Tcl Source Code

declare 228 {
    void Tcl_SetErrorCode(Tcl_Interp *interp, ...)
}
declare 229 {
    void Tcl_SetMaxBlockTime(const Tcl_Time *timePtr)
}
declare 230 {nostub {Don't use this function in a stub-enabled extension}} {
    const char *Tcl_SetPanicProc(TCL_NORETURN1 Tcl_PanicProc *panicProc)
}
declare 231 {
    Tcl_Size Tcl_SetRecursionLimit(Tcl_Interp *interp, Tcl_Size depth)
}
declare 232 {
    void Tcl_SetResult(Tcl_Interp *interp, char *result,
	    Tcl_FreeProc *freeProc)

declare 518 {
    int Tcl_FSEvalFileEx(Tcl_Interp *interp, Tcl_Obj *fileName,
	    const char *encodingName)
}

# TIP#121 (exit handler) dkf for Joe Mistachkin
declare 519 {nostub {Don't use this function in a stub-enabled extension}} {
    Tcl_ExitProc *Tcl_SetExitProc(TCL_NORETURN1 Tcl_ExitProc *proc)
}

# TIP#143 (resource limits) dkf
declare 520 {
    void Tcl_LimitAddHandler(Tcl_Interp *interp, int type,
	    Tcl_LimitHandlerProc *handlerProc, void *clientData,
	    Tcl_LimitHandlerDeleteProc *deleteProc)

    Tcl_Interp *interp)
}
export {
    void Tcl_StaticLibrary(Tcl_Interp *interp, const char *prefix,
	    Tcl_LibraryInitProc *initProc, Tcl_LibraryInitProc *safeInitProc)
}
export {
    const char *Tcl_SetPanicProc(TCL_NORETURN1 Tcl_PanicProc *panicProc)
}
export {
    Tcl_ExitProc *Tcl_SetExitProc(TCL_NORETURN1 Tcl_ExitProc *proc)
}
export {
    const char *Tcl_FindExecutable(const char *argv0)
}
export {
    const char *Tcl_InitStubs(Tcl_Interp *interp, const char *version,
	int exact)

/* 227 */
EXTERN void		Tcl_SetErrno(int err);
/* 228 */
EXTERN void		Tcl_SetErrorCode(Tcl_Interp *interp, ...);
/* 229 */
EXTERN void		Tcl_SetMaxBlockTime(const Tcl_Time *timePtr);
/* 230 */
EXTERN const char *	Tcl_SetPanicProc(
				TCL_NORETURN1 Tcl_PanicProc *panicProc);
/* 231 */
EXTERN Tcl_Size		Tcl_SetRecursionLimit(Tcl_Interp *interp,
				Tcl_Size depth);
/* 232 */
EXTERN void		Tcl_SetResult(Tcl_Interp *interp, char *result,
				Tcl_FreeProc *freeProc);
/* 233 */

/* 517 */
EXTERN void		Tcl_GetCommandFullName(Tcl_Interp *interp,
				Tcl_Command command, Tcl_Obj *objPtr);
/* 518 */
EXTERN int		Tcl_FSEvalFileEx(Tcl_Interp *interp,
				Tcl_Obj *fileName, const char *encodingName);
/* 519 */
EXTERN Tcl_ExitProc *	Tcl_SetExitProc(TCL_NORETURN1 Tcl_ExitProc *proc);
/* 520 */
EXTERN void		Tcl_LimitAddHandler(Tcl_Interp *interp, int type,
				Tcl_LimitHandlerProc *handlerProc,
				void *clientData,
				Tcl_LimitHandlerDeleteProc *deleteProc);
/* 521 */
EXTERN void		Tcl_LimitRemoveHandler(Tcl_Interp *interp, int type,

    void (*tcl_SetAssocData) (Tcl_Interp *interp, const char *name, Tcl_InterpDeleteProc *proc, void *clientData); /* 223 */
    void (*tcl_SetChannelBufferSize) (Tcl_Channel chan, Tcl_Size sz); /* 224 */
    int (*tcl_SetChannelOption) (Tcl_Interp *interp, Tcl_Channel chan, const char *optionName, const char *newValue); /* 225 */
    int (*tcl_SetCommandInfo) (Tcl_Interp *interp, const char *cmdName, const Tcl_CmdInfo *infoPtr); /* 226 */
    void (*tcl_SetErrno) (int err); /* 227 */
    void (*tcl_SetErrorCode) (Tcl_Interp *interp, ...); /* 228 */
    void (*tcl_SetMaxBlockTime) (const Tcl_Time *timePtr); /* 229 */
    TCL_DEPRECATED_API("Don't use this function in a stub-enabled extension") const char * (*tcl_SetPanicProc) (TCL_NORETURN1 Tcl_PanicProc *panicProc); /* 230 */
    Tcl_Size (*tcl_SetRecursionLimit) (Tcl_Interp *interp, Tcl_Size depth); /* 231 */
    void (*tcl_SetResult) (Tcl_Interp *interp, char *result, Tcl_FreeProc *freeProc); /* 232 */
    int (*tcl_SetServiceMode) (int mode); /* 233 */
    void (*tcl_SetObjErrorCode) (Tcl_Interp *interp, Tcl_Obj *errorObjPtr); /* 234 */
    void (*tcl_SetObjResult) (Tcl_Interp *interp, Tcl_Obj *resultObjPtr); /* 235 */
    void (*tcl_SetStdChannel) (Tcl_Channel channel, int type); /* 236 */
    TCL_DEPRECATED_API("No longer in use, changed to macro") const char * (*tcl_SetVar) (Tcl_Interp *interp, const char *varName, const char *newValue, int flags); /* 237 */

