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-rw-r--r--src/porting.cpp51
1 files changed, 37 insertions, 14 deletions
diff --git a/src/porting.cpp b/src/porting.cpp
index 9d859da7d..0a9de2a59 100644
--- a/src/porting.cpp
+++ b/src/porting.cpp
@@ -32,6 +32,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#include <windows.h>
#include <wincrypt.h>
#include <algorithm>
+ #include <shlwapi.h>
#endif
#if !defined(_WIN32)
#include <unistd.h>
@@ -181,20 +182,26 @@ bool detectMSVCBuildDir(const std::string &path)
std::string get_sysinfo()
{
#ifdef _WIN32
- OSVERSIONINFO osvi;
+
std::ostringstream oss;
- std::string tmp;
- ZeroMemory(&osvi, sizeof(OSVERSIONINFO));
- osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
- GetVersionEx(&osvi);
- tmp = osvi.szCSDVersion;
- std::replace(tmp.begin(), tmp.end(), ' ', '_');
-
- oss << "Windows/" << osvi.dwMajorVersion << "."
- << osvi.dwMinorVersion;
- if (osvi.szCSDVersion[0])
- oss << "-" << tmp;
- oss << " ";
+ LPSTR filePath = new char[MAX_PATH];
+ UINT blockSize;
+ VS_FIXEDFILEINFO *fixedFileInfo;
+
+ GetSystemDirectoryA(filePath, MAX_PATH);
+ PathAppendA(filePath, "kernel32.dll");
+
+ DWORD dwVersionSize = GetFileVersionInfoSizeA(filePath, NULL);
+ LPBYTE lpVersionInfo = new BYTE[dwVersionSize];
+
+ GetFileVersionInfoA(filePath, 0, dwVersionSize, lpVersionInfo);
+ VerQueryValueA(lpVersionInfo, "\\", (LPVOID *)&fixedFileInfo, &blockSize);
+
+ oss << "Windows/"
+ << HIWORD(fixedFileInfo->dwProductVersionMS) << '.' // Major
+ << LOWORD(fixedFileInfo->dwProductVersionMS) << '.' // Minor
+ << HIWORD(fixedFileInfo->dwProductVersionLS) << ' '; // Build
+
#ifdef _WIN64
oss << "x86_64";
#else
@@ -205,6 +212,9 @@ std::string get_sysinfo()
oss << "x86";
#endif
+ delete[] lpVersionInfo;
+ delete[] filePath;
+
return oss.str();
#else
struct utsname osinfo;
@@ -408,7 +418,7 @@ bool setSystemPaths()
#endif
for (std::list<std::string>::const_iterator
- i = trylist.begin(); i != trylist.end(); i++) {
+ i = trylist.begin(); i != trylist.end(); ++i) {
const std::string &trypath = *i;
if (!fs::PathExists(trypath) ||
!fs::PathExists(trypath + DIR_DELIM + "builtin")) {
@@ -942,5 +952,18 @@ void attachOrCreateConsole(void)
#endif
}
+// Load performance counter frequency only once at startup
+#ifdef _WIN32
+
+inline double get_perf_freq()
+{
+ LARGE_INTEGER freq;
+ QueryPerformanceFrequency(&freq);
+ return freq.QuadPart;
+}
+
+double perf_freq = get_perf_freq();
+
+#endif
} //namespace porting