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-rw-r--r--win/tclWinInit.c28
1 files changed, 18 insertions, 10 deletions
diff --git a/win/tclWinInit.c b/win/tclWinInit.c
index f552e2c..2c21d38 100644
--- a/win/tclWinInit.c
+++ b/win/tclWinInit.c
@@ -486,13 +486,10 @@ TclpSetInitialEncodings(void)
Tcl_DStringFree(&encodingName);
}
-void
-TclpSetInterfaces(void)
+void TclWinSetInterfaces(
+ int dummy) /* Not used. */
{
- int useWide;
-
- useWide = (TclWinGetPlatformId() != VER_PLATFORM_WIN32_WINDOWS);
- TclWinSetInterfaces(useWide);
+ TclpSetInterfaces();
}
const char *
@@ -533,7 +530,8 @@ TclpSetVariables(
SYSTEM_INFO info;
OemId oemId;
} sys;
- OSVERSIONINFOA osInfo;
+ static OSVERSIONINFOW osInfo;
+ static int osInfoInitialized = 0;
Tcl_DString ds;
TCHAR szUserName[UNLEN+1];
DWORD cchUserNameLen = UNLEN;
@@ -541,9 +539,19 @@ TclpSetVariables(
Tcl_SetVar2Ex(interp, "tclDefaultLibrary", NULL,
TclGetProcessGlobalValue(&defaultLibraryDir), TCL_GLOBAL_ONLY);
- osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOA);
- GetVersionExA(&osInfo);
-
+ if (!osInfoInitialized) {
+ HANDLE handle = LoadLibraryW(L"NTDLL");
+ int(__stdcall *getversion)(void *) =
+ (int(__stdcall *)(void *)) GetProcAddress(handle, "RtlGetVersion");
+ osInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFOW);
+ if (!getversion || getversion(&osInfo)) {
+ GetVersionExW(&osInfo);
+ }
+ if (handle) {
+ FreeLibrary(handle);
+ }
+ osInfoInitialized = 1;
+ }
GetSystemInfo(&sys.info);
/*