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-rw-r--r--win/tclWin32Dll.c562
1 files changed, 69 insertions, 493 deletions
diff --git a/win/tclWin32Dll.c b/win/tclWin32Dll.c
index e5e5202..634e1d2 100644
--- a/win/tclWin32Dll.c
+++ b/win/tclWin32Dll.c
@@ -12,30 +12,9 @@
*/
#include "tclWinInt.h"
-
-#ifndef TCL_NO_STACK_CHECK
-/*
- * The following functions implement stack depth checking
- */
-typedef struct ThreadSpecificData {
- int *stackBound; /* The current stack boundary */
-} ThreadSpecificData;
-static Tcl_ThreadDataKey dataKey;
-#endif /* TCL_NO_STACK_CHECK */
-
-/*
- * The following data structures are used when loading the thunking library
- * for execing child processes under Win32s.
- */
-
-typedef DWORD (WINAPI UT32PROC)(LPVOID lpBuff, DWORD dwUserDefined,
- LPVOID *lpTranslationList);
-
-typedef BOOL (WINAPI UTREGISTER)(HANDLE hModule, LPCSTR SixteenBitDLL,
- LPCSTR InitName, LPCSTR ProcName, UT32PROC **ThirtyTwoBitThunk,
- FARPROC UT32Callback, LPVOID Buff);
-
-typedef VOID (WINAPI UTUNREGISTER)(HANDLE hModule);
+#if defined(HAVE_INTRIN_H)
+# include <intrin.h>
+#endif
/*
* The following variables keep track of information about this DLL on a
@@ -54,150 +33,14 @@ static int platformId; /* Running under NT, or 95/98? */
#define cpuid __asm __emit 0fh __asm __emit 0a2h
#endif
-/*
- * The following function tables are used to dispatch to either the
- * wide-character or multi-byte versions of the operating system calls,
- * depending on whether the Unicode calls are available.
- */
-
-static TclWinProcs asciiProcs = {
- 0,
-
- (BOOL (WINAPI *)(CONST TCHAR *, LPDCB)) BuildCommDCBA,
- (TCHAR *(WINAPI *)(TCHAR *)) CharLowerA,
- (BOOL (WINAPI *)(CONST TCHAR *, CONST TCHAR *, BOOL)) CopyFileA,
- (BOOL (WINAPI *)(CONST TCHAR *, LPSECURITY_ATTRIBUTES)) CreateDirectoryA,
- (HANDLE (WINAPI *)(CONST TCHAR *, DWORD, DWORD, SECURITY_ATTRIBUTES *,
- DWORD, DWORD, HANDLE)) CreateFileA,
- (BOOL (WINAPI *)(CONST TCHAR *, TCHAR *, LPSECURITY_ATTRIBUTES,
- LPSECURITY_ATTRIBUTES, BOOL, DWORD, LPVOID, CONST TCHAR *,
- LPSTARTUPINFOA, LPPROCESS_INFORMATION)) CreateProcessA,
- (BOOL (WINAPI *)(CONST TCHAR *)) DeleteFileA,
- (HANDLE (WINAPI *)(CONST TCHAR *, WIN32_FIND_DATAT *)) FindFirstFileA,
- (BOOL (WINAPI *)(HANDLE, WIN32_FIND_DATAT *)) FindNextFileA,
- (BOOL (WINAPI *)(WCHAR *, LPDWORD)) GetComputerNameA,
- (DWORD (WINAPI *)(DWORD, WCHAR *)) GetCurrentDirectoryA,
- (DWORD (WINAPI *)(CONST TCHAR *)) GetFileAttributesA,
- (DWORD (WINAPI *)(CONST TCHAR *, DWORD nBufferLength, WCHAR *,
- TCHAR **)) GetFullPathNameA,
- (DWORD (WINAPI *)(HMODULE, WCHAR *, int)) GetModuleFileNameA,
- (DWORD (WINAPI *)(CONST TCHAR *, WCHAR *, DWORD)) GetShortPathNameA,
- (UINT (WINAPI *)(CONST TCHAR *, CONST TCHAR *, UINT uUnique,
- WCHAR *)) GetTempFileNameA,
- (DWORD (WINAPI *)(DWORD, WCHAR *)) GetTempPathA,
- (BOOL (WINAPI *)(CONST TCHAR *, WCHAR *, DWORD, LPDWORD, LPDWORD, LPDWORD,
- WCHAR *, DWORD)) GetVolumeInformationA,
- (HINSTANCE (WINAPI *)(CONST TCHAR *, HANDLE, DWORD)) LoadLibraryExA,
- (TCHAR (WINAPI *)(WCHAR *, CONST TCHAR *)) lstrcpyA,
- (BOOL (WINAPI *)(CONST TCHAR *, CONST TCHAR *)) MoveFileA,
- (BOOL (WINAPI *)(CONST TCHAR *)) RemoveDirectoryA,
- (DWORD (WINAPI *)(CONST TCHAR *, CONST TCHAR *, CONST TCHAR *, DWORD,
- WCHAR *, TCHAR **)) SearchPathA,
- (BOOL (WINAPI *)(CONST TCHAR *)) SetCurrentDirectoryA,
- (BOOL (WINAPI *)(CONST TCHAR *, DWORD)) SetFileAttributesA,
+static Tcl_Encoding winTCharEncoding = NULL;
- /*
- * The three NULL function pointers will only be set when
- * Tcl_FindExecutable is called. If you don't ever call that function, the
- * application will crash whenever WinTcl tries to call functions through
- * these null pointers. That is not a bug in Tcl - Tcl_FindExecutable is
- * mandatory in recent Tcl releases.
