1 files changed, 38 insertions, 0 deletions
diff --git a/wv_err.h b/wv_err.h
new file mode 100644
index 0000000..43d5f84
--- /dev/null
+++ b/wv_err.h
@@ -0,0 +1,38 @@
+#ifndef WV_ERR_H
+#define WV_ERR_H
+
+#ifdef __OpenBSD__
+#include <err.h>
+#else
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <string.h>
+
+static void err(int eval, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	fprintf(stderr, "wv: ");
+	vfprintf(stderr, fmt, ap);
+	fprintf(stderr, ": %s\n", strerror(errno));
+	va_end(ap);
+	exit(eval);
+}
+
+static void errx(int eval, const char *fmt, ...)
+{
+	va_list ap;
+
+	va_start(ap, fmt);
+	fprintf(stderr, "wv: ");
+	vfprintf(stderr, fmt, ap);
+	fprintf(stderr, "\n");
+	va_end(ap);
+	exit(eval);
+}
+#endif /* !__OpenBSD__ */
+
+#endif /* WV_ERR_H */