60 lines
1.9 KiB
C
60 lines
1.9 KiB
C
/******************************************************************************/
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/* HashSet for C99, by LoRd_MuldeR <MuldeR2@GMX.de> */
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/* This work has been released under the CC0 1.0 Universal license! */
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/******************************************************************************/
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#include <hash_map.h>
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#include <stdio.h>
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#include <inttypes.h>
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#include "input.h"
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/* ========================================================================= */
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/* MAIN */
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/* ========================================================================= */
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int main(void)
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{
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hash_map64_t *hash_map;
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uint64_t key, value;
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size_t cursor = 0U, offset = 0U;
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/* print logo */
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printf("LibHashSet Hash-Map Example v%" PRIu16 ".%" PRIu16 ".%" PRIu16 " [%s]\n\n",
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HASHSET_VERSION_MAJOR, HASHSET_VERSION_MINOR, HASHSET_VERSION_PATCH, HASHSET_BUILD_DATE);
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/* create new hash map instance */
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hash_map = hash_map_create64(0U, -1.0);
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if (!hash_map)
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{
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fputs("Allocation has failed!\n", stderr);
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return EXIT_FAILURE;
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}
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/* add a number of items to the hash map, the map will grow as needed */
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puts("Inserting key-value pairs into hash map, please wait...");
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while (have_more_items(offset))
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{
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const pair_t input = get_next_item(offset++);
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const errno_t error = hash_map_insert64(hash_map, input.key, input.value);
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if (error)
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{
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fprintf(stderr, "Insert operation failed! (error: %d)\n", error);
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return EXIT_FAILURE;
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}
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}
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puts("Done.\n");
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/* print total number of items in the hash map */
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printf("Total number of entries in the map: %zu\n\n", hash_map_size64(hash_map));
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/* print all items in the map */
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while (hash_map_iterate64(hash_map, &cursor, &key, &value) == 0)
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{
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printf("Entry: 0x%016" PRIX64 " -> 0x%016" PRIX64 "\n", key, value);
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}
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/* destroy the hash map, when it is no longer needed! */
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hash_map_destroy64(hash_map);
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return EXIT_SUCCESS;
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}
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