X-Git-Url: http://git.annexia.org/?p=libguestfs.git;a=blobdiff_plain;f=generator%2Fgenerator_utils.ml;h=425a57941f8e4668715d4dc876290152da6af9e9;hp=cede5c67349f17410f8735383871d7cf57b80adf;hb=428a45c3e15f03e9861e1b551e1ae8da821dba5f;hpb=04d8209077d2227eb1d42695ba71147f78987050

diff --git a/generator/generator_utils.ml b/generator/generator_utils.ml
index cede5c6..425a579 100644
--- a/generator/generator_utils.ml
+++ b/generator/generator_utils.ml
@@ -28,18 +28,23 @@ open Printf
 
 open Generator_types
 
-(* Generate a random UUID (used in tests). *)
+(* Generate a uuidgen-compatible UUID (used in tests).  However to
+ * avoid having the UUID change every time we rebuild the tests,
+ * generate it as a function of the contents of the
+ * generator_actions.ml file.
+ * 
+ * Originally I thought uuidgen was using RFC 4122, but it doesn't
+ * appear to.
+ *
+ * Note that the format must be 01234567-0123-0123-0123-0123456789ab
+ *)
 let uuidgen () =
-  let chan = open_process_in "uuidgen" in
-  let uuid = input_line chan in
-  (match close_process_in chan with
-   | WEXITED 0 -> ()
-   | WEXITED _ ->
-       failwith "uuidgen: process exited with non-zero status"
-   | WSIGNALED _ | WSTOPPED _ ->
-       failwith "uuidgen: process signalled or stopped by signal"
-  );
-  uuid
+  let s = Digest.to_hex (Digest.file "generator/generator_actions.ml") in
+  String.sub s 0 8 ^ "-"
+  ^ String.sub s 8 4 ^ "-"
+  ^ String.sub s 12 4 ^ "-"
+  ^ String.sub s 16 4 ^ "-"
+  ^ String.sub s 20 12
 
 type rstructs_used_t = RStructOnly | RStructListOnly | RStructAndList
 
@@ -78,8 +83,8 @@ let rstructs_used_by functions =
   in
 
   List.iter (
-    fun (_, style, _, _, _, _, _) ->
-      match fst style with
+    fun (_, (ret, _, _), _, _, _, _, _) ->
+      match ret with
       | RStruct (_, structname) -> update structname RStructOnly
       | RStructList (_, structname) -> update structname RStructListOnly
       | _ -> ()
@@ -234,6 +239,8 @@ let seq_of_test = function
   | TestOutputTrue s | TestOutputFalse s
   | TestOutputLength (s, _) | TestOutputBuffer (s, _)
   | TestOutputStruct (s, _)
+  | TestOutputFileMD5 (s, _)
+  | TestOutputDevice (s, _)
   | TestLastFail s -> s
 
 let c_quote str =
@@ -296,3 +303,14 @@ let pod2text ~width name longdesc =
     pod2text_memo_updated ();
     lines
 
+(* Compare two actions (for sorting). *)
+let action_compare (n1,_,_,_,_,_,_) (n2,_,_,_,_,_,_) = compare n1 n2
+
+let chars c n =
+  let str = String.create n in
+  for i = 0 to n-1 do
+    String.unsafe_set str i c
+  done;
+  str
+
+let spaces n = chars ' ' n