From 451a28349b11fe08cb3f7ca84e58b6e69646707b Mon Sep 17 00:00:00 2001 From: Richard Jones Date: Sat, 11 Sep 2010 12:05:03 +0100 Subject: [PATCH] generator: Don't use real uuidgen for UUIDs. This was one reason why capitests/tests.c changed every time the generator was run. --- generator/generator_utils.ml | 27 ++++++++++++++++----------- 1 file changed, 16 insertions(+), 11 deletions(-) diff --git a/generator/generator_utils.ml b/generator/generator_utils.ml index cede5c6..e3a74e0 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 -- 1.8.3.1