- */
-
- NULL,
- NULL,
- /* deleted (int (__cdecl*)(CONST TCHAR *, struct _utimbuf *)) _utime, */
- NULL,
- NULL,
- /* getLongPathNameProc */
- NULL,
- /* Security SDK - not available on 95,98,ME */
- NULL, NULL, NULL, NULL, NULL, NULL,
- /* ReadConsole and WriteConsole */
- (BOOL (WINAPI *)(HANDLE, LPVOID, DWORD, LPDWORD, LPVOID)) ReadConsoleA,
- (BOOL (WINAPI *)(HANDLE, const VOID*, DWORD, LPDWORD, LPVOID)) WriteConsoleA,
- (BOOL (WINAPI *)(LPTSTR, LPDWORD)) GetUserNameA
-};
-
-static TclWinProcs unicodeProcs = {
- 1,
-
- (BOOL (WINAPI *)(CONST TCHAR *, LPDCB)) BuildCommDCBW,
- (TCHAR *(WINAPI *)(TCHAR *)) CharLowerW,
- (BOOL (WINAPI *)(CONST TCHAR *, CONST TCHAR *, BOOL)) CopyFileW,
- (BOOL (WINAPI *)(CONST TCHAR *, LPSECURITY_ATTRIBUTES)) CreateDirectoryW,
- (HANDLE (WINAPI *)(CONST TCHAR *, DWORD, DWORD, SECURITY_ATTRIBUTES *,
- DWORD, DWORD, HANDLE)) CreateFileW,
- (BOOL (WINAPI *)(CONST TCHAR *, TCHAR *, LPSECURITY_ATTRIBUTES,
- LPSECURITY_ATTRIBUTES, BOOL, DWORD, LPVOID, CONST TCHAR *,
- LPSTARTUPINFOA, LPPROCESS_INFORMATION)) CreateProcessW,
- (BOOL (WINAPI *)(CONST TCHAR *)) DeleteFileW,
- (HANDLE (WINAPI *)(CONST TCHAR *, WIN32_FIND_DATAT *)) FindFirstFileW,
- (BOOL (WINAPI *)(HANDLE, WIN32_FIND_DATAT *)) FindNextFileW,
- (BOOL (WINAPI *)(WCHAR *, LPDWORD)) GetComputerNameW,
- (DWORD (WINAPI *)(DWORD, WCHAR *)) GetCurrentDirectoryW,
- (DWORD (WINAPI *)(CONST TCHAR *)) GetFileAttributesW,
- (DWORD (WINAPI *)(CONST TCHAR *, DWORD nBufferLength, WCHAR *,
- TCHAR **)) GetFullPathNameW,
- (DWORD (WINAPI *)(HMODULE, WCHAR *, int)) GetModuleFileNameW,
- (DWORD (WINAPI *)(CONST TCHAR *, WCHAR *, DWORD)) GetShortPathNameW,
- (UINT (WINAPI *)(CONST TCHAR *, CONST TCHAR *, UINT uUnique,
- WCHAR *)) GetTempFileNameW,
- (DWORD (WINAPI *)(DWORD, WCHAR *)) GetTempPathW,
- (BOOL (WINAPI *)(CONST TCHAR *, WCHAR *, DWORD, LPDWORD, LPDWORD, LPDWORD,
- WCHAR *, DWORD)) GetVolumeInformationW,
- (HINSTANCE (WINAPI *)(CONST TCHAR *, HANDLE, DWORD)) LoadLibraryExW,
- (TCHAR (WINAPI *)(WCHAR *, CONST TCHAR *)) lstrcpyW,
- (BOOL (WINAPI *)(CONST TCHAR *, CONST TCHAR *)) MoveFileW,
- (BOOL (WINAPI *)(CONST TCHAR *)) RemoveDirectoryW,
- (DWORD (WINAPI *)(CONST TCHAR *, CONST TCHAR *, CONST TCHAR *, DWORD,
- WCHAR *, TCHAR **)) SearchPathW,
- (BOOL (WINAPI *)(CONST TCHAR *)) SetCurrentDirectoryW,
- (BOOL (WINAPI *)(CONST TCHAR *, DWORD)) SetFileAttributesW,
-
- /*
- * The three NULL function pointers will only be set when
- * Tcl_FindExecutable is called. If you don't ever call that function, the
- * application will crash whenever WinTcl tries to call functions through
- * these null pointers. That is not a bug in Tcl - Tcl_FindExecutable is
- * mandatory in recent Tcl releases.
