Prepare files for public release

include/util/log.h

@@ -0,0 +1,32 @@
+//
+// Created by sligh on 2026-01-09.
+//
+
+#ifndef LOG_H
+#define LOG_H
+
+#define ERRBUF_SIZE 300
+
+#include "spdlog/spdlog.h"
+
+#ifdef _WIN32
+
+void print_errno() {
+    char errbuf[ERRBUF_SIZE];
+    FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, WSAGetLastError(), 0, errbuf, sizeof(errbuf),
+                  NULL);
+    spdlog::error("{}", errbuf);
+}
+
+#else
+
+#include <errno.h>
+#include <string.h>
+
+void print_errno() {
+    spdlog::error("{}", strerror(errno));
+}
+
+#endif
+
+#endif //LOG_H