在 2018/11/5 3:02, Mateusz 写道: > I have problems with functions: > _ftime32, _ftime64, _ftime, _ftime32_s, _ftime64_s, _ftime_s > > There is no declaration for *32 functions. > > In 64-bit libmsvcrt.a there is no _ftime32 function. >
This isn't the case at least for me on Win7 Professional. Both x86 and x64 'MSVCRT.DLL's export all of these five functions: * _ftime * _ftime32 * _ftime32_s * _ftime64 * _ftime64_s `git blame msvcrt.def.in` recovered the line `F_ARM_ANY(_ftime32)` was added by `1035bed24`, whose commit message stated XP compatibility. > In 32-bit mode _ftime and _ftime_s are always *32 regardless of > _USE_32BIT_TIME_T (but in _mingw.h we always define _USE_32BIT_TIME_T for > 32-bit) > #if defined (_WIN32) && !defined (_WIN64) && !defined > (__MINGW_USE_VC2005_COMPAT) > #ifndef _USE_32BIT_TIME_T > #define _USE_32BIT_TIME_T > > In 32/64-bit libmsvcr120.a there is no _ftime and _ftime_s function (which is > currently declared) and this gives link error. > Verified. > In 64-bit libucrt.a _ftime function is mapped to _ftime32: in > mingw-w64-crt/lib-common/ucrtbase.def.in > _ftime == _ftime32 > > My proposition is: > We could add _ftime32 to 64-bit libmsvcrt.a and alias _ftime32 as _ftime in > 32-bit libmsvcrt.a -- in msvcrt.dll from WinXPsp2 there are only _ftime and > _ftime64 functions. > In header files we could declare *32 functions and define _ftime and _ftime_s > according to _USE_32BIT_TIME_T. > > I've attached patch that do this. > > Sample program should be compiled with > -DMINGW_HAS_SECURE_API > option. > > Please review. > These patches look good, except for this: > _CRTIMP void __cdecl _ftime64(struct __timeb64 *_Time); > + _CRTIMP void __cdecl _ftime32(struct __timeb32 *); where the parameter of `_ftime32` shouldn't be nameless. But it's a minor issue, I can amend it. -- Best regards, LH_Mouse
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