X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;ds=sidebyside;f=utils.ml;h=3afcf99be5f1b5cb04c8d56cd3ea71af4424fa4f;hb=f53eb0cec9cd5272de5b0e9009b27231ed252487;hp=0bf18fa94a791d714b0c7bcc54da359a39ebb427;hpb=f0a4c05b84a29abe171d0b82d5f6305606b3ce8d;p=guestfs-browser.git

diff --git a/utils.ml b/utils.ml
index 0bf18fa..3afcf99 100644
--- a/utils.ml
+++ b/utils.ml
@@ -64,6 +64,38 @@ let connect_uri () = !connect_uri
 
 let utf8_rarrow = "\xe2\x86\x92"
 
+let pretty_string_of_exn =
+  function
+  | Guestfs.Error str ->
+      "Libguestfs error",
+      sprintf "libguestfs reported an error:
+
+%s
+
+To get more information about libguestfs errors, run guestfs-browser
+with the -x flag on the command line."
+        str
+
+  | Libvirt.Virterror err ->
+      "Libvirt error",
+      sprintf "libvirt reported an error:
+
+%s
+
+To get more information about libvirt errors, run guestfs-browser
+from the command line like this:
+
+LIBVIRT_DEBUG=1 guestfs-browser"
+        (Libvirt.Virterror.to_string err)
+
+  (* Add more exception types here as we come across them.  Last
+   * case below is the catch-all.
+   *)
+  | exn ->
+      let str = Printexc.to_string exn in
+      debug "pretty_string_of_exn: unhandled exception %s" str;
+      "Error", str
+
 let human_size i =
   if i < 1024L then
     sprintf "%Ld" i
@@ -223,3 +255,21 @@ and reg_hex_of_string ?(split_long_lines=false) v =
 let local_file_exists filename =
   try Unix.access filename [Unix.F_OK]; true
   with Unix.Unix_error _ -> false
+
+let basename pathname =
+  let len = String.length pathname in
+  try
+    let i = String.rindex pathname '/' in
+    let r = String.sub pathname (i+1) (len-i-1) in
+    if r = "" then "root" else r
+  with
+    Not_found -> pathname
+
+let extension pathname =
+  let len = String.length pathname in
+  try
+    let i = String.rindex pathname '.' in
+    let r = String.sub pathname i (len-i) in
+    r
+  with
+    Not_found -> ""