#define PRIV_ARRAY(Type) \
struct { \
Type *data; \
- ssize_t len; \
- ssize_t size; \
+ uint32_t len; \
+ uint32_t size; \
+ unsigned locked : 1; \
}
+
+#define PARRAY(Type) \
+ typedef PRIV_ARRAY(Type*) Type ## _ptr_array_t; \
+ static inline Type ## _ptr_array_t *Type ## _ptr_array_new(void) \
+ { \
+ return p_new(Type ## _ptr_array_t, 1); \
+ } \
+ \
+ static inline void Type ## _ptr_array_delete(Type ## _ptr_array_t **array) \
+ { \
+ if (*array) { \
+ if ((*array)->locked) { \
+ array_unlock(**array); \
+ } \
+ array_wipe(**array); \
+ p_delete(array); \
+ } \
+ }
+
#define ARRAY(Type) \
typedef PRIV_ARRAY(Type) Type ## _array_t; \
\
static inline void Type ## _array_delete(Type ## _array_t **array) \
{ \
if (*array) { \
+ if ((*array)->locked) { \
+ array_unlock(**array); \
+ } \
array_wipe(**array); \
p_delete(array); \
} \
- }
+ } \
+ \
+ PARRAY(Type)
+
#define A(Type) Type ## _array_t
+#define PA(Type) Type ## _ptr_array_t
-#define ARRAY_INIT { NULL, 0, 0 }
+#define ARRAY_INIT { NULL, 0, 0, false }
#define array_init(array) (array) = ARRAY_INIT
+
+#define array_can_edit(array) (!(array).locked)
+
+#define array_ensure_can_edit(array) \
+ assert(array_can_edit(array) && "Trying to edit array while it is locked")
+
#define array_wipe(array) \
do { \
+ array_ensure_can_edit(array); \
p_delete(&(array).data); \
(array).len = 0; \
(array).size = 0; \
array_ensure_capacity_delta(array, 1); \
(array).data[(array).len++] = (obj); \
} while (0)
-#define array_append(array, objs, len) \
+#define array_append(array, objs, Len) \
do { \
- const ssize_t __len = (len); \
+ const typeof((array).len) __len = (Len); \
array_ensure_capacity_delta(array, __len); \
memcpy((array).data + (array).len, objs, \
__len * sizeof(*(array).data)); \
} while (0)
#define array_ensure_capacity(array, goal) \
do { \
+ array_ensure_can_edit(array); \
if ((array).size < (goal)) { \
- const ssize_t required_size = (goal); \
- ssize_t next_size = (array).size; \
+ const typeof((array).size) required_size = (goal); \
+ typeof((array).size) next_size = (array).size; \
do { \
next_size = p_alloc_nr(next_size); \
} while (next_size < required_size); \
#define array_ensure_capacity_delta(array, delta) \
array_ensure_capacity(array, (array).len + (delta))
#define array_ensure_exact_capacity(array, goal) \
- if (array_size(array) < (goal)) { \
+ if ((array).size < (goal)) { \
+ array_ensure_can_edit(array); \
p_allocgrow(&(array).data, (goal), &(array).size); \
}
#define array_adjust(array) \
do { \
+ array_ensure_can_edit(array); \
p_shrink(&(array).data, (array).len, &(array).size); \
} while (0)
-#define array_elt(array, n) (array).data[(n)]
-#define array_ptr(array, n) (array).data + (n)
+#define array_elt(array, n) ((array).data[(n)])
+#define array_ptr(array, n) ((array).data + (n))
#define foreach(var, array) \
- for (int __Ai = 0 ; __Ai < (array).len ; ++__Ai) { \
+ for (uint32_t __Ai = 0 ; __Ai < (array).len ; ++__Ai) { \
var = array_ptr(array, __Ai);
#define array_foreach(array, action) \
- for (int __Ai = 0 ; __Ai < (array).len ; ++__Ai) { \
+ for (uint32_t __Ai = 0 ; __Ai < (array).len ; ++__Ai) { \
action(array_ptr(array, __Ai)); \
}
#define array_deep_wipe(array, wipe) \
array_wipe(array); \
} while (0)
+#define array_len(array) (array).len
+#define array_size(array) (array).size
+#define array_elt_len(array) sizeof(*(array).data)
+#define array_byte_len(array) ((array).len * array_elt_len(array))
+
#define array_lock(array) \
- !(mlock((array).data, (array).len * sizeof(*(array).data)) != 0)
+ ((array).locked \
+ || (mlock((array).data, array_byte_len(array)) == 0 \
+ && ((array).locked = true)))
#define array_unlock(array) \
- (void)munlock((array).data, (array).len * sizeof(*(array).data))
+ if ((array).locked) { \
+ (void)munlock((array).data, array_byte_len(array)); \
+ (array).locked = false; \
+ }
ARRAY(char)
ARRAY(int)
+ARRAY(bool)
+ARRAY(uint16_t)
ARRAY(uint32_t)
+PARRAY(void)
+
#endif