1 files changed, 27 insertions, 0 deletions
diff --git a/eprintf.c b/eprintf.c
new file mode 100644
index 0000000..386293b
--- /dev/null
+++ b/eprintf.c
@@ -0,0 +1,27 @@
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "eprintf.h"
+
+void
+eprintf(const char *fmt, ...) {
+	va_list args;
+
+	va_start(args, fmt);
+	fprintf(stderr, "error: ");
+	vfprintf(stderr, fmt, args);
+	fprintf(stderr, "\n");
+	va_end(args);
+	exit(1);
+}
+
+void weprintf(const char *fmt, ...) {
+	va_list args;
+
+	va_start(args, fmt);
+	fprintf(stderr, "warning: ");
+	vfprintf(stderr, fmt, args);
+	fprintf(stderr, "\n");
+	va_end(args);
+}