1 files changed, 43 insertions, 0 deletions
diff --git a/sway/log.c b/sway/log.c
new file mode 100644
index 00000000..6ac7026f
--- /dev/null
+++ b/sway/log.c
@@ -0,0 +1,43 @@
+#include "log.h"
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int colored = 1;
+int v = 0;
+
+const char *verbosity_colors[] = {
+	"", // L_SILENT
+	"\x1B[1;31m", // L_ERROR
+	"\x1B[1;34m", // L_INFO
+	"\x1B[1;30m", // L_DEBUG
+};
+
+void init_log(int verbosity) {
+	v = verbosity;
+}
+
+void sway_abort(char *format, ...) {
+	fprintf(stderr, "ERROR: ");
+	va_list args;
+	va_start(args, format);
+	vfprintf(stderr, format, args);
+	va_end(args);
+	fprintf(stderr, "\n");
+	exit(1);
+}
+
+void sway_log(int verbosity, char* format, ...) {
+	if (verbosity <= v) {
+		int c = verbosity;
+		if (c > sizeof(verbosity_colors) / sizeof(char *)) {
+			c = sizeof(verbosity_colors) / sizeof(char *) - 1;
+		}
+		fprintf(stderr, verbosity_colors[c]);
+		va_list args;
+		va_start(args, format);
+		vfprintf(stderr, format, args);
+		va_end(args);
+		fprintf(stderr, "\x1B[0m\n");
+	}
+}