1 files changed, 52 insertions, 0 deletions
diff --git a/util/lvm.c b/util/lvm.c
new file mode 100644
index 0000000..bb2c19f
--- /dev/null
+++ b/util/lvm.c
@@ -0,0 +1,52 @@
+/* lvm.c - LVM support for GRUB utils.  */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2006,2007,2008  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* We only support LVM on Linux.  */
+#ifdef __linux__
+#include <grub/emu/misc.h>
+#include <grub/util/misc.h>
+#include <grub/util/lvm.h>
+
+#include <string.h>
+#include <sys/stat.h>
+
+#define LVM_DEV_MAPPER_STRING "/dev/mapper/"
+
+int
+grub_util_lvm_isvolume (char *name)
+{
+  char *devname;
+  struct stat st;
+  int err;
+
+  devname = xmalloc (strlen (name) + sizeof (LVM_DEV_MAPPER_STRING));
+
+  strcpy (devname, LVM_DEV_MAPPER_STRING);
+  strcpy (devname + sizeof(LVM_DEV_MAPPER_STRING) - 1, name);
+
+  err = stat (devname, &st);
+  free (devname);
+
+  if (err)
+    return 0;
+  else
+    return 1;
+}
+
+#endif /* ! __linux__ */