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hashmap init seems to be done

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missing any testing though
This commit is contained in:
Ivar Fatland
2026-02-28 00:05:18 +01:00
parent 24dd5250f8
commit 9140019767
2 changed files with 30 additions and 34 deletions
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hashmap.c
+28 -20
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@@ -8,27 +8,35 @@ void *hashmap_create_func(
hashmap_create_func_args_t args
) {
size_t size_of_index_arr = sizeof(int) * mapping_cap(args.initial_capacity);
size_t INC = ALIGN_OF(int);
size_t SIZE = args.itemsize * args.initial_capacity;
size_t size_of_items_arr = (SIZE + INC - 1) / INC;
size_t bytes =
sizeof(hashmap_header_t) + size_of_items_arr + size_of_index_arr;
const size_t cap_of_index_arr =
sizeof(int) * mapping_cap(args.initial_capacity);
const size_t INC = ALIGN_OF(int);
const size_t SIZE = args.itemsize * args.initial_capacity;
const size_t cap_of_items_arr = (SIZE + INC - 1) / INC;
const size_t bytes =
sizeof(hashmap_header_t) + cap_of_items_arr + cap_of_index_arr;
hashmap_header_t *header =
allocator_alloc_func(args.allocator, bytes, args.file, args.line);
hashmap_header_t *header =
allocator_alloc_func(
args.allocator,
bytes,
args.file,
args.line
);
header->n_items = 0;
header->capacity = args.initial_capacity;
header->itemsize = args.itemsize;
header->keysize = args.keysize;
header->allocator = args.allocator;
header->hash = args.hash;
header->equals = args.equals;
header->n_items = 0;
header->capacity = args.initial_capacity;
header->itemsize = args.itemsize;
header->keysize = args.keysize;
header->allocator = args.allocator;
header->hash = args.hash;
header->equals = args.equals;
header->mapping_arr = (int*) &header->bytes[cap_of_items_arr];
header->mapping_capacity = mapping_cap(args.initial_capacity);
return header->bytes;
}
int *hashmap_get_mapping_arr(hashmap_header_t *this) {
// TODO
for ( int i = 0; i < header->mapping_capacity; i++ ) {
header->mapping_arr[i] = -1;
}
return header->bytes;
}