Add align_ptr() to utils_common.h

Signed-off-by: Lukasz Dorau <[email protected]>

Author: ldorau

src/utils/utils_common.h

@@ -96,6 +96,17 @@ static inline size_t align_size(size_t size, size_t alignment) {
     }
 }
 
+static inline void *align_ptr(void *ptr, size_t alignment) {
+    // align pointer to 'alignment' bytes
+    uintptr_t uptr = (uintptr_t)ptr;
+    uintptr_t rest = uptr & (alignment - 1);
+    if (rest) {
+        return (void *)(uptr - rest + alignment);
+    } else {
+        return ptr;
+    }
+}
+
 #ifdef __cplusplus
 }
 #endif