3 files changed, 5 insertions, 4 deletions
diff --git a/README.md b/README.md
index bacfc0d..7ee2af7 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 - Benchmark 1MB file
 - More modern include pragma (once)
 - File structure
-- Ignore some errors
+- Static functions for private?
 
 ## Resources
 
diff --git a/string.h b/string.h
index 2420f91..a984929 100644
--- a/string.h
+++ b/string.h
@@ -6,7 +6,8 @@
 
 #ifndef STRING_H
 #define STRING_H
-#define S(s) (Str){s, sizeof(s) - 1}
+#define S(s)                                                                   \
+    (Str) { s, lengthof(s) }
 typedef struct {
     byte *data;
     size len;
diff --git a/testing.h b/testing.h
index 3fc5df5..d7247f1 100644
--- a/testing.h
+++ b/testing.h
@@ -10,7 +10,7 @@
 #define t_assert_equal(a, b)                                                   \
     if (!(a == b)) {                                                           \
         fprintf(stderr,                                                        \
-                "Assertion failed: %d (%s) != %d (%s) at %s:%d in %s()\n", a,  \
-                #a, b, #b, __FILE__, __LINE__, __func__);                      \
+                "Assertion failed: %d (%s) != %d (%s) at %s:%d in %s()\n",     \
+                (int)a, #a, (int)b, #b, __FILE__, __LINE__, __func__);         \
         return 1;                                                              \
     }