a

libc/errfmt.c

@@ -0,0 +1,12 @@
+#include <u.h>
+#include <libc.h>
+#include "fmtdef.h"
+
+int
+errfmt(Fmt *f)
+{
+	char buf[ERRMAX];
+
+	rerrstr(buf, sizeof buf);
+	return _fmtcpy(f, buf, utflen(buf), strlen(buf));
+}