1 files changed, 52 insertions, 0 deletions
diff --git a/ltp_framework/lib/tst_is_cwd.c b/ltp_framework/lib/tst_is_cwd.c
new file mode 100644
index 0000000..636aaca
--- /dev/null
+++ b/ltp_framework/lib/tst_is_cwd.c
@@ -0,0 +1,52 @@
+/*
+ * Michal Simek <monstr@monstr.eu>, 2009-08-03 - ramfs
+ * Kumar Gala <galak@kernel.crashing.org>, 2007-11-14 - nfs
+ * Ricky Ng-Adam <rngadam@yahoo.com>, 2005-01-01 - tmpfs
+ *
+ * DESCRIPTION
+ *	Check if current directory is on a tmpfs/nfs/ramfs filesystem
+ *	If current directory is tmpfs/nfs/ramfs, return 1
+ *	If current directory is NOT tmpfs/nfs/ramfs, return 0
+ */
+
+#include <sys/vfs.h>
+
+#define TMPFS_MAGIC 0x01021994 /* man 2 statfs */
+int tst_is_cwd_tmpfs(void)
+{
+	struct statfs sf;
+	statfs(".", &sf);
+
+	/* Verify that the file is not on a tmpfs (in-memory) filesystem */
+	return (sf.f_type == TMPFS_MAGIC);
+}
+
+#define NFS_MAGIC 0x6969 /* man 2 statfs */
+int tst_is_cwd_nfs(void)
+{
+	struct statfs sf;
+	statfs(".", &sf);
+
+	/* Verify that the file is not on a nfs filesystem */
+	return (sf.f_type == NFS_MAGIC);
+}
+
+#define V9FS_MAGIC 0x01021997 /* kernel-source/include/linux/magic.h */
+int tst_is_cwd_v9fs(void)
+{
+        struct statfs sf;
+        statfs(".", &sf);
+
+        /*  Verify that the file is not on a nfs filesystem */
+        return (sf.f_type == V9FS_MAGIC);
+}
+
+#define RAMFS_MAGIC 0x858458f6
+int tst_is_cwd_ramfs(void)
+{
+	struct statfs sf;
+	statfs(".", &sf);
+
+	/* Verify that the file is not on a ramfs (in-memory) filesystem */
+	return (sf.f_type == RAMFS_MAGIC);
+}