- */
-
- NULL,
- NULL,
- /* deleted (int (__cdecl*)(CONST TCHAR *, struct _utimbuf *)) _wutime, */
- NULL,
- NULL,
- /* getLongPathNameProc */
- NULL,
- /* Security SDK - will be filled in on NT,XP,2000,2003 */
- NULL, NULL, NULL, NULL, NULL, NULL,
- /* ReadConsole and WriteConsole */
- (BOOL (WINAPI *)(HANDLE, LPVOID, DWORD, LPDWORD, LPVOID)) ReadConsoleW,
- (BOOL (WINAPI *)(HANDLE, const VOID*, DWORD, LPDWORD, LPVOID)) WriteConsoleW,
- (BOOL (WINAPI *)(LPTSTR, LPDWORD)) GetUserNameW
-};
-
-TclWinProcs *tclWinProcs;
-static Tcl_Encoding tclWinTCharEncoding;
-
-#ifdef HAVE_NO_SEH
-/*
- * Need to add noinline flag to DllMain declaration so that gcc -O3 does not
- * inline asm code into DllEntryPoint and cause a compile time error because
- * of redefined local labels.
- */
-
-BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD reason,
- LPVOID reserved) __attribute__ ((noinline));
-#else
/*
* The following declaration is for the VC++ DLL entry point.
*/
BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD reason,
LPVOID reserved);
-#endif /* HAVE_NO_SEH */
/*
* The following structure and linked list is to allow us to map between
@@ -206,8 +49,8 @@ BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD reason,
*/
typedef struct MountPointMap {
- CONST WCHAR *volumeName; /* Native wide string volume name. */
- char driveLetter; /* Drive letter corresponding to the volume
+ const TCHAR *volumeName; /* Native wide string volume name. */
+ TCHAR driveLetter; /* Drive letter corresponding to the volume
* name. */
struct MountPointMap *nextPtr;
/* Pointer to next structure in list, or
@@ -226,8 +69,6 @@ TCL_DECLARE_MUTEX(mountPointMap)
* We will need this below.
*/
-extern Tcl_FSDupInternalRepProc TclNativeDupInternalRep;
-
#ifdef __WIN32__
#ifndef STATIC_BUILD
@@ -270,10 +111,7 @@ DllEntryPoint(
* TRUE on sucess, FALSE on failure.
*
* Side effects:
- * Establishes 32-to-16 bit thunk and initializes sockets library. This
- * might call some sycronization functions, but MSDN documentation
- * states: "Waiting on synchronization objects in DllMain can cause a
- * deadlock."
+ * Initializes most rudimentary Windows bits.
*
*----------------------------------------------------------------------
*/
@@ -284,105 +122,16 @@ DllMain(
DWORD reason, /* Reason this function is being called. */
LPVOID reserved) /* Not used. */
{
-#if defined(HAVE_NO_SEH) && !defined(_WIN64)
- TCLEXCEPTION_REGISTRATION registration;
-#endif
-
switch (reason) {
case DLL_PROCESS_ATTACH:
DisableThreadLibraryCalls(hInst);
TclWinInit(hInst);
return TRUE;
- case DLL_PROCESS_DETACH:
/*
- * Protect the call to Tcl_Finalize. The OS could be unloading us from
- * an exception handler and the state of the stack might be unstable.
