add generic hashmap and memory usage fix

test/hashmap_test.c

@@ -0,0 +1,65 @@
+#include "utils/hashmap.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "utils/colors.h"
+
+int my_hash_fn(void *key) {
+	char *key_str = (char *)key;
+	size_t key_len = strlen(key_str);
+
+	int total = 0;
+
+	for (size_t i = 0; i < key_len; ++i) {
+		total += (int)key_str[i];
+	}
+
+	return total % 2069;
+}
+
+bool my_equal_fn(void *a, void *b) {
+	if (strcmp((char *)a, (char *)b) == 0) {
+		return true;
+	}
+
+	return false;
+}
+
+void my_free_fn(void *value) { free(value); }
+
+int main(void) {
+	bool ret;
+	cws_hashmap *str_hashmap = cws_hm_init(my_hash_fn, my_equal_fn, my_free_fn, my_free_fn);
+
+	char *key = strdup("test1");
+	char *value = strdup("value1");
+
+	if (key == NULL || value == NULL) {
+		CWS_LOG_ERROR("strdup()");
+
+		return 1;
+	}
+
+	ret = cws_hm_set(str_hashmap, (void *)key, (void *)value);
+	if (!ret) {
+		CWS_LOG_WARNING("Unable to set %s:%s", key, value);
+	}
+
+	cws_bucket *bucket = cws_hm_get(str_hashmap, key);
+	CWS_LOG_DEBUG("Set %s:%s", (char *)bucket->key, (char *)bucket->value);
+
+	char *another_value = strdup("another value1");
+	ret = cws_hm_set(str_hashmap, (void *)key, (void *)another_value);
+	if (!ret) {
+		CWS_LOG_WARNING("Unable to set %s:%s", key, another_value);
+	}
+
+	bucket = cws_hm_get(str_hashmap, key);
+	CWS_LOG_DEBUG("Set %s:%s", (char *)bucket->key, (char *)bucket->value);
+
+	cws_hm_free(str_hashmap);
+
+	return 0;
+}