[FFmpeg-cvslog] atomics: Fix the win32 atomic_exchange function

[Martin Storsjö]

ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Sun Apr  4 00:04:46 2021 +0300| [b1b7cc698bed7338ff692cd65fe304941eaf6bce] | committer: Martin Storsjö

atomics: Fix the win32 atomic_exchange function

This fixes building with MSVC after
a2a38b160620d91bc3f895dadc4501c589998b9c.

Remove the stray semicolon, and add casts for the input argument
(which is an intptr_t*) to the right type (PVOID volatile *).

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b1b7cc698bed7338ff692cd65fe304941eaf6bce
---

 compat/atomics/win32/stdatomic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compat/atomics/win32/stdatomic.h b/compat/atomics/win32/stdatomic.h
index bb8e6e7e15..28a627bfd3 100644
--- a/compat/atomics/win32/stdatomic.h
+++ b/compat/atomics/win32/stdatomic.h
@@ -96,7 +96,7 @@ do {                                    \
     atomic_load(object)
 
 #define atomic_exchange(object, desired) \
-    InterlockedExchangePointer(object, desired);
+    InterlockedExchangePointer((PVOID volatile *)object, (PVOID)desired)
 
 #define atomic_exchange_explicit(object, desired, order) \
     atomic_exchange(object, desired)