100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/*
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* Basic map operations example.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "../src/map.h"
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int main(void) {
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// Create a new map
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map_result_t res = map_new();
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if (res.status != MAP_OK) {
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printf("Error while creating map: %s\n", res.message);
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return 1;
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}
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map_t *map = res.value.map;
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// Add some values
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const int x = 0xB00B5;
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const char *y = "Hello";
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map_result_t add_res = map_add(map, "x", (void*)&x);
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if (add_res.status != MAP_OK) {
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printf("Error while adding elements: %s\n", add_res.message);
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return 1;
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}
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add_res = map_add(map, "y", (void*)y);
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if (add_res.status != MAP_OK) {
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printf("Error while adding elements: %s\n", add_res.message);
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return 1;
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}
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// Print size and capacity
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printf("Map size (should be 2): %zu\n", map_size(map));
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printf("Map capacity (should be > 2): %zu\n\n", map_capacity(map));
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// Retrieve keys
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map_result_t get_res = map_get(map, "x");
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if (get_res.status != MAP_OK) {
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printf("Cannot retrieve map element 'x': %s\n", get_res.message);
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return 1;
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} else {
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const int *val = (const int*)get_res.value.element;
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printf("Key 'x' contains (should be 'B00B5'): %X\n", *val);
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}
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get_res = map_get(map, "y");
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if (get_res.status != MAP_OK) {
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printf("Cannot retrieve map element 'y': %s\n", get_res.message);
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return 1;
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} else {
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const char *val = (const char*)get_res.value.element;
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printf("Key 'y' contains (should be 'Hello') : %s\n\n", val);
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}
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// Update key
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const int new_x = 0xC0FFEE;
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map_result_t up_res = map_add(map, "x", (void*)&new_x);
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up_res = map_get(map, "x");
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if (get_res.status != MAP_OK) {
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printf("Cannot retrieve map element 'x': %s\n", get_res.message);
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return 1;
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} else {
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const int *val = (const int*)up_res.value.element;
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printf("Key 'x' (should be updated to 'C0FFEE'): %X\n\n", *val);
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}
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// Remove an element
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map_result_t rm_res = map_remove(map, "y");
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if (rm_res.status != MAP_OK) {
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printf("Cannot remove map element 'y': %s\n", rm_res.message);
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return 1;
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} else {
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printf("Map element 'y' removed (size should be 1): %zu\n\n", map_size(map));
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}
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// Clear the map
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map_result_t clear_res = map_clear(map);
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if (clear_res.status != MAP_OK) {
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printf("Cannot clear map: %s\n", clear_res.message);
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return 1;
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} else {
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printf("Map cleared (size should be 0): %zu\n", map_size(map));
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}
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printf("\n");
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// Delete the map
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map_result_t del_res = map_destroy(map);
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if (del_res.status != MAP_OK) {
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printf("Error while destroying the map: %s\n", del_res.message);
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return 1;
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}
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return 0;
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} |