1 files changed, 63 insertions, 0 deletions
diff --git a/lib/e2p/fgetproject.c b/lib/e2p/fgetproject.c
new file mode 100644
index 0000000..12320b5
--- /dev/null
+++ b/lib/e2p/fgetproject.c
@@ -0,0 +1,63 @@
+/*
+ * fgetproject.c --- get project id
+ *
+ * Copyright (C) 1999  Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "project.h"
+#endif
+
+#include "e2p.h"
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fgetproject(const char *name, unsigned long *project)
+{
+#ifndef FS_IOC_FSGETXATTR
+	errno = EOPNOTSUPP;
+	return -1;
+#else
+	int fd, r, save_errno = 0;
+	struct fsxattr fsx;
+
+	fd = open (name, OPEN_FLAGS);
+	if (fd == -1)
+		return -1;
+	r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx);
+	if (r == 0)
+		*project = fsx.fsx_projid;
+	save_errno = errno;
+	close (fd);
+	if (save_errno)
+		errno = save_errno;
+	return r;
+#endif
+}