1 files changed, 29 insertions, 109 deletions

diff --git a/generic/tclStubLib.c b/generic/tclStubLib.c
index 117e5cd..859cbf9 100644
--- a/generic/tclStubLib.c
+++ b/generic/tclStubLib.c
@@ -9,52 +9,22 @@
  *
  * See the file "license.terms" for information on usage and redistribution of
  * this file, and for a DISCLAIMER OF ALL WARRANTIES.
- *
- * RCS: @(#) $Id: tclStubLib.c,v 1.21.2.1 2008/04/01 19:21:06 dgp Exp $
  */
 
-/*
- * We need to ensure that we use the stub macros so that this file contains no
- * references to any of the stub functions. This will make it possible to
- * build an extension that references Tcl_InitStubs but doesn't end up
- * including the rest of the stub functions.
- */
-
-#ifndef USE_TCL_STUBS
-#define USE_TCL_STUBS
-#endif
-#undef USE_TCL_STUB_PROCS
-
 #include "tclInt.h"
 
-/*
- * Tcl_InitStubs and stub table pointers are built as exported symbols.
- */
+MODULE_SCOPE const TclStubs *tclStubsPtr;
+MODULE_SCOPE const TclPlatStubs *tclPlatStubsPtr;
+MODULE_SCOPE const TclIntStubs *tclIntStubsPtr;
+MODULE_SCOPE const TclIntPlatStubs *tclIntPlatStubsPtr;
 
-TclStubs *tclStubsPtr = NULL;
-TclPlatStubs *tclPlatStubsPtr = NULL;
-TclIntStubs *tclIntStubsPtr = NULL;
-TclIntPlatStubs *tclIntPlatStubsPtr = NULL;
-TclTomMathStubs* tclTomMathStubsPtr = NULL;
+const TclStubs *tclStubsPtr = NULL;
+const TclPlatStubs *tclPlatStubsPtr = NULL;
+const TclIntStubs *tclIntStubsPtr = NULL;
+const TclIntPlatStubs *tclIntPlatStubsPtr = NULL;
 
-static TclStubs *
-HasStubSupport(
-    Tcl_Interp *interp)
-{
-    Interp *iPtr = (Interp *) interp;
-
-    if (iPtr->stubTable && (iPtr->stubTable->magic == TCL_STUB_MAGIC)) {
-	return iPtr->stubTable;
-    }
-
-    interp->result =
-	    "This interpreter does not support stubs-enabled extensions.";
-    interp->freeProc = TCL_STATIC;
-    return NULL;
-}
-
 /*
- * Use our own isdigit to avoid linking to libc on windows
+ * Use our own isDigit to avoid linking to libc on windows
  */
 
 static int isDigit(const int c)
@@ -79,19 +49,17 @@ static int isDigit(const int c)
  *
  *----------------------------------------------------------------------
  */
-
-#ifdef Tcl_InitStubs
 #undef Tcl_InitStubs
-#endif
-
-CONST char *
+MODULE_SCOPE const char *
 Tcl_InitStubs(
     Tcl_Interp *interp,
-    CONST char *version,
+    const char *version,
     int exact)
 {
-    CONST char *actualVersion = NULL;
+    Interp *iPtr = (Interp *) interp;
+    const char *actualVersion = NULL;
     ClientData pkgData = NULL;
+    const TclStubs *stubsPtr = iPtr->stubTable;
 
     /*
      * We can't optimize this check by caching tclStubsPtr because that
@@ -99,42 +67,43 @@ Tcl_InitStubs(
      * times. [Bug 615304]
      */
 
-    tclStubsPtr = HasStubSupport(interp);
-    if (!tclStubsPtr) {
+    if (!stubsPtr || (stubsPtr->magic != TCL_STUB_MAGIC)) {
+	iPtr->result = "interpreter uses an incompatible stubs mechanism";
+	iPtr->freeProc = TCL_STATIC;
 	return NULL;
     }
 
-    actualVersion = Tcl_PkgRequireEx(interp, "Tcl", version, 0, &pkgData);
+    actualVersion = stubsPtr->tcl_PkgRequireEx(interp, "Tcl", version, 0, &pkgData);
     if (actualVersion == NULL) {
 	return NULL;
     }
     if (exact) {
-	CONST char *p = version;
+	const char *p = version;
 	int count = 0;
 
 	while (*p) {
 	    count += !isDigit(*p++);
 	}
 	if (count == 1) {
-	    CONST char *q = actualVersion;
+	    const char *q = actualVersion;
 
 	    p = version;
 	    while (*p && (*p == *q)) {
 		p++; q++;
 	    }
-	    if (*p) {
+	    if (*p || isDigit(*q)) {
 		/* Construct error message */
-		Tcl_PkgRequireEx(interp, "Tcl", version, 1, NULL);
+		stubsPtr->tcl_PkgRequireEx(interp, "Tcl", version, 1, NULL);
 		return NULL;
 	    }
 	} else {
-	    actualVersion = Tcl_