New subject: check-release success (was: Re: [PATCH] common/mlutils: Remove bogus suffix parameter from Mkdtemp.temp_dir.)

Friday, 21 July 2017

The C function mkdtemp(3) requires that the string ends with 6 'X'
characters, so appending a non-empty suffix causes the function to
raise EINVAL.

Luckily we only ever called this function with the last parameter "".
---
 builder/builder.ml                  | 2 +-
 builder/sigchecker.ml               | 2 +-
 common/mlutils/unix_utils.ml        | 4 ++--
 common/mlutils/unix_utils.mli       | 4 ++--
 dib/dib.ml                          | 2 +-
 sysprep/sysprep_operation_script.ml | 2 +-
 v2v/input_ova.ml                    | 2 +-
 v2v/output_glance.ml                | 2 +-
 v2v/output_null.ml                  | 2 +-
 v2v/output_rhv.ml                   | 2 +-
 10 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/builder/builder.ml b/builder/builder.ml
index 0e02bab3b..3c1f04c77 100644
--- a/builder/builder.ml
+++ b/builder/builder.ml
@@ -181,7 +181,7 @@ let main () =
    * temporary files that Downloader, Sigchecker, etc, are going
    * create.
    *)
-  let tmpdir = Mkdtemp.temp_dir "virt-builder." "" in
+  let tmpdir = Mkdtemp.temp_dir "virt-builder." in
   rmdir_on_exit tmpdir;
 
   (* Download the sources. *)
diff --git a/builder/sigchecker.ml b/builder/sigchecker.ml
index f72c21ab0..55e743940 100644
--- a/builder/sigchecker.ml
+++ b/builder/sigchecker.ml
@@ -92,7 +92,7 @@ let import_keyfile ~gpg ~gpghome ~tmpdir ?(trust = true) keyfile =
 
 let rec create ~gpg ~gpgkey ~check_signature ~tmpdir =
   (* Create a temporary directory for gnupg. *)
-  let gpgtmpdir = Mkdtemp.temp_dir ~base_dir:tmpdir "vb.gpghome." ""
in
+  let gpgtmpdir = Mkdtemp.temp_dir ~base_dir:tmpdir "vb.gpghome." in
   (* Make sure we have no check_signature=true with no actual key. *)
   let check_signature, gpgkey =
     match check_signature, gpgkey with
diff --git a/common/mlutils/unix_utils.ml b/common/mlutils/unix_utils.ml
index 8ac36836c..b135bcaee 100644
--- a/common/mlutils/unix_utils.ml
+++ b/common/mlutils/unix_utils.ml
@@ -52,8 +52,8 @@ end
 module Mkdtemp = struct
   external mkdtemp : string -> string = "guestfs_int_mllib_mkdtemp"
 
-  let temp_dir ?(base_dir = Filename.temp_dir_name) prefix suffix =
-    mkdtemp (Filename.concat base_dir (prefix ^ "XXXXXX" ^ suffix))
+  let temp_dir ?(base_dir = Filename.temp_dir_name) prefix =
+    mkdtemp (Filename.concat base_dir (prefix ^ "XXXXXX"))
 end
 
 module Realpath = struct
diff --git a/common/mlutils/unix_utils.mli b/common/mlutils/unix_utils.mli
index 4795cb37f..f4f8ca578 100644
--- a/common/mlutils/unix_utils.mli
+++ b/common/mlutils/unix_utils.mli
@@ -80,8 +80,8 @@ module Mkdtemp : sig
   val mkdtemp : string -> string
   (** [mkdtemp pattern] Tiny wrapper to the C [mkdtemp]. *)
 
-  val temp_dir : ?base_dir:string -> string -> string -> string
-  (** [temp_dir prefix suffix] creates a new unique temporary directory.
+  val temp_dir : ?base_dir:string -> string -> string
+  (** [temp_dir prefix] creates a new unique temporary directory.
 
