From 3e9f98d0f73ec483b970c19ad1752acc380c38b9 Mon Sep 17 00:00:00 2001
From: Richard Jones <rjones@redhat.com>
Date: Wed, 15 Apr 2009 14:19:03 +0100
Subject: [PATCH] Display ext2/3 details, and some bug fixes.

---
 examples/to-xml.c | 38 ++++++++++++++++++++++++++++++++++----
 1 file changed, 34 insertions(+), 4 deletions(-)

diff --git a/examples/to-xml.c b/examples/to-xml.c
index eba3a7a..63e896d 100644
--- a/examples/to-xml.c
+++ b/examples/to-xml.c
@@ -23,6 +23,7 @@
 
 static void display_partition (guestfs_h *g, const char *dev);
 static void display_partitions (guestfs_h *g, const char *dev);
+static void display_ext23 (guestfs_h *g, const char *dev, const char *fstype);
 
 int
 main (int argc, char *argv[])
@@ -114,10 +115,12 @@ display_partition (guestfs_h *g, const char *dev)
     display_partitions (g, dev);
   else if (strncmp (what, "LVM2", 4) == 0)
     printf ("<physvol/>\n");
-  else if (strstr (what, "ext2 filesystem data") == 0)
-    printf ("<fs type=\"ext2\"/>\n");
-  else if (strstr (what, "ext3 filesystem data") == 0)
-    printf ("<fs type=\"ext3\"/>\n");
+  else if (strstr (what, "ext2 filesystem data") != NULL)
+    display_ext23 (g, dev, "ext2");
+  else if (strstr (what, "ext3 filesystem data") != NULL)
+    display_ext23 (g, dev, "ext3");
+  else if (strstr (what, "Linux/i386 swap file") != NULL)
+    printf ("<linux-swap/>\n");
   else
     printf ("<unknown/>\n");
 
@@ -156,3 +159,30 @@ display_partitions (guestfs_h *g, const char *dev)
   free (parts);
   printf ("</partitions>\n");
 }
+
+/* Display some details on the ext2/3 filesystem on dev. */
+static void
+display_ext23 (guestfs_h *g, const char *dev, const char *fstype)
+{
+  char **sbfields;
+  int i;
+
+  printf ("<fs type=\"%s\">\n", fstype);
+  CALL (sbfields = guestfs_tune2fs_l (g, dev), NULL);
+
+  for (i = 0; sbfields[i] != NULL; i += 2) {
+    /* Just pick out a few important fields to display.  There
+     * is much more that could be displayed here.
+     */
+    if (strcmp (sbfields[i], "Filesystem UUID") == 0)
+      printf ("<uuid>%s</uuid>\n", sbfields[i+1]);
+    else if (strcmp (sbfields[i], "Block size") == 0)
+      printf ("<blocksize>%s</blocksize>\n", sbfields[i+1]);
+
+    free (sbfields[i]);
+    free (sbfields[i+1]);
+  }
+  free (sbfields);
+
+  printf ("</fs>\n");
+}
-- 
1.8.3.1