assert that assets are always aligned properly.

3 files changed, 7 insertions, 3 deletions

diff --git a/asset.c b/asset.c
index 31a6d8c..9b5b0fb 100644
--- a/asset.c
+++ b/asset.c
@@ -1,8 +1,12 @@
+#include "memory.h"
 #include "pack.h"
+#include "plat.h"
 #include "asset.h"
 
 const unsigned char* get_asset(Asset_ID id) {
-	return &asset_data[asset_offset_table[id]];
+	const void* ptr = &asset_data[asset_offset_table[id]];
+	assert(aligned(ptr, allocation_default_alignment));
+	return ptr;
 }
 
 const struct Bitmap* get_bitmap(Asset_ID id) {
diff --git a/memory.c b/memory.c
index b5c6a70..91e4a5b 100644
--- a/memory.c
+++ b/memory.c
@@ -3,7 +3,7 @@
 #include <stdint.h>
 #include <stddef.h>
 
-int aligned(void* p, int a) {
+int aligned(const void* p, int a) {
 	return (uintptr_t)p % a == 0;
 }
 
diff --git a/memory.h b/memory.h
index 38e632a..26c0382 100644
--- a/memory.h
+++ b/memory.h
@@ -1,7 +1,7 @@
 #ifndef memory_h
 #define memory_h
 
-int aligned(void* p, int a);
+int aligned(const void* p, int a);
 int align_size(int s, int a);
 
 typedef struct Arena {