       The optional [~base_dir:string] changes the base directory where
       to create the new temporary directory; if not specified, the default
diff --git a/dib/dib.ml b/dib/dib.ml
index d083eed9f..e59ff94a8 100644
--- a/dib/dib.ml
+++ b/dib/dib.ml
@@ -548,7 +548,7 @@ let main () =
   let image_basename = Filename.basename cmdline.image_name in
   let image_basename_d = image_basename ^ ".d" in
 
-  let tmpdir = Mkdtemp.temp_dir "dib." "" in
+  let tmpdir = Mkdtemp.temp_dir "dib." in
   rmdir_on_exit tmpdir;
   let auxtmpdir = tmpdir // "in_target.aux" in
   do_mkdir auxtmpdir;
diff --git a/sysprep/sysprep_operation_script.ml b/sysprep/sysprep_operation_script.ml
index cf911043a..62a4a2d02 100644
--- a/sysprep/sysprep_operation_script.ml
+++ b/sysprep/sysprep_operation_script.ml
@@ -46,7 +46,7 @@ let rec script_perform (g : Guestfs.guestfs) root side_effects =
       match !scriptdir with
       | Some dir -> dir, false
       | None ->
-        let tmpdir = Mkdtemp.temp_dir "virt-sysprep." "" in
+        let tmpdir = Mkdtemp.temp_dir "virt-sysprep." in
         tmpdir, true in
 
     (* Mount the directory locally. *)
diff --git a/v2v/input_ova.ml b/v2v/input_ova.ml
index e8be68ed7..9ec991ba7 100644
--- a/v2v/input_ova.ml
+++ b/v2v/input_ova.ml
@@ -128,7 +128,7 @@ let find_files dir ext =
 class input_ova ova =
   let tmpdir =
     let base_dir = (open_guestfs ())#get_cachedir () in
-    let t = Mkdtemp.temp_dir ~base_dir "ova." "" in
+    let t = Mkdtemp.temp_dir ~base_dir "ova." in
     rmdir_on_exit t;
     t in
 object
diff --git a/v2v/output_glance.ml b/v2v/output_glance.ml
index e26bc0732..a9d267e28 100644
--- a/v2v/output_glance.ml
+++ b/v2v/output_glance.ml
@@ -34,7 +34,7 @@ class output_glance () =
    *)
   let tmpdir =
     let base_dir = (open_guestfs ())#get_cachedir () in
-    let t = Mkdtemp.temp_dir ~base_dir "glance." "" in
+    let t = Mkdtemp.temp_dir ~base_dir "glance." in
     rmdir_on_exit t;
     t in
 object
diff --git a/v2v/output_null.ml b/v2v/output_null.ml
index 9b31c2d00..e2302fc47 100644
--- a/v2v/output_null.ml
+++ b/v2v/output_null.ml
@@ -33,7 +33,7 @@ class output_null =
    *)
   let tmpdir =
     let base_dir = (open_guestfs ())#get_cachedir () in
-    let t = Mkdtemp.temp_dir ~base_dir "null." "" in
+    let t = Mkdtemp.temp_dir ~base_dir "null." in
     rmdir_on_exit t;
     t in
 object
diff --git a/v2v/output_rhv.ml b/v2v/output_rhv.ml
index 0c02df612..f1a193bde 100644
--- a/v2v/output_rhv.ml
+++ b/v2v/output_rhv.ml
@@ -40,7 +40,7 @@ let rec mount_and_check_storage_domain domain_class os =
     (* Create a mountpoint.  Default mode is too restrictive for us
      * when we need to write into the directory as 36:36.
      *)
-    let mp = Mkdtemp.temp_dir "v2v." "" in
+    let mp = Mkdtemp.temp_dir "v2v." in
     chmod mp 0o755;
 
     (* Try mounting it. *)
-- 
2.13.2


    

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[PATCH] common/mlutils: Remove bogus suffix parameter from Mkdtemp.temp_dir.