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hashmap
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fixed ub

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aiden 2022-06-10 07:08:41 +01:00
parent c03bcfbab6
commit 008db5e08d
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1 changed files with 4 additions and 4 deletions
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8
src/hashmap.c
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@ -2,6 +2,7 @@
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <stdint.h>
#include "../headers/hashmap.h"
@ -67,11 +68,10 @@ void hashmap_destroy(struct hashmap *hashmap) {
struct hashmap *hashmap_copy_ref(struct hashmap *hashmap) {
pthread_mutex_t *mutex = &(hashmap->meta_mutex);
pthread_mutex_lock(mutex);
size_t ref_count = hashmap->ref_count;
hashmap->ref_count += 1;
if (ref_count > hashmap->ref_count) {
hashmap->ref_count -= 1;
if (hashmap->ref_count == SIZE_MAX) {
hashmap = NULL;
} else {
hashmap->ref_count += 1;
}
pthread_mutex_unlock(mutex);
return hashmap;