1 files changed, 12 insertions, 0 deletions
diff --git a/malloc/alignment/alignment.c b/malloc/alignment/alignment.c
new file mode 100644
index 0000000..99429c4
--- /dev/null
+++ b/malloc/alignment/alignment.c
@@ -0,0 +1,12 @@
+#include "alignment.h"
+
+size_t align(size_t size)
+{
+    size_t padding = size % sizeof(long double);
+    if (padding)
+        padding = sizeof(long double) - padding;
+    size_t res;
+    if (__builtin_uaddl_overflow(size, padding, &res))
+        return 0;
+    return res;
+}