    Tcl_Namespace * (*tcl_GetCurrentNamespace) (Tcl_Interp *interp); /* 512 */
    Tcl_Namespace * (*tcl_GetGlobalNamespace) (Tcl_Interp *interp); /* 513 */
    Tcl_Namespace * (*tcl_FindNamespace) (Tcl_Interp *interp, const char *name, Tcl_Namespace *contextNsPtr, int flags); /* 514 */
    Tcl_Command (*tcl_FindCommand) (Tcl_Interp *interp, const char *name, Tcl_Namespace *contextNsPtr, int flags); /* 515 */
    Tcl_Command (*tcl_GetCommandFromObj) (Tcl_Interp *interp, Tcl_Obj *objPtr); /* 516 */
    void (*tcl_GetCommandFullName) (Tcl_Interp *interp, Tcl_Command command, Tcl_Obj *objPtr); /* 517 */
    int (*tcl_FSEvalFileEx) (Tcl_Interp *interp, Tcl_Obj *fileName, const char *encodingName); /* 518 */
    TCL_DEPRECATED_API("Don't use this function in a stub-enabled extension") Tcl_ExitProc * (*tcl_SetExitProc) (TCL_NORETURN1 Tcl_ExitProc *proc); /* 519 */
    void (*tcl_LimitAddHandler) (Tcl_Interp *interp, int type, Tcl_LimitHandlerProc *handlerProc, void *clientData, Tcl_LimitHandlerDeleteProc *deleteProc); /* 520 */
    void (*tcl_LimitRemoveHandler) (Tcl_Interp *interp, int type, Tcl_LimitHandlerProc *handlerProc, void *clientData); /* 521 */
    int (*tcl_LimitReady) (Tcl_Interp *interp); /* 522 */
    int (*tcl_LimitCheck) (Tcl_Interp *interp); /* 523 */
    int (*tcl_LimitExceeded) (Tcl_Interp *interp); /* 524 */
    void (*tcl_LimitSetCommands) (Tcl_Interp *interp, Tcl_Size commandLimit); /* 525 */
    void (*tcl_LimitSetTime) (Tcl_Interp *interp, Tcl_Time *timeLimitPtr); /* 526 */

/*
 * This variable contains the application wide exit handler. It will be called
 * by Tcl_Exit instead of the C-runtime exit if this variable is set to a
 * non-NULL value.
 */

static TCL_NORETURN1 Tcl_ExitProc *appExitPtr = NULL;

typedef struct ThreadSpecificData {
    ExitHandler *firstExitPtr;	/* First in list of all exit handlers for this
				 * thread. */
    int inExit;			/* True when this thread is exiting. This is
				 * used as a hack to decide to close the
				 * standard channels. */

 *	Sets the application wide exit handler to the specified value.
 *
 *----------------------------------------------------------------------
 */

Tcl_ExitProc *
Tcl_SetExitProc(
    TCL_NORETURN1 Tcl_ExitProc *proc)		/* New exit handler for app or NULL */
{
    Tcl_ExitProc *prevExitProc;

    /*
     * Swap the old exit proc for the new one, saving the old one for our
     * return value.
     */

 */

TCL_NORETURN void
Tcl_Exit(
    int status)			/* Exit status for application; typically 0
				 * for normal return, 1 for error return. */
{
    TCL_NORETURN1 Tcl_ExitProc *currentAppExitPtr;

    Tcl_MutexLock(&exitMutex);
    currentAppExitPtr = appExitPtr;
    Tcl_MutexUnlock(&exitMutex);

    /*
     * Warning: this function SHOULD NOT return, as there is code that depends

 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tclInt.h"
#if defined(_WIN32) || defined(__CYGWIN__)
    MODULE_SCOPE TCL_NORETURN void tclWinDebugPanic(const char *format, ...);
#endif

/*
 * The panicProc variable contains a pointer to an application specific panic
 * procedure.
 */

