lib: Cleanup types and assert sizeof(int) = 4

Signed-off-by: Andrew Opalach <andrew@akon.city>

1 files changed, 7 insertions, 0 deletions

diff --git a/src/lib.c b/src/lib.c
index 063da23..0033463 100644
--- a/src/lib.c
+++ b/src/lib.c
@@ -1,5 +1,12 @@
 #include "../include/al/lib.h"
 
+// https://forum.vcfed.org/index.php?threads/c-item-size-check-at-compile-time.1244920/
+#define AL_ASSERT_TYPE_SIZE(type, size) \
+  typedef char type##__size_test[( !!(sizeof(type) == size) )*2-1]
+
+AL_ASSERT_TYPE_SIZE(int, 4);
+AL_ASSERT_TYPE_SIZE(unsigned, 4);
+
 #if AL_USE_STDLIB
 static void *(*_al_malloc)(size_t) = malloc;
 static void *(*_al_calloc)(size_t, size_t) = calloc;