Linux Manuals session 3

Tcl_GetTime, Tcl_SetTimeProc, Tcl_QueryTimeProc – get date and time Synopsis #include <tcl.h> Tcl_GetTime(timePtr) Tcl_SetTimeProc(getProc, scaleProc, clientData) Tcl_QueryTimeProc(getProcPtr, scaleProcPtr, clientDataPtr) Arguments Tcl_Time * timePtr (out) Points to memory in which to store the date and time information. Tcl_GetTimeProc * getProc (in) Pointer to handler function replacing Tcl_GetTime‘s access to the OS. Tcl_ScaleTimeProc * scaleProc (in) Pointer to…

Tcl_PutEnv – procedures to manipulate the environment Synopsis #include <tcl.h> int Tcl_PutEnv(assignment) Arguments const char *assignment (in) Info about environment variable in the format “NAME=value”. The assignment argument is in the system encoding. Description Tcl_PutEnv sets an environment variable. The information is passed in a single string of the form “NAME=value”. This procedure is intended…

Tcl_PrintDouble – Convert floating value to string Synopsis #include <tcl.h> Tcl_PrintDouble(interp, value, dst) Arguments Tcl_Interp *interp (in) Before Tcl 8.0, the tcl_precision variable in this interpreter controlled the conversion. As of Tcl 8.0, this argument is ignored and the conversion is controlled by the tcl_precision variable that is now shared by all interpreters. double value…

Tcl_Preserve, Tcl_Release, Tcl_EventuallyFree – avoid freeing storage while it is being used Synopsis #include <tcl.h> Tcl_Preserve(clientData) Tcl_Release(clientData) Tcl_EventuallyFree(clientData, freeProc) Arguments ClientData clientData (in) Token describing structure to be freed or reallocated. Usually a pointer to memory for structure. Tcl_FreeProc *freeProc (in) Procedure to invoke to free clientData. Description These three procedures help implement a simple…

Tcl_GetReturnOptions, Tcl_SetReturnOptions, Tcl_AddErrorInfo, Tcl_AppendObjToErrorInfo, Tcl_AddObjErrorInfo, Tcl_SetObjErrorCode, Tcl_SetErrorCode, Tcl_SetErrorCodeVA, Tcl_PosixError, Tcl_LogCommandInfo – retrieve or record information about errors and other return options Synopsis #include <tcl.h> Tcl_Obj * Tcl_GetReturnOptions(interp, code) int Tcl_SetReturnOptions(interp, options) Tcl_AddErrorInfo(interp, message) Tcl_AppendObjToErrorInfo(interp, objPtr) Tcl_AddObjErrorInfo(interp, message, length) Tcl_SetObjErrorCode(interp, errorObjPtr) Tcl_SetErrorCode(interp, element, element, … (char *) NULL) Tcl_SetErrorCodeVA(interp, argList) const char * Tcl_PosixError(interp) void Tcl_LogCommandInfo(interp,…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_PkgRequire, Tcl_PkgRequireEx, Tcl_PkgRequireProc, Tcl_PkgPresent, Tcl_PkgPresentEx, Tcl_PkgProvide, Tcl_PkgProvideEx – package version control Synopsis #include <tcl.h> const char * Tcl_PkgRequire(interp, name, version, exact) const char * Tcl_PkgRequireEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgRequireProc(interp, name, objc, objv, clientDataPtr) const char * Tcl_PkgPresent(interp, name, version, exact) const char * Tcl_PkgPresentEx(interp, name, version, exact, clientDataPtr) int Tcl_PkgProvide(interp, name, version) int…

Tcl_ParseCommand, Tcl_ParseExpr, Tcl_ParseBraces, Tcl_ParseQuotedString, Tcl_ParseVarName, Tcl_ParseVar, Tcl_FreeParse, Tcl_EvalTokens, Tcl_EvalTokensStandard – parse Tcl scripts and expressions Synopsis #include <tcl.h> int Tcl_ParseCommand(interp, start, numBytes, nested, parsePtr) int Tcl_ParseExpr(interp, start, numBytes, parsePtr) int Tcl_ParseBraces(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseQuotedString(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseVarName(interp, start, numBytes, parsePtr, append) const char * Tcl_ParseVar(interp, start, termPtr)…