+ * DLL_PROCESS_DETACH is unnecessary as the user should call
+ * Tcl_Finalize explicitly before unloading Tcl.
*/
-
-#if defined(HAVE_NO_SEH) && !defined(_WIN64)
- __asm__ __volatile__ (
-
- /*
- * Construct an TCLEXCEPTION_REGISTRATION to protect the call to
- * Tcl_Finalize
- */
-
- "leal %[registration], %%edx" "\n\t"
- "movl %%fs:0, %%eax" "\n\t"
- "movl %%eax, 0x0(%%edx)" "\n\t" /* link */
- "leal 1f, %%eax" "\n\t"
- "movl %%eax, 0x4(%%edx)" "\n\t" /* handler */
- "movl %%ebp, 0x8(%%edx)" "\n\t" /* ebp */
- "movl %%esp, 0xc(%%edx)" "\n\t" /* esp */
- "movl %[error], 0x10(%%edx)" "\n\t" /* status */
-
- /*
- * Link the TCLEXCEPTION_REGISTRATION on the chain
- */
-
- "movl %%edx, %%fs:0" "\n\t"
-
- /*
- * Call Tcl_Finalize
- */
-
- "call _Tcl_Finalize" "\n\t"
-
- /*
- * Come here on a normal exit. Recover the TCLEXCEPTION_REGISTRATION
- * and store a TCL_OK status
- */
-
- "movl %%fs:0, %%edx" "\n\t"
- "movl %[ok], %%eax" "\n\t"
- "movl %%eax, 0x10(%%edx)" "\n\t"
- "jmp 2f" "\n"
-
- /*
- * Come here on an exception. Get the TCLEXCEPTION_REGISTRATION that
- * we previously put on the chain.
- */
-
- "1:" "\t"
- "movl %%fs:0, %%edx" "\n\t"
- "movl 0x8(%%edx), %%edx" "\n"
-
-
- /*
- * Come here however we exited. Restore context from the
- * TCLEXCEPTION_REGISTRATION in case the stack is unbalanced.
- */
-
- "2:" "\t"
- "movl 0xc(%%edx), %%esp" "\n\t"
- "movl 0x8(%%edx), %%ebp" "\n\t"
- "movl 0x0(%%edx), %%eax" "\n\t"
- "movl %%eax, %%fs:0" "\n\t"
-
- :
- /* No outputs */
- :
- [registration] "m" (registration),
- [ok] "i" (TCL_OK),
- [error] "i" (TCL_ERROR)
- :
- "%eax", "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"
- );
-
-#else
-#ifndef HAVE_NO_SEH
- __try {
-#endif
- Tcl_Finalize();
-#ifndef HAVE_NO_SEH
- } __except (EXCEPTION_EXECUTE_HANDLER) {
- /* empty handler body. */
- }
-#endif
-#endif
-
- break;
}
return TRUE;
@@ -440,15 +189,18 @@ TclWinInit(
platformId = os.dwPlatformId;
/*
- * We no longer support Win32s, so just in case someone manages to get a
- * runtime there, make sure they know that.
+ * We no longer support Win32s or Win9x, so just in case someone manages
+ * to get a runtime there, make sure they know that.
*/
if (platformId == VER_PLATFORM_WIN32s) {
Tcl_Panic("Win32s is not a supported platform");
}
+ if (platformId == VER_PLATFORM_WIN32_WINDOWS) {
+ Tcl_Panic("Windows 9x is not a supported platform");
+ }
- tclWinProcs = &asciiProcs;
+ TclWinResetInterfaces();
}
/*
@@ -461,9 +213,10 @@ TclWinInit(
*
* Results:
* The return value is one of:
- * VER_PLATFORM_WIN32s Win32s on Windows 3.1. (not supported)
- * VER_PLATFORM_WIN32_WINDOWS Win32 on Windows 95, 98, ME.
- * VER_PLATFORM_WIN32_NT Win32 on Windows NT, 2000, XP
+ * VER_PLATFORM_WIN32s Win32s on Windows 3.1 (not supported)
+ * VER_PLATFORM_WIN32_WINDOWS Win32 on Windows 95, 98, ME (not supported)
+ * VER_PLATFORM_WIN32_NT Win32 on Windows NT, 2000, XP
+ * VER_PLATFORM_WIN32_CE Win32 on Windows CE
*
* Side effects:
* None.
