[Libguestfs] [PATCH] generator.ml: Fix string list memory leak

[Matthew Booth]

Parsed string lists are allocated by malloc, but were never freed.
---
 src/generator.ml |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)

diff --git a/src/generator.ml b/src/generator.ml
index 7571f95..439c9c4 100755
--- a/src/generator.ml
+++ b/src/generator.ml
@@ -6320,7 +6320,7 @@ and generate_fish_cmds () =
         | OptString n
         | FileIn n
         | FileOut n -> pr "  const char *%s;\n" n
-        | StringList n | DeviceList n -> pr "  char *const *%s;\n" n
+        | StringList n | DeviceList n -> pr "  char **%s;\n" n
         | Bool n -> pr "  int %s;\n" n
         | Int n -> pr "  int %s;\n" n
       ) (snd style);
@@ -6364,6 +6364,15 @@ and generate_fish_cmds () =
       generate_c_call_args ~handle:"g" style;
       pr ";\n";
 
+      List.iter (
+        function
+        | Pathname name | Device name | Dev_or_Path name | String name
+        | OptString name | FileIn name | FileOut name | Bool name
+        | Int name -> ()
+        | StringList name | DeviceList name ->
+            pr "  free_strings (%s);\n" name
+      ) (snd style);
+
       (* Check return value for errors and display command results. *)
       (match fst style with
        | RErr -> pr "  return r;\n"
-- 
1.6.2.5