minimal plan9port to cross-build Jehanne

lib/lib9/fmt/fmtnull.c

@@ -0,0 +1,32 @@
+/* Copyright (c) 2004 Google Inc.; see LICENSE */
+#include <stdarg.h>
+#include <string.h>
+#include "plan9.h"
+#include "fmt.h"
+#include "fmtdef.h"
+
+/*
+ * Absorb output without using resources.
+ */
+static Rune nullbuf[32];
+
+static int
+__fmtnullflush(Fmt *f)
+{
+	f->to = nullbuf;
+	f->nfmt = 0;
+	return 0;
+}
+
+int
+fmtnullinit(Fmt *f)
+{
+	memset(f, 0, sizeof *f);
+	f->runes = 1;
+	f->start = nullbuf;
+	f->to = nullbuf;
+	f->stop = nullbuf+nelem(nullbuf);
+	f->flush = __fmtnullflush;
+	fmtlocaleinit(f, nil, nil, nil);
+	return 0;
+}