@@ -509,95 +262,11 @@ TclWinNoBackslash(
}
/*
- *----------------------------------------------------------------------
- *
- * TclpGetStackParams --
- *
- * Determine the stack params for the current thread: in which
- * direction does the stack grow, and what is the stack lower (resp.
- * upper) bound for safe invocation of a new command? This is used to
- * cache the values needed for an efficient computation of
- * TclpCheckStackSpace() when the interp is known.
- *
- * Results:
- * Returns 1 if the stack grows down, in which case a stack lower bound
- * is stored at stackBoundPtr. If the stack grows up, 0 is returned and
- * an upper bound is stored at stackBoundPtr. If a bound cannot be
- * determined NULL is stored at stackBoundPtr.
- *
- *----------------------------------------------------------------------
- */
-
-#ifndef TCL_NO_STACK_CHECK
-int
-TclpGetCStackParams(
- int **stackBoundPtr)
-{
- ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
- SYSTEM_INFO si; /* The system information, used to
- * determine the page size */
- MEMORY_BASIC_INFORMATION mbi;
- /* The information about the memory
- * area in which the stack resides */
-
- if (!tsdPtr->stackBound
- || ((UINT_PTR)&tsdPtr < (UINT_PTR)tsdPtr->stackBound)) {
-
- /*
- * Either we haven't determined the stack bound in this thread,
- * or else we've overflowed the bound that we previously
- * determined. We need to find a new stack bound from
- * Windows.
- */
-
- GetSystemInfo(&si);
- if (VirtualQuery((LPCVOID) &tsdPtr, &mbi, sizeof(mbi)) == 0) {
-
- /* For some reason, the system didn't let us query the
- * stack size. Nevertheless, we got here and haven't
- * blown up yet. Don't update the calculated stack bound.
- * If there is no calculated stack bound yet, set it to
- * the base of the current page of stack. */
-
- if (!tsdPtr->stackBound) {
- tsdPtr->stackBound =
- (int*) ((UINT_PTR)(&tsdPtr)
- & ~ (UINT_PTR)(si.dwPageSize - 1));
- }
-
- } else {
-
- /* The allocation base of the stack segment has to be advanced
- * by one page (to allow for the guard page maintained in the
- * C runtime) and then by TCL_WIN_STACK_THRESHOLD (to allow
- * for the amount of stack that Tcl needs).
- */
-
- tsdPtr->stackBound =
- (int*) ((UINT_PTR)(mbi.AllocationBase)
- + (UINT_PTR)(si.dwPageSize)
- + TCL_WIN_STACK_THRESHOLD);
- }
- }
- *stackBoundPtr = tsdPtr->stackBound;
- return 1;
-}
-#endif
-
-
-/*
*---------------------------------------------------------------------------
*
- * TclWinSetInterfaces --
- *
- * A helper proc that allows the test library to change the tclWinProcs
- * structure to dispatch to either the wide-character or multi-byte
- * versions of the operating system calls, depending on whether Unicode
- * is the system encoding.
+ * TclpSetInterfaces --
*
- * As well as this, we can also try to load in some additional procs
- * which may/may not be present depending on the current Windows version
- * (e.g. Win95 will not have the procs below).
+ * A helper proc that initializes winTCharEncoding.
*
* Results:
* None.
