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msvc: add a compile-time flag to allow detailed heap debugging

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MS Visual C comes with a few neat features we can use to analyze the
heap consumption (i.e. leaks, max memory, etc).

With this patch, we introduce support via the build-time flag
`USE_MSVC_CRTDBG`.

Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff Hostetler
2019-06-25 07:49:40 -07:00
committed by Junio C Hamano
parent dce7d29551
commit 556702f86c
3 changed files with 19 additions and 0 deletions
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6
compat/mingw.c
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@ -2411,6 +2411,12 @@ int wmain(int argc, const wchar_t **wargv)
trace2_initialize_clock();
#ifdef _MSC_VER
#ifdef USE_MSVC_CRTDBG
_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif
#endif
maybe_redirect_std_handles();
/* determine size of argv and environ conversion buffer */