diff options
Diffstat (limited to 'generic/tclLoadNone.c')
| -rw-r--r-- | generic/tclLoadNone.c | 97 |
1 files changed, 91 insertions, 6 deletions
diff --git a/generic/tclLoadNone.c b/generic/tclLoadNone.c index 05d5f04..af4ca81 100644 --- a/generic/tclLoadNone.c +++ b/generic/tclLoadNone.c @@ -1,7 +1,7 @@ /* * tclLoadNone.c -- * - * This procedure provides a version of the TclpDlopen for use in + * This procedure provides a version of the TclLoadFile for use in * systems that don't support dynamic loading; it just returns an error. * * Copyright (c) 1995-1997 Sun Microsystems, Inc. @@ -39,21 +39,47 @@ TclpDlopen( Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded * file which will be passed back to * (*unloadProcPtr)() to unload the file. */ - Tcl_FSUnloadFileProc **unloadProcPtr, + Tcl_FSUnloadFileProc **unloadProcPtr) /* Filled with address of Tcl_FSUnloadFileProc * function which should be used for this * file. */ - int flags) { - Tcl_SetObjResult(interp, Tcl_NewStringObj( + Tcl_SetResult(interp, "dynamic loading is not currently available on this system", - TCL_STRLEN)); + TCL_STATIC); return TCL_ERROR; } /* *---------------------------------------------------------------------- * + * TclpFindSymbol -- + * + * Looks up a symbol, by name, through a handle associated with a + * previously loaded piece of code (shared library). This version of this + * routine should never be called because the associated TclpDlopen() + * function always returns an error. + * + * Results: + * Returns a pointer to the function associated with 'symbol' if it is + * found. Otherwise returns NULL and may leave an error message in the + * interp's result. + * + *---------------------------------------------------------------------- + */ + +Tcl_PackageInitProc * +TclpFindSymbol( + Tcl_Interp *interp, + Tcl_LoadHandle loadHandle, + CONST char *symbol) +{ + return NULL; +} + +/* + *---------------------------------------------------------------------- + * * TclGuessPackageName -- * * If the "load" command is invoked without providing a package name, @@ -73,7 +99,7 @@ TclpDlopen( int TclGuessPackageName( - const char *fileName, /* Name of file containing package (already + CONST char *fileName, /* Name of file containing package (already * translated to local form if needed). */ Tcl_DString *bufPtr) /* Initialized empty dstring. Append package * name to this if possible. */ @@ -82,6 +108,65 @@ TclGuessPackageName( } /* + *---------------------------------------------------------------------- + * + * TclpUnloadFile -- + * + * This procedure is called to carry out dynamic unloading of binary code; + * it is intended for use only on systems that don't support dynamic + * loading (it does nothing). + * + * Results: + * None. + * + * Side effects: + * None. + * + *---------------------------------------------------------------------- + */ + +void +TclpUnloadFile( + Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to + * TclpDlopen(). The loadHandle is a token + * that represents the loaded file. */ +{ +} + +/* + * These functions are fallbacks if we somehow determine that the platform can + * do loading from memory but the user wishes to disable it. They just report + * (gracefully) that they fail. + */ + +#ifdef TCL_LOAD_FROM_MEMORY + +MODULE_SCOPE void * +TclpLoadMemoryGetBuffer( + Tcl_Interp *interp, /* Dummy: unused by this implementation */ + int size) /* Dummy: unused by this implementation */ +{ + return NULL; +} + +MODULE_SCOPE int +TclpLoadMemory( + Tcl_Interp *interp, /* Used for error reporting. */ + void *buffer, /* Dummy: unused by this implementation */ + int size, /* Dummy: unused by this implementation */ + int codeSize, /* Dummy: unused by this implementation */ + Tcl_LoadHandle *loadHandle, /* Dummy: unused by this implementation */ + Tcl_FSUnloadFileProc **unloadProcPtr) + /* Dummy: unused by this implementation */ +{ + Tcl_SetResult(interp, "dynamic loading from memory is not available " + "on this system", TCL_STATIC); + return TCL_ERROR; +} + +#endif /* TCL_LOAD_FROM_MEMORY */ + +/* * Local Variables: * mode: c * c-basic-offset: 4 |