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example_strmap.c
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example_strmap.c
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/* _
* ___ __ _ __ _ _ _(_)
* / __|/ _` |/ _` | | | | |
* \__ \ (_| | (_| | |_| | |
* |___/\__,_|\__, |\__,_|_|
* |___/
*
* Cross-platform library which helps to develop web servers or frameworks.
*
* Copyright (C) 2016-2019 Silvio Clecio <[email protected]>
*
* Sagui library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* Sagui library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with Sagui library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/* NOTE: Error checking has been omitted to make it clear. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sagui.h>
static int map_sort(__SG_UNUSED void *cls, struct sg_strmap *pair_a,
struct sg_strmap *pair_b) {
return strcmp(sg_strmap_val(pair_b), sg_strmap_val(pair_a)); /* desc */
}
static int map_iter(__SG_UNUSED void *cls, struct sg_strmap *pair) {
const char *name = sg_strmap_name(pair);
printf("\t%c: %s\n", *name, name);
return 0;
}
static void chat(struct sg_strmap **map, const char *name, const char *msg) {
struct sg_strmap *pair;
sg_strmap_set(map, name, msg);
if (msg && (sg_strmap_find(*map, name, &pair) == 0))
printf("%c:\t%s\n", *sg_strmap_name(pair), sg_strmap_val(pair));
}
int main(void) {
struct sg_strmap *map = NULL;
chat(&map, "Clecio", "Hello!");
chat(&map, "Paim", "Hello. How are you?");
chat(&map, "Clecio", "I'm fine. And you?");
chat(&map, "Paim", "Me too.");
printf("\nChatters:\n");
sg_strmap_sort(&map, &map_sort, NULL);
sg_strmap_iter(map, &map_iter, NULL);
sg_strmap_cleanup(&map);
return EXIT_SUCCESS;
}