add userland fuse library. ok beck deraadt

from Sylvestre Gallon ccna.syl gmail.com

1 files changed, 40 insertions, 0 deletions

diff --git a/lib/libfuse/debug.c b/lib/libfuse/debug.c
new file mode 100644
index 00000000000..e6262136451
--- /dev/null
+++ b/lib/libfuse/debug.c
@@ -0,0 +1,40 @@
+/*	$OpenBSD: debug.c,v 1.1 2013/06/03 16:00:50 tedu Exp $	*/
+/*
+ * Copyright (c) 2011 Alexandre Ratchov <alex@caoua.org>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "debug.h"
+
+#ifdef DEBUG
+/*
+ * debug level, -1 means uninitialized
+ */
+int ifuse_debug = -1;
+
+void
+ifuse_debug_init(void)
+{
+	char *dbg;
+
+	if (ifuse_debug < 0) {
+		dbg = issetugid() ? NULL : getenv("FUSE_DEBUG");
+		if (!dbg || sscanf(dbg, "%u", &ifuse_debug) != 1)
+			ifuse_debug = 0;
+	}
+}
+#endif