fix invoice savefile overflow

1 files changed, 15 insertions, 0 deletions

diff --git a/include/log.hpp b/include/log.hpp
new file mode 100644
index 0000000..dcb2987
--- /dev/null
+++ b/include/log.hpp
@@ -0,0 +1,15 @@
+#pragma once
+
+#include "imgui.h"
+#include "config.hpp"
+
+#define MAX_LEN_LOG_HISTORY 256
+#define MAX_LEN_LOG_TXT     128
+
+typedef struct {
+    u32 write_cursor;
+    u32 history_length;
+    char history[MAX_LEN_LOG_HISTORY][MAX_LEN_LOG_TXT];
+} log;
+
+void log_add(double timestamp, const char* fmt, ...) IM_FMTARGS(2);
\ No newline at end of file