2 files changed, 4 insertions, 0 deletions
diff --git a/kernel/assert.h b/kernel/assert.h
new file mode 100644
index 0000000..2519b7f
--- /dev/null
+++ b/kernel/assert.h
@@ -0,0 +1 @@
+#define STATIC_ASSERT(COND,MSG) typedef char static_assert_##MSG[(COND)?1:-1]
diff --git a/kernel/main.c b/kernel/main.c
index 8c120e9..0633254 100644
--- a/kernel/main.c
+++ b/kernel/main.c
@@ -1,4 +1,5 @@
 #include <stdint.h>
+#include "assert.h"
 #include "util.h"
 
 #define VGA_WIDTH 80
@@ -11,6 +12,8 @@ struct e820_entry {
 	uint32_t ext_attr;
 };
 
+STATIC_ASSERT(sizeof(struct e820_entry) == 24, e820_entry);
+
 static uint64_t *
 memsetu64(uint64_t *const dst, const uint64_t c, const uint64_t n)
 {