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-rw-r--r--util.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/util.c b/util.c
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index 0000000..3553f5d
--- /dev/null
+++ b/util.c
@@ -0,0 +1,18 @@
+/*
+ * (C)opyright MMVI Anselm R. Garbe <garbeam at gmail dot com>
+ * See LICENSE file for license details.
+ */
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+void
+error(char *errstr, ...) {
+	va_list ap;
+	va_start(ap, errstr);
+	vfprintf(stderr, errstr, ap);
+	va_end(ap);
+	exit(1);
+}
+