80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
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/*
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* tclTomMathStubLib.c --
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*
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* Stub object that will be statically linked into extensions that want
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* to access Tcl.
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*
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* Copyright (c) 1998-1999 by Scriptics Corporation.
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* Copyright (c) 1998 Paul Duffin.
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*
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* See the file "license.terms" for information on usage and redistribution of
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* this file, and for a DISCLAIMER OF ALL WARRANTIES.
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*/
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#include "tclInt.h"
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MODULE_SCOPE const TclTomMathStubs *tclTomMathStubsPtr;
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const TclTomMathStubs *tclTomMathStubsPtr = NULL;
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/*
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*----------------------------------------------------------------------
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*
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* TclTomMathInitStubs --
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*
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* Initializes the Stubs table for Tcl's subset of libtommath
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*
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* Results:
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* Returns a standard Tcl result.
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*
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* This procedure should not be called directly, but rather through
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* the TclTomMath_InitStubs macro, to insure that the Stubs table
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* matches the header files used in compilation.
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*
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*----------------------------------------------------------------------
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*/
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MODULE_SCOPE const char *
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TclTomMathInitializeStubs(
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Tcl_Interp *interp, /* Tcl interpreter */
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const char *version, /* Tcl version needed */
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int epoch, /* Stubs table epoch from the header files */
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int revision) /* Stubs table revision number from the
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* header files */
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{
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int exact = 0;
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const char *packageName = "tcl::tommath";
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const char *errMsg = NULL;
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TclTomMathStubs *stubsPtr = NULL;
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const char *actualVersion = tclStubsPtr->tcl_PkgRequireEx(interp,
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packageName, version, exact, &stubsPtr);
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if (actualVersion == NULL) {
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return NULL;
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}
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if (stubsPtr == NULL) {
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errMsg = "missing stub table pointer";
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} else if(stubsPtr->tclBN_epoch() != epoch) {
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errMsg = "epoch number mismatch";
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} else if(stubsPtr->tclBN_revision() != revision) {
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errMsg = "requires a later revision";
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} else {
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tclTomMathStubsPtr = stubsPtr;
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return actualVersion;
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}
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tclStubsPtr->tcl_ResetResult(interp);
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tclStubsPtr->tcl_AppendResult(interp, "Error loading ", packageName,
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" (requested version ", version, ", actual version ",
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actualVersion, "): ", errMsg, NULL);
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return NULL;
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}
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 4
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* fill-column: 78
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* End:
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*/
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