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-rw-r--r--src/include/stdlib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/include/stdlib.h b/src/include/stdlib.h
index 2fc6805c73..35e8b3229a 100644
--- a/src/include/stdlib.h
+++ b/src/include/stdlib.h
@@ -9,6 +9,7 @@
#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
#define ALIGN_UP(x,a) ALIGN((x),(a))
#define ALIGN_DOWN(x,a) ((x) & ~((typeof(x))(a)-1UL))
+#define IS_ALIGNED(x,a) (((x) & ((typeof(x))(a)-1UL)) == 0)
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define MAX(a,b) ((a) > (b) ? (a) : (b))