@@ -609,115 +278,18 @@ TclpGetCStackParams(
*/
void
-TclWinSetInterfaces(
- int wide) /* Non-zero to use wide interfaces, 0
- * otherwise. */
+TclpSetInterfaces(void)
{
- Tcl_FreeEncoding(tclWinTCharEncoding);
-
- if (wide) {
- tclWinProcs = &unicodeProcs;
- tclWinTCharEncoding = Tcl_GetEncoding(NULL, "unicode");
- if (tclWinProcs->getFileAttributesExProc == NULL) {
- HINSTANCE hInstance = LoadLibraryA("kernel32");
- if (hInstance != NULL) {
- tclWinProcs->getFileAttributesExProc =
- (BOOL (WINAPI *)(CONST TCHAR *, GET_FILEEX_INFO_LEVELS,
- LPVOID)) GetProcAddress(hInstance,
- "GetFileAttributesExW");
- tclWinProcs->createHardLinkProc =
- (BOOL (WINAPI *)(CONST TCHAR *, CONST TCHAR*,
- LPSECURITY_ATTRIBUTES)) GetProcAddress(hInstance,
- "CreateHardLinkW");
- tclWinProcs->findFirstFileExProc =
- (HANDLE (WINAPI *)(CONST TCHAR*, UINT, LPVOID, UINT,
- LPVOID, DWORD)) GetProcAddress(hInstance,
- "FindFirstFileExW");
- tclWinProcs->getVolumeNameForVMPProc =
- (BOOL (WINAPI *)(CONST TCHAR*, TCHAR*,
- DWORD)) GetProcAddress(hInstance,
- "GetVolumeNameForVolumeMountPointW");
- tclWinProcs->getLongPathNameProc =
- (DWORD (WINAPI *)(CONST TCHAR*, TCHAR*,
- DWORD)) GetProcAddress(hInstance, "GetLongPathNameW");
- FreeLibrary(hInstance);
- }
- hInstance = LoadLibraryA("advapi32");
- if (hInstance != NULL) {
- tclWinProcs->getFileSecurityProc = (BOOL (WINAPI *)(
- LPCTSTR lpFileName,
- SECURITY_INFORMATION RequestedInformation,
- PSECURITY_DESCRIPTOR pSecurityDescriptor,
- DWORD nLength, LPDWORD lpnLengthNeeded))
- GetProcAddress(hInstance, "GetFileSecurityW");
- tclWinProcs->impersonateSelfProc = (BOOL (WINAPI *) (
- SECURITY_IMPERSONATION_LEVEL ImpersonationLevel))
- GetProcAddress(hInstance, "ImpersonateSelf");
- tclWinProcs->openThreadTokenProc = (BOOL (WINAPI *) (
- HANDLE ThreadHandle, DWORD DesiredAccess,
- BOOL OpenAsSelf, PHANDLE TokenHandle))
- GetProcAddress(hInstance, "OpenThreadToken");
- tclWinProcs->revertToSelfProc = (BOOL (WINAPI *) (void))
- GetProcAddress(hInstance, "RevertToSelf");
- tclWinProcs->mapGenericMaskProc = (VOID (WINAPI *) (
- PDWORD AccessMask, PGENERIC_MAPPING GenericMapping))
- GetProcAddress(hInstance, "MapGenericMask");
- tclWinProcs->accessCheckProc = (BOOL (WINAPI *)(
- PSECURITY_DESCRIPTOR pSecurityDescriptor,
- HANDLE ClientToken, DWORD DesiredAccess,
- PGENERIC_MAPPING GenericMapping,
- PPRIVILEGE_SET PrivilegeSet,
- LPDWORD PrivilegeSetLength, LPDWORD GrantedAccess,
- LPBOOL AccessStatus)) GetProcAddress(hInstance,
- "AccessCheck");
- FreeLibrary(hInstance);
- }
- }
- } else {
- tclWinProcs = &asciiProcs;
- tclWinTCharEncoding = NULL;
- if (tclWinProcs->getFileAttributesExProc == NULL) {
- HINSTANCE hInstance = LoadLibraryA("kernel32");
- if (hInstance != NULL) {
- tclWinProcs->getFileAttributesExProc =
- (BOOL (WINAPI *)(CONST TCHAR *, GET_FILEEX_INFO_LEVELS,
- LPVOID)) GetProcAddress(hInstance,
- "GetFileAttributesExA");
- tclWinProcs->createHardLinkProc =
- (BOOL (WINAPI *)(CONST TCHAR *, CONST TCHAR*,
- LPSECURITY_ATTRIBUTES)) GetProcAddress(hInstance,
- "CreateHardLinkA");
- tclWinProcs->findFirstFileExProc = NULL;
- tclWinProcs->getLongPathNameProc = NULL;
- /*
- * The 'findFirstFileExProc' function exists on some of
- * 95/98/ME, but it seems not to work as anticipated.
- * Therefore we don't set this function pointer. The relevant
- * code will fall back on a slower approach using the normal
- * findFirstFileProc.
- *
- * (HANDLE (WINAPI *)(CONST TCHAR*, UINT,
- * LPVOID, UINT, LPVOID, DWORD)) GetProcAddress(hInstance,
- * "FindFirstFileExA");
- */
- tclWinProcs->getVolumeNameForVMPProc =
- (BOOL (WINAPI *)(CONST TCHAR*, TCHAR*,
- DWORD)) GetProcAddress(hInstance,
- "GetVolumeNameForVolumeMountPointA");
- FreeLibrary(hInstance);
- }
- }
- }
+ TclWinResetInterfaces();
+ winTCharEncoding = Tcl_GetEncoding(NULL, "unicode");
}
/*
*---------------------------------------------------------------------------
*
- * TclWinResetInterfaceEncodings --
+ * TclWinEncodingsCleanup --
*
- * Called during finalization to free up any encodings we use. The
- * tclWinProcs-> look up table is still ok to use after this call,
- * provided no encoding conversion is required.
