[tor-commits] [tor/master] Try to restore a proper fix for bug27740 in 0.3.5.

[nickm@xxxxxxxxxxxxxx]

commit 632e0406595ade9da40317a777f438c43ea5b5f3
Author: Nick Mathewson <nickm@xxxxxxxxxxxxxx>
Date:   Tue Oct 30 07:37:17 2018 -0400

    Try to restore a proper fix for bug27740 in 0.3.5.
    
    (I messed up the merge in 289a7dbac32a981897e12a3c250f0b6c67eec809.)
---
 src/rust/protover/ffi.rs | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/rust/protover/ffi.rs b/src/rust/protover/ffi.rs
index f17f30127..e29efd6df 100644
--- a/src/rust/protover/ffi.rs
+++ b/src/rust/protover/ffi.rs
@@ -65,12 +65,7 @@ pub extern "C" fn protover_all_supported(
         if missing_out.is_null() {
             return 0;
         }
-        let c_unsupported: CString = match CString::new(unsupported.to_string()) {
-            Ok(n) => n,
-            Err(_) => return 1,
-        };
-
-        let ptr = c_unsupported.into_raw();
+        let ptr = allocate_and_copy_string(&unsupported.to_string());
         unsafe { *missing_out = ptr };
 
         return 0;



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