Tcl_ParseCommand, Tcl_ParseExpr, Tcl_ParseBraces, Tcl_ParseQuotedString, Tcl_ParseVarName, Tcl_ParseVar, Tcl_FreeParse, Tcl_EvalTokens, Tcl_EvalTokensStandard – parse Tcl scripts and expressions Synopsis #include <tcl.h> int Tcl_ParseCommand(interp, start, numBytes, nested, parsePtr) int Tcl_ParseExpr(interp, start, numBytes, parsePtr) int Tcl_ParseBraces(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseQuotedString(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseVarName(interp, start, numBytes, parsePtr, append) const char * Tcl_ParseVar(interp, start, termPtr)…

Tcl_ParseCommand, Tcl_ParseExpr, Tcl_ParseBraces, Tcl_ParseQuotedString, Tcl_ParseVarName, Tcl_ParseVar, Tcl_FreeParse, Tcl_EvalTokens, Tcl_EvalTokensStandard – parse Tcl scripts and expressions Synopsis #include <tcl.h> int Tcl_ParseCommand(interp, start, numBytes, nested, parsePtr) int Tcl_ParseExpr(interp, start, numBytes, parsePtr) int Tcl_ParseBraces(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseQuotedString(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseVarName(interp, start, numBytes, parsePtr, append) const char * Tcl_ParseVar(interp, start, termPtr)…

Tcl_ParseCommand, Tcl_ParseExpr, Tcl_ParseBraces, Tcl_ParseQuotedString, Tcl_ParseVarName, Tcl_ParseVar, Tcl_FreeParse, Tcl_EvalTokens, Tcl_EvalTokensStandard – parse Tcl scripts and expressions Synopsis #include <tcl.h> int Tcl_ParseCommand(interp, start, numBytes, nested, parsePtr) int Tcl_ParseExpr(interp, start, numBytes, parsePtr) int Tcl_ParseBraces(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseQuotedString(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseVarName(interp, start, numBytes, parsePtr, append) const char * Tcl_ParseVar(interp, start, termPtr)…

Tcl_ParseCommand, Tcl_ParseExpr, Tcl_ParseBraces, Tcl_ParseQuotedString, Tcl_ParseVarName, Tcl_ParseVar, Tcl_FreeParse, Tcl_EvalTokens, Tcl_EvalTokensStandard – parse Tcl scripts and expressions Synopsis #include <tcl.h> int Tcl_ParseCommand(interp, start, numBytes, nested, parsePtr) int Tcl_ParseExpr(interp, start, numBytes, parsePtr) int Tcl_ParseBraces(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseQuotedString(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseVarName(interp, start, numBytes, parsePtr, append) const char * Tcl_ParseVar(interp, start, termPtr)…

Tcl_ParseCommand, Tcl_ParseExpr, Tcl_ParseBraces, Tcl_ParseQuotedString, Tcl_ParseVarName, Tcl_ParseVar, Tcl_FreeParse, Tcl_EvalTokens, Tcl_EvalTokensStandard – parse Tcl scripts and expressions Synopsis #include <tcl.h> int Tcl_ParseCommand(interp, start, numBytes, nested, parsePtr) int Tcl_ParseExpr(interp, start, numBytes, parsePtr) int Tcl_ParseBraces(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseQuotedString(interp, start, numBytes, parsePtr, append, termPtr) int Tcl_ParseVarName(interp, start, numBytes, parsePtr, append) const char * Tcl_ParseVar(interp, start, termPtr)…

Tcl_ParseArgsObjv – parse arguments according to a tabular description Synopsis #include <tcl.h> int Tcl_ParseArgsObjv(interp, argTable, objcPtr, objv, remObjv) Arguments Tcl_Interp *interp (out) Where to store error messages. const Tcl_ArgvInfo *argTable (in) Pointer to array of option descriptors. int *objcPtr (in/out) A pointer to variable holding number of arguments in objv. Will be modified to hold…

Tcl_Panic, Tcl_PanicVA, Tcl_SetPanicProc – report fatal error and abort Synopsis #include <tcl.h> void Tcl_Panic(format, arg, arg, …) void Tcl_PanicVA(format, argList) void Tcl_SetPanicProc(panicProc) Arguments const char* format (in) A printf-style format string. arg (in) Arguments matching the format string. va_list argList (in) An argument list of arguments matching the format string. Must have been initialized using…