Hello, While working on recent changes in my posix32 library, I found out that since this commit[1], library fails to build with mingw-w64 headers when configured for UWP.
The reason is that mingw-w64's heapapi.h guards declarations of `HeapSummary` function and `*HEAP_SUMMARY` typedefs under `WINAPI_PARTITION_DESKTOP`, while recent Microsoft headers guard it under `WINAPI_PARTITION_APP`. This patch fixes it. - Kirill Makurin [1] https://github.com/maiddaisuki/posix32/commit/2b8c782820e06a7eb3b14d88befb26fbd2781cb8
From 878eb01346cf237ab0ba092350d38829ac93ed49 Mon Sep 17 00:00:00 2001 From: Kirill Makurin <[email protected]> Date: Thu, 21 May 2026 12:53:49 +0900 Subject: [PATCH] headers: heapapi.h: move declarations of HEAP_SUMMARY and HeapSummary under WINAPI_PARTITION_APP Recent Microsoft headers guard declarations of `HeapSummary` function and `HeapSummary` structure under `WINAPI_PARTITION_APP`. Signed-off-by: Kirill Makurin <[email protected]> --- mingw-w64-headers/include/heapapi.h | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/mingw-w64-headers/include/heapapi.h b/mingw-w64-headers/include/heapapi.h index 6c9ee9243..e49465232 100644 --- a/mingw-w64-headers/include/heapapi.h +++ b/mingw-w64-headers/include/heapapi.h @@ -15,18 +15,7 @@ extern "C" { #endif #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP) - typedef struct _HEAP_SUMMARY { - DWORD cb; - SIZE_T cbAllocated; - SIZE_T cbCommitted; - SIZE_T cbReserved; - SIZE_T cbMaxReserve; - } HEAP_SUMMARY,*PHEAP_SUMMARY; - - typedef PHEAP_SUMMARY LPHEAP_SUMMARY; - WINBASEAPI WINBOOL WINAPI HeapValidate (HANDLE hHeap, DWORD dwFlags, LPCVOID lpMem); - WINBOOL WINAPI HeapSummary (HANDLE hHeap, DWORD dwFlags, LPHEAP_SUMMARY lpSummary); #endif #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_DESKTOP) || NTDDI_VERSION >= NTDDI_WIN10_19H1 @@ -41,6 +30,17 @@ extern "C" { #endif #if WINAPI_FAMILY_PARTITION (WINAPI_PARTITION_APP) + typedef struct _HEAP_SUMMARY { + DWORD cb; + SIZE_T cbAllocated; + SIZE_T cbCommitted; + SIZE_T cbReserved; + SIZE_T cbMaxReserve; + } HEAP_SUMMARY,*PHEAP_SUMMARY; + + typedef PHEAP_SUMMARY LPHEAP_SUMMARY; + + WINBOOL WINAPI HeapSummary (HANDLE hHeap, DWORD dwFlags, LPHEAP_SUMMARY lpSummary); WINBASEAPI HANDLE WINAPI HeapCreate (DWORD flOptions, SIZE_T dwInitialSize, SIZE_T dwMaximumSize); WINBASEAPI SIZE_T WINAPI HeapCompact (HANDLE hHeap, DWORD dwFlags); WINBASEAPI WINBOOL WINAPI HeapDestroy (HANDLE hHeap); -- 2.51.0.windows.1
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