feat array: added class template

Signed-off-by: John Sanpe <sanpeqf@gmail.com>

Author: pixclk

examples/array/simple.c

@@ -14,25 +14,21 @@
 int
 main(int argc, const char *argv[])
 {
-    BFDEV_DEFINE_ARRAY(array, NULL, TEST_SIZE);
+    BFDEV_CLASS(bfdev_array, array)(NULL, TEST_SIZE);
     unsigned int count;
 
-    bfdev_array_append(&array, 0, 0);
-
     for (count = 0; count < TEST_LOOP; ++count) {
         unsigned int num;
         void *buff;
 
         num = rand() % TEST_SIZE;
-        buff = bfdev_array_push(&array, num);
+        buff = bfdev_array_push(array, num);
         if (!buff)
             return 1;
 
         memset(buff, 0, TEST_SIZE * num);
         printf("array bfdev_array_push test: %02u: %u\n", count, num);
     }
 
-    bfdev_array_release(&array);
-
     return 0;
 }

include/bfdev/array.h

@@ -12,6 +12,7 @@
 #include <bfdev/stddef.h>
 #include <bfdev/string.h>
 #include <bfdev/allocator.h>
+#include <bfdev/guards.h>
 
 BFDEV_BEGIN_DECLS
 
@@ -207,6 +208,32 @@ bfdev_array_reserve(bfdev_array_t *array, unsigned long num);
 extern void
 bfdev_array_release(bfdev_array_t *array);
 
+static inline bfdev_array_t *
+bfdev_array_create(const bfdev_alloc_t *alloc, bfdev_size_t cells)
+{
+    bfdev_array_t *obj;
+
+    obj = bfdev_malloc(alloc, sizeof(*obj));
+    if (bfdev_unlikely(!obj))
+        return BFDEV_NULL;
+    bfdev_array_init(obj, alloc, cells);
+
+    return obj;
+}
+
+static inline void
+bfdev_array_destroy(bfdev_array_t *obj)
+{
+    bfdev_array_release(obj);
+    bfdev_free(obj->alloc, obj);
+}
+
+BFDEV_DEFINE_CLASS(bfdev_array, bfdev_array_t *,
+    bfdev_array_create(alloc, cells),
+    bfdev_array_destroy(_T),
+    const bfdev_alloc_t *alloc, bfdev_size_t cells
+)
+
 BFDEV_END_DECLS
 
 #endif /* _BFDEV_ARRAY_H_ */