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Ivar Fatland
2026-04-12 11:15:24 +02:00
parent 83d66aaf36
commit 9a07b00a2c
2 changed files with 57 additions and 60 deletions
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cig.h
+9 -9
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@@ -14,7 +14,7 @@ typedef union any_align { char c; int i; long l; long long ll; float f; double d
#define KB (1024)
#define MB (KB * KB)
#define GB (KB * KB * KB)
#define PTR_FROM_FIELD_PTR(STRUCT, FIELD, PTR) ((STRUCT *) (((char *) PTR) - offsetof(STRUCT, FIELD)))
#define PTR_FROM_FIELD_PTR(STRUCT, FIELD, PTR) ((STRUCT *) (((char *) (PTR)) - offsetof(STRUCT, FIELD)))
// Contains all operations an allocator can do. Similar interface to sdtlibs
// malloc, realloc and free.
@@ -235,8 +235,8 @@ void arr_qsort(void *this, dyn_array_cmp_fn cmp_fn);
// maps ////////////////////////////////////////////////////////////////////
typedef unsigned int (*hash_func_t)(void *key);
typedef bool (*equals_func_t)(void *key1, void *key2);
typedef unsigned int (*key_hash_func_t)(const void *key);
typedef bool (*key_equals_func_t)(const void *key1, const void *key2);
typedef struct map_header {
unsigned int capacity;
@@ -246,8 +246,8 @@ typedef struct map_header {
unsigned int n_items;
unsigned int key_offset;
allocator_t allocator;
hash_func_t hash;
equals_func_t equals;
key_hash_func_t hash;
key_equals_func_t equals;
int *mapping_arr;
union {
uint8_t bytes[1];
@@ -258,8 +258,8 @@ typedef struct map_header {
typedef struct map_create_func_args {
allocator_t allocator;
const char *file;
hash_func_t hash; // OPTIONAL
equals_func_t equals; // OPTIONAL
key_hash_func_t hash; // OPTIONAL
key_equals_func_t equals; // OPTIONAL
unsigned int initial_capacity; // OPTIONAL
unsigned int item_size;
unsigned int key_offset;
@@ -269,9 +269,7 @@ typedef struct map_create_func_args {
void *map_create_func(map_create_func_args_t args);
// key should be the first item in the key-value struct.
#define init_map(PTR, ...) do { \
STATIC_ASSERT(((size_t)PTR) == ((size_t)(&PTR->key))); \
PTR = map_create_func((map_create_func_args_t) { \
.item_size=sizeof(*PTR), \
.key_size=sizeof(PTR->key), \
@@ -281,6 +279,8 @@ void *map_create_func(map_create_func_args_t args);
.key_offset=offsetof(PTR->key), \
}); \
} while(0);
TODO
#define init_set(PTR, ...) TODO
int map_len(void *this);
int map_cap(void *this);