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Diffstat (limited to 'e2fsprogs/e2p/getversion.c')
-rw-r--r--e2fsprogs/e2p/getversion.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/e2fsprogs/e2p/getversion.c b/e2fsprogs/e2p/getversion.c
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+++ b/e2fsprogs/e2p/getversion.c
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+/*
+ * getversion.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
+#include <sys/ioctl.h>
+
+#include "e2p.h"
+
+int getversion (int fd, unsigned long * version)
+{
+#if HAVE_EXT2_IOCTLS
+ int r, ver;
+
+ r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
+ *version = ver;
+ return 0;
+#else /* ! HAVE_EXT2_IOCTLS */
+ extern int errno;
+ errno = EOPNOTSUPP;
+ return -1;
+#endif /* ! HAVE_EXT2_IOCTLS */
+}