PTR(*str_list, tmp) {
                cmp = strcmp(tmp, new);
                if (cmp < 0)
                        continue;
                else if (cmp == 0) {
                        return 0;
                } else {
                        INSERT_CURRENT(alloc_string(new), tmp);
                        return 1;
                }
        } END_FOR_EACH_PTR(tmp);
        new = alloc_string(new);
        add_ptr_list(str_list, new);
        return 1;
}

struct string_list *clone_str_list(struct string_list *orig)
{
        char *tmp;
        struct string_list *ret = NULL;

        FOR_EACH_PTR(orig, tmp) {
                add_ptr_list(&ret, tmp);
        } END_FOR_EACH_PTR(tmp);
        return ret;
}

struct string_list *combine_string_lists(struct string_list *one, struct string_list *two)
{
        struct string_list *ret;
        char *tmp;

        ret = clone_str_list(one);
        FOR_EACH_PTR(two, tmp) {
                insert_string(&ret, tmp);
        } END_FOR_EACH_PTR(tmp);
        return ret;
}