52 lines
1.8 KiB
C
52 lines
1.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* hashmap_env_utils.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: maiboyer <maiboyer@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/12/06 10:58:20 by maiboyer #+# #+# */
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/* Updated: 2023/12/11 15:35:37 by maiboyer ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "me/hash/sip.h"
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#include "me/hashmap/hashmap_env.h"
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#include "me/mem/mem.h"
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#include "me/types.h"
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#include <stdlib.h>
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t_str *hmap_env_get(t_hashmap_env *hmap, t_str *key)
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{
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t_usize hashed_key;
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t_entry_env *entry;
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t_entry_env *prev;
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hmap->hfunc(&hmap->hasher, key);
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hashed_key = hasher_reset_and_finish(&hmap->hasher);
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entry = hmap_env_get_entry(hmap, hashed_key, key, &prev);
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if (entry == NULL)
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return (NULL);
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return (&entry->kv.val);
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}
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void hmap_env_remove(t_hashmap_env *hmap, t_str *key)
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{
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t_usize hashed_key;
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t_entry_env *prev;
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t_entry_env *entry;
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hmap->hfunc(&hmap->hasher, key);
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hashed_key = hasher_reset_and_finish(&hmap->hasher);
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prev = NULL;
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entry = hmap_env_get_entry(hmap, hashed_key, key, &prev);
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if (entry == NULL)
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return ;
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if (prev == NULL)
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hmap->buckets[hashed_key % hmap->num_buckets] = entry->next;
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else
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prev->next = entry->next;
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hmap->free(entry->kv);
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mem_free(entry);
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hmap->buckets[hashed_key % hmap->num_buckets] = NULL;
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}
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