Add config and log

1 files changed, 29 insertions, 0 deletions

diff --git a/src/log.c b/src/log.c
new file mode 100644
index 0000000..52d7028
--- /dev/null
+++ b/src/log.c
@@ -0,0 +1,29 @@
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include "log.h"
+
+static const char *log_levels[] = {
+	"info"
+	"warning",
+	"error",
+	"fatal",
+};
+
+void log_msg(enum log_level level, const char *namespace, const char *format, ...) {
+	va_list args;
+	va_start(args, format);
+
+	fprintf(stderr, "%s: %s: ", log_levels[level], namespace);
+	vfprintf(stderr, format, args);
+	fprintf(stderr, "\n");
+
+	if (level == LOG_ERROR) {
+		exit(EXIT_FAILURE);
+	} else if (level == LOG_FATAL) {
+		abort();
+	}
+
+	va_end(args);
+}
+