Textractor/vnr/winversion/winversion.cc
mireado af3c8149d5 starting commit
english version
2015-04-02 23:27:35 +09:00

31 lines
868 B
C++

// winversion.cc
// 9/5/2014 jichi
#include "winversion/winversion.h"
#include <windows.h>
// http://stackoverflow.com/questions/940707/how-do-i-programatically-get-the-version-of-a-dll-or-exe-file
bool WinVersion::queryFileVersion(const wchar_t *path, int ver[])
{
bool ok = false;
// get the version info for the file requested
if (DWORD dwSize = ::GetFileVersionInfoSizeW(path, nullptr)) {
UINT len = 0;
BYTE *buf = new BYTE[dwSize];
VS_FIXEDFILEINFO *info = nullptr;
ok = ::GetFileVersionInfoW(path, 0, dwSize, buf)
&& ::VerQueryValueW(buf, L"\\", (LPVOID*)&info, &len)
&& info;
if (ok) {
ver[0] = HIWORD(info->dwFileVersionMS),
ver[1] = LOWORD(info->dwFileVersionMS),
ver[2] = HIWORD(info->dwFileVersionLS),
ver[3] = LOWORD(info->dwFileVersionLS);
}
delete[] buf;
}
return ok;
}
// EOF