1 files changed, 12 insertions, 21 deletions
diff --git a/src/ungrateful.h b/src/ungrateful.h
index 8d1e70e..e3c52cf 100644
--- a/src/ungrateful.h
+++ b/src/ungrateful.h
@@ -146,14 +146,14 @@ extern List un_list_create(u64 start_capacity, u64 element_size, Allocator alloc
 extern void un_list_destroy(List *list);
 
 extern List  un_list_clone(List *list, Allocator alloc);
-extern void  un_list_append(List *list, void *data);
+extern b32   un_list_append(List *list, void *data); /* Returns true if succeed. */
 extern void *un_list_get(List *list, u64 index);
 extern void  un_list_remove(List *list, u64 index);
 
 /* ---- no-wide string API ---- */
 
 typedef struct {
-    s64 size;
+    u64 size;
     u8 *data;
 } String;
 
@@ -170,30 +170,21 @@ extern String un_string_swap(String input, u8 from, u8 to, Allocator alloc);
 extern List   un_string_split(String input, String pattern, Allocator alloc);
 extern String un_string_join(List string_list, String separator, Allocator alloc);
 
-extern String un_string_substring(String input, s64 start, s64 max_size);
+extern String un_string_substring(String input, u64 start, u64 max_size);
 
 extern s64    un_string_index_of(String input, u8 value, u64 skip_count);
 extern s64    un_string_index_of_last(String input, u8 value);
 
+/* Simplest formatter, supports:
+ *
+ * %% - %
+ * %c - char (internally u32)
+ * %u - u64
+ * %d - s64
+ * %s - String
+ * */
 extern String un_string_format(Allocator alloc, String buffer, ...);
-extern String un_string_tformat(String buffer, ...);
-
-/* ---- Logging API ---- */
-
-typedef enum {
-    UN_LOG_TRACE,
-    UN_LOG_DEBUG,
-    UN_LOG_INFO,
-    UN_LOG_WARNING,
-    UN_LOG_ERROR,
-    UN_LOG_FATAL,
-    UN_LOG_RAW
-} Log_Level;
-
-extern Log_Level un_current_log_level;
-
-extern void un_log_write(Log_Level level, String format, ...);
-extern void un_log_write_cstring(Log_Level level, u8 *format, ...);
+extern String un_string_vformat(Allocator alloc, String buffer, va_list args);
 
 #if defined(__cplusplus)
 }