New upstream version 0.52.0

[cargo.git] / vendor / core-foundation-sys / src / base.rs

diff --git a/vendor/core-foundation-sys/src/base.rs b/vendor/core-foundation-sys/src/base.rs
index 90b58f913cbdadb68780cf4361fd44dd4f4223f7..52a166fdf6d3095d403a6ab4b32065f414a4f769 100644 (file)
--- a/vendor/core-foundation-sys/src/base.rs
+++ b/vendor/core-foundation-sys/src/base.rs
@@ -71,13 +71,13 @@ pub type CFAllocatorPreferredSizeCallBack = extern "C" fn(size: CFIndex, hint: C
 pub struct CFAllocatorContext {
     pub version: CFIndex,
     pub info: *mut c_void,
-    pub retain: CFAllocatorRetainCallBack,
-    pub release: CFAllocatorReleaseCallBack,
-    pub copyDescription: CFAllocatorCopyDescriptionCallBack,
-    pub allocate: CFAllocatorAllocateCallBack,
-    pub reallocate: CFAllocatorReallocateCallBack,
-    pub deallocate: CFAllocatorDeallocateCallBack,
-    pub preferredSize: CFAllocatorPreferredSizeCallBack
+    pub retain: Option<CFAllocatorRetainCallBack>,
+    pub release: Option<CFAllocatorReleaseCallBack>,
+    pub copyDescription: Option<CFAllocatorCopyDescriptionCallBack>,
+    pub allocate: Option<CFAllocatorAllocateCallBack>,
+    pub reallocate: Option<CFAllocatorReallocateCallBack>,
+    pub deallocate: Option<CFAllocatorDeallocateCallBack>,
+    pub preferredSize: Option<CFAllocatorPreferredSizeCallBack>
 }
 
 /// Trait for all types which are Core Foundation reference types.