#if defined(__CYGWIN__) || (defined(_WIN32) && (defined(TCL_NO_DEPRECATED) || TCL_MAJOR_VERSION > 8))
static TCL_NORETURN1 Tcl_PanicProc *panicProc = tclWinDebugPanic;
#else
static TCL_NORETURN1 Tcl_PanicProc *panicProc = NULL;
#endif

/*
 *----------------------------------------------------------------------
 *
 * Tcl_SetPanicProc --
 *

 *
 *----------------------------------------------------------------------
 */

#undef Tcl_SetPanicProc
const char *
Tcl_SetPanicProc(
    TCL_NORETURN1 Tcl_PanicProc *proc)
{
#if defined(_WIN32)
    /* tclWinDebugPanic only installs if there is no panicProc yet. */
    if (((Tcl_PanicProc *)proc != tclWinDebugPanic) || (panicProc == NULL))
#elif defined(__CYGWIN__)
    if (proc == NULL)
	panicProc = tclWinDebugPanic;

 *
 * Side effects:
 *	The process dies, entering the debugger if possible.
 *
 *----------------------------------------------------------------------
 */

void
Tcl_PanicVA(
    const char *format,		/* Format string, suitable for passing to
				 * fprintf. */
    va_list argList)		/* Variable argument list. */
{
    char *arg1, *arg2, *arg3;	/* Additional arguments (variable in number)
				 * to pass to fprintf. */

	tclWinDebugPanic(format, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8);
#endif
    } else {
	fprintf(stderr, format, arg1, arg2, arg3, arg4, arg5, arg6, arg7,
		arg8);
	fprintf(stderr, "\n");
	fflush(stderr);

#if defined(_WIN32) || defined(__CYGWIN__)
#   if defined(__GNUC__)
	__builtin_trap();
#   elif defined(_WIN64)
	__debugbreak();
#   elif defined(_MSC_VER) && defined (_M_IX86)
	_asm {int 3}
#   else
	DebugBreak();
#   endif
#endif
#if defined(_WIN32)
	ExitProcess(1);
#else
	abort();
#endif
    }
}

/*
 *----------------------------------------------------------------------
 *
 * Tcl_Panic --
 *

/*
 * The following comment is here so that Coverity's static analyzer knows that
 * a Tcl_Panic() call can never return and avoids lots of false positives.
 */

/* coverity[+kill] */
void
Tcl_Panic(
    const char *format,
    ...)
{
    va_list argList;

    va_start(argList, format);

 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

TCL_NORETURN void
tclWinDebugPanic(
    const char *format, ...)
{
#define TCL_MAX_WARN_LEN 1024
    va_list argList;
    va_start(argList, format);

	if (!isatty(fileno(stderr))) {
	    fprintf(stderr, "\xEF\xBB\xBF");
	}
	vfprintf(stderr, format, argList);
	fprintf(stderr, "\n");
	fflush(stderr);
    }
#   if defined(__GNUC__)
    __builtin_trap();
#   else
    DebugBreak();
#   endif
    abort();
}
#endif
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * tab-width: 8
 * End:
 */

static size_t		WinIsReserved(const char *path);
static Tcl_Obj *	WinReadLink(const WCHAR *LinkSource);
static Tcl_Obj *	WinReadLinkDirectory(const WCHAR *LinkDirectory);
static int		WinLink(const WCHAR *LinkSource,
			    const WCHAR *LinkTarget, int linkAction);
static int		WinSymLinkDirectory(const WCHAR *LinkDirectory,
			    const WCHAR *LinkTarget);
MODULE_SCOPE TCL_NORETURN void	tclWinDebugPanic(const char *format, ...);

/*
 *--------------------------------------------------------------------
 *
 * WinLink --
 *
 *	Make a link from source to target.

 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

TCL_NORETURN void
tclWinDebugPanic(
    const char *format, ...)
{
#define TCL_MAX_WARN_LEN 1024
    va_list argList;
    char buf[TCL_MAX_WARN_LEN * 3];
    WCHAR msgString[TCL_MAX_WARN_LEN];

    if (IsDebuggerPresent()) {
	OutputDebugStringW(msgString);
    } else {
	MessageBeep(MB_ICONEXCLAMATION);
	MessageBoxW(NULL, msgString, L"Fatal Error",
		MB_ICONSTOP | MB_OK | MB_TASKMODAL | MB_SETFOREGROUND);
    }
#if defined(__GNUC__)
    __builtin_trap();
#elif defined(_WIN64)
    __debugbreak();
#elif defined(_MSC_VER) && defined (_M_IX86)
    _asm {int 3}
#else
    DebugBreak();
#endif
    abort();
}

/*
 *---------------------------------------------------------------------------
 *
 * TclpFindExecutable --
 *