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OpenCOW: dynamic call to GetLongPathNameA

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This commit is contained in:
crazii 2023-12-03 06:42:43 +08:00
parent db65b54e78
commit 5eb3e9e3f3
1 changed files with 15 additions and 7 deletions
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22
vs/opencow/src/kernel32.cpp
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@ -956,6 +956,8 @@ OCOW_DEF(DWORD, GetLogicalDriveStringsW,(
return len;
}
typedef BOOL (WINAPI *fpGetLongPathNameA)(LPCSTR,LPSTR,DWORD);
static fpGetLongPathNameA pGetLongPathNameA;
OCOW_DEF(DWORD, GetLongPathNameW,(
IN LPCWSTR lpszShortPath,
@ -974,13 +976,19 @@ OCOW_DEF(DWORD, GetLongPathNameW,(
if (!mbcsLongPath.SetCapacity((int) dwResult))
return 0;
}
#if (defined(_WIN32_WINDOWS) && _WIN32_WINDOWS >= 0x0410) || (defined(_WIN32_WINNT) && _WIN32_WINNT >= 0x0500) //Win98+/2k+
dwResult = ::GetLongPathNameA(mbcsShortPath, mbcsLongPath, (DWORD) mbcsLongPath.BufferSize());
#else
dwResult = mbcsShortPath.BufferSize() + 1;
if(dwResult <= mbcsLongPath.BufferSize())
memcpy(mbcsLongPath, mbcsShortPath, dwResult);
#endif
if((g_nPlatform > MZ_PLATFORM_95 && g_nPlatform <= MZ_PLATFORM_ME) || g_nPlatform >= MZ_PLATFORM_2K)
{
if(!pGetLongPathNameA)
pGetLongPathNameA = (fpGetLongPathNameA) ::GetProcAddress(
::GetModuleHandleA("kernel32.dll"), "GetLongPathNameA");
dwResult = pGetLongPathNameA ? pGetLongPathNameA(mbcsShortPath, mbcsLongPath, (DWORD) mbcsLongPath.BufferSize()) : 0;
}
else
{
dwResult = mbcsShortPath.BufferSize() + 1;
if(dwResult <= mbcsLongPath.BufferSize())
memcpy(mbcsLongPath, mbcsShortPath, dwResult);
}
if (!dwResult)
return 0;
}