msvcrt: Reimplement _set_new_mode function.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msvcrt: Reimplement _set_new_mode function.
6113a251 · Piotr Caban · Alexandre Julliard · 7e9cba13 · 6113a251
Commit 6113a251 authored Jan 29, 2020 by Piotr Caban Committed by Alexandre Julliard Jan 29, 2020
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heap.c dlls/msvcrt/heap.c +2 -6

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--- a/dlls/msvcrt/heap.c
+++ b/dlls/msvcrt/heap.c
@@ -226,12 +226,8 @@ MSVCRT_new_handler_func CDECL MSVCRT_set_new_handler(void *func)
 */
 int CDECL MSVCRT__set_new_mode(int mode)
 {
-  int old_mode;
-  LOCK_HEAP;
-  old_mode = MSVCRT_new_mode;
-  MSVCRT_new_mode = mode;
-  UNLOCK_HEAP;
-  return old_mode;
+  if(!MSVCRT_CHECK_PMT(mode == 0 || mode == 1)) return -1;
+  return InterlockedExchange(&MSVCRT_new_mode, mode);
 }

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