+ * Called during finalization to free up any encodings we use.
*
* We also clean up any memory allocated in our mount point map which is
* used to follow certain kinds of symlinks. That code should never be
@@ -733,13 +305,11 @@ TclWinSetInterfaces(
*/
void
-TclWinResetInterfaceEncodings(void)
+TclWinEncodingsCleanup(void)
{
MountPointMap *dlIter, *dlIter2;
- if (tclWinTCharEncoding != NULL) {
- Tcl_FreeEncoding(tclWinTCharEncoding);
- tclWinTCharEncoding = NULL;
- }
+
+ TclWinResetInterfaces();
/*
* Clean up the mount point map.
@@ -749,8 +319,8 @@ TclWinResetInterfaceEncodings(void)
dlIter = driveLetterLookup;
while (dlIter != NULL) {
dlIter2 = dlIter->nextPtr;
- ckfree((char*)dlIter->volumeName);
- ckfree((char*)dlIter);
+ ckfree(dlIter->volumeName);
+ ckfree(dlIter);
dlIter = dlIter2;
}
Tcl_MutexUnlock(&mountPointMap);
@@ -762,8 +332,6 @@ TclWinResetInterfaceEncodings(void)
* TclWinResetInterfaces --
*
* Called during finalization to reset us to a safe state for reuse.
- * After this call, it is best not to use the tclWinProcs-> look up table
- * since it is likely to be different to what is expected.
*
* Results:
* None.
@@ -776,7 +344,10 @@ TclWinResetInterfaceEncodings(void)
void
TclWinResetInterfaces(void)
{
- tclWinProcs = &asciiProcs;
+ if (winTCharEncoding != NULL) {
+ Tcl_FreeEncoding(winTCharEncoding);
+ winTCharEncoding = NULL;
+ }
}
/*
@@ -803,11 +374,11 @@ TclWinResetInterfaces(void)
char
TclWinDriveLetterForVolMountPoint(
- CONST WCHAR *mountPoint)
+ const TCHAR *mountPoint)
{
MountPointMap *dlIter, *dlPtr2;
- WCHAR Target[55]; /* Target of mount at mount point */
- WCHAR drive[4] = { L'A', L':', L'\\', L'\0' };
+ TCHAR Target[55]; /* Target of mount at mount point */
+ TCHAR drive[4] = TEXT("A:\\");
/*
* Detect the volume mounted there. Unfortunately, there is no simple way
@@ -818,28 +389,28 @@ TclWinDriveLetterForVolMountPoint(
Tcl_MutexLock(&mountPointMap);
dlIter = driveLetterLookup;
while (dlIter != NULL) {
- if (wcscmp(dlIter->volumeName, mountPoint) == 0) {
+ if (_tcscmp(dlIter->volumeName, mountPoint) == 0) {
/*
* We need to check whether this information is still valid, since
* either the user or various programs could have adjusted the
* mount points on the fly.
*/
- drive[0] = L'A' + (dlIter->driveLetter - 'A');
+ drive[0] = (TCHAR) dlIter->driveLetter;
/*
* Try to read the volume mount point and see where it points.
*/
- if ((*tclWinProcs->getVolumeNameForVMPProc)((TCHAR*)drive,
- (TCHAR*)Target, 55) != 0) {
- if (wcscmp((WCHAR*)dlIter->volumeName, Target) == 0) {
+ if (GetVolumeNameForVolumeMountPoint(drive,
+ Target, 55) != 0) {
+ if (_tcscmp(dlIter->volumeName, Target) == 0) {
/*
* Nothing has changed.
*/
Tcl_MutexUnlock(&mountPointMap);
- return dlIter->driveLetter;
+ return (char) dlIter->driveLetter;
}
}
@@ -866,8 +437,8 @@ TclWinDriveLetterForVolMountPoint(
* Now dlPtr2 points to the structure to free.
*/
- ckfree((char*)dlPtr2->volumeName);
- ckfree((char*)dlPtr2);
+ ckfree(dlPtr2->volumeName);
+ ckfree(dlPtr2);
/*
* Restart the loop - we could try to be clever and continue half
@@ -890,23 +461,23 @@ TclWinDriveLetterForVolMountPoint(
* Try to read the volume mount point and see where it points.
