1 files changed, 40 insertions, 0 deletions
diff --git a/src/crepe/util/log.cpp b/src/crepe/util/log.cpp
new file mode 100644
index 0000000..0c2ce1e
--- /dev/null
+++ b/src/crepe/util/log.cpp
@@ -0,0 +1,40 @@
+#include <cstdarg>
+#include <cstdio>
+#include <cstdlib>
+#include <string>
+
+#include "fmt.h"
+#include "log.h"
+
+using namespace crepe::util;
+
+static const char * const LOG_PREFIX[] = {
+	[log_level::DEBUG] = "[DBG] ",
+	[log_level::INFO] = "[INFO] ",
+	[log_level::WARNING] = "[WARN] ",
+	[log_level::ERROR] = "[ERR] ",
+};
+
+static void log(enum log_level level, const std::string & msg) {
+	using namespace std;
+	string out = string(LOG_PREFIX[level]) + msg;
+	if (!out.ends_with("\n")) out += "\n";
+
+	// TODO: also log to file or smth
+	printf("%s", out.c_str());
+	fflush(stdout);
+}
+
+void crepe::util::logf(const char * fmt, ...) {
+	va_list args;
+	va_start(args, fmt);
+	log(log_level::DEBUG, va_stringf(args, fmt));
+	va_end(args);
+}
+
+void crepe::util::logf(log_level level, const char * fmt, ...) {
+	va_list args;
+	va_start(args, fmt);
+	log(level, va_stringf(args, fmt));
+	va_end(args);
+}