import the plan 9 libraries libc (lib9) and libbio into the tree.

remove the dependency on /home/r.

SVN=122482

1 files changed, 78 insertions, 0 deletions

diff --git a/src/lib9/dirfwstat.c b/src/lib9/dirfwstat.c
new file mode 100644
index 000000000..657a98df0
--- /dev/null
+++ b/src/lib9/dirfwstat.c
@@ -0,0 +1,78 @@
+/*
+Plan 9 from User Space src/lib9/dirfwstat.c
+http://code.swtch.com/plan9port/src/tip/src/lib9/dirfwstat.c
+
+Copyright 2001-2007 Russ Cox.  All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#define NOPLAN9DEFINES
+#include <u.h>
+#include <libc.h>
+#include <sys/time.h>
+#include <sys/stat.h>
+
+#if defined(__FreeBSD__) || defined(__APPLE__) || defined(__OpenBSD__) || defined(__linux__)
+/* do nothing -- futimes exists and is fine */
+
+#elif defined(__SunOS5_9__)
+/* use futimesat */
+static int
+futimes(int fd, struct timeval *tv)
+{
+	return futimesat(fd, 0, tv);
+}
+
+#else
+/* provide dummy */
+/* rename just in case -- linux provides an unusable one */
+#undef futimes
+#define futimes myfutimes
+static int
+futimes(int fd, struct timeval *tv)
+{
+	werrstr("futimes not available");
+	return -1;
+}
+
+#endif
+
+int
+dirfwstat(int fd, Dir *dir)
+{
+	int ret;
+	struct timeval tv[2];
+
+	ret = 0;
+	if(~dir->mode != 0){
+		if(fchmod(fd, dir->mode) < 0)
+			ret = -1;
+	}
+	if(~dir->mtime != 0){
+		tv[0].tv_sec = dir->mtime;
+		tv[0].tv_usec = 0;
+		tv[1].tv_sec = dir->mtime;
+		tv[1].tv_usec = 0;
+		if(futimes(fd, tv) < 0)
+			ret = -1;
+	}
+	return ret;
+}
+