*/
- if ((*tclWinProcs->getVolumeNameForVMPProc)((TCHAR*)drive,
- (TCHAR*)Target, 55) != 0) {
+ if (GetVolumeNameForVolumeMountPoint(drive,
+ Target, 55) != 0) {
int alreadyStored = 0;
for (dlIter = driveLetterLookup; dlIter != NULL;
dlIter = dlIter->nextPtr) {
- if (wcscmp((WCHAR*)dlIter->volumeName, Target) == 0) {
+ if (_tcscmp(dlIter->volumeName, Target) == 0) {
alreadyStored = 1;
break;
}
}
if (!alreadyStored) {
- dlPtr2 = (MountPointMap *) ckalloc(sizeof(MountPointMap));
+ dlPtr2 = ckalloc(sizeof(MountPointMap));
dlPtr2->volumeName = TclNativeDupInternalRep(Target);
- dlPtr2->driveLetter = 'A' + (drive[0] - L'A');
+ dlPtr2->driveLetter = (char) drive[0];
dlPtr2->nextPtr = driveLetterLookup;
- driveLetterLookup = dlPtr2;
+ driveLetterLookup = dlPtr2;
}
}
}
@@ -917,9 +488,9 @@ TclWinDriveLetterForVolMountPoint(
for (dlIter = driveLetterLookup; dlIter != NULL;
dlIter = dlIter->nextPtr) {
- if (wcscmp(dlIter->volumeName, mountPoint) == 0) {
+ if (_tcscmp(dlIter->volumeName, mountPoint) == 0) {
Tcl_MutexUnlock(&mountPointMap);
- return dlIter->driveLetter;
+ return (char) dlIter->driveLetter;
}
}
@@ -928,11 +499,11 @@ TclWinDriveLetterForVolMountPoint(
* that fact and store '-1' so we don't have to look it up each time.
*/
- dlPtr2 = (MountPointMap*) ckalloc(sizeof(MountPointMap));
- dlPtr2->volumeName = TclNativeDupInternalRep((ClientData)mountPoint);
+ dlPtr2 = ckalloc(sizeof(MountPointMap));
+ dlPtr2->volumeName = TclNativeDupInternalRep((ClientData) mountPoint);
dlPtr2->driveLetter = -1;
dlPtr2->nextPtr = driveLetterLookup;
- driveLetterLookup = dlPtr2;
+ driveLetterLookup = dlPtr2;
Tcl_MutexUnlock(&mountPointMap);
return -1;
}
@@ -989,27 +560,27 @@ TclWinDriveLetterForVolMountPoint(
TCHAR *
Tcl_WinUtfToTChar(
- CONST char *string, /* Source string in UTF-8. */
+ const char *string, /* Source string in UTF-8. */
int len, /* Source string length in bytes, or < 0 for
* strlen(). */
Tcl_DString *dsPtr) /* Uninitialized or free DString in which the
* converted string is stored. */
{
- return (TCHAR *) Tcl_UtfToExternalDString(tclWinTCharEncoding,
+ return (TCHAR *) Tcl_UtfToExternalDString(winTCharEncoding,
string, len, dsPtr);
}
char *
Tcl_WinTCharToUtf(
- CONST TCHAR *string, /* Source string in Unicode when running NT,
+ const TCHAR *string, /* Source string in Unicode when running NT,
* ANSI when running 95. */
int len, /* Source string length in bytes, or < 0 for
* platform-specific string length. */
Tcl_DString *dsPtr) /* Uninitialized or free DString in which the
* converted string is stored. */
{
- return Tcl_ExternalToUtfDString(tclWinTCharEncoding,
- (CONST char *) string, len, dsPtr);
+ return Tcl_ExternalToUtfDString(winTCharEncoding,
+ (const char *) string, len, dsPtr);
}
/*
@@ -1037,11 +608,16 @@ TclWinCPUID(
{
int status = TCL_ERROR;
-#if defined(__GNUC__)
+#if defined(HAVE_INTRIN_H) && defined(_WIN64)
+
+ __cpuid(regsPtr, index);
+ status = TCL_OK;
+
+#elif defined(__GNUC__)
# if defined(_WIN64)
/*
* Execute the CPUID instruction with the given index, and store results
- * off 'regsPtr'.
+ * off 'regPtr'.
*/
__asm__ __volatile__(