From d89e629e52c3b525424be958de238ed1dc5a0361 Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Sun, 24 Apr 2005 05:07:59 +0000
Subject: add new subdir for e2fsprogs

---
 e2fsprogs/e2p/fgetversion.c | 62 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 e2fsprogs/e2p/fgetversion.c

(limited to 'e2fsprogs/e2p/fgetversion.c')

diff --git a/e2fsprogs/e2p/fgetversion.c b/e2fsprogs/e2p/fgetversion.c
new file mode 100644
index 000000000..351a7d5d0
--- /dev/null
+++ b/e2fsprogs/e2p/fgetversion.c
@@ -0,0 +1,62 @@
+/*
+ * fgetversion.c	- Get a file version on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994  Remy Card <card@masi.ibp.fr>
+ *                           Laboratoire MASI, Institut Blaise Pascal
+ *                           Universite Pierre et Marie Curie (Paris VI)
+ *
+ * This file can be redistributed under the terms of the GNU Library General
+ * Public License
+ */
+
+/*
+ * History:
+ * 93/10/30	- Creation
+ */
+
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+#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 fgetversion (const char * name, unsigned long * version)
+{
+#if HAVE_EXT2_IOCTLS
+#if !APPLE_DARWIN
+	int fd, r, ver, save_errno = 0;
+
+	fd = open (name, OPEN_FLAGS);
+	if (fd == -1)
+		return -1;
+	r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
+	if (r == -1)
+		save_errno = errno;
+	*version = ver;
+	close (fd);
+	if (save_errno)
+		errno = save_errno;
+	return r;
+#else
+   int ver=-1, err;
+   err = syscall(SYS_fsctl, name, EXT2_IOC_GETVERSION, &ver, 0);
+   *version = ver;
+   return(err);
+#endif
+#else /* ! HAVE_EXT2_IOCTLS */
+	extern int errno;
+	errno = EOPNOTSUPP;
+	return -1;
+#endif /* ! HAVE_EXT2_IOCTLS */
+}
-- 
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