1 files changed, 48 insertions, 0 deletions
diff --git a/log.c b/log.c
new file mode 100644
index 0000000..ef518cd
--- /dev/null
+++ b/log.c
@@ -0,0 +1,48 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "log.h"
+
+int dodebug = 0;
+
+void
+edie(char *fmt, ...)
+{
+	va_list fmtargs;
+
+	va_start(fmtargs, fmt);
+	vfprintf(stderr, fmt, fmtargs);
+	va_end(fmtargs);
+	fprintf(stderr, ": ");
+
+	perror(NULL);
+
+	exit(1);
+}
+
+void
+die(char *fmt, ...)
+{
+	va_list fmtargs;
+
+	va_start(fmtargs, fmt);
+	vfprintf(stderr, fmt, fmtargs);
+	va_end(fmtargs);
+
+	exit(1);
+}
+
+void
+dbg(char *fmt, ...)
+{
+	va_list fmtargs;
+
+	if (dodebug) {
+		fprintf(stderr, "%s: ", argv0);
+		va_start(fmtargs, fmt);
+		vfprintf(stderr, fmt, fmtargs);
+		va_end(fmtargs);
+		fprintf(stderr, "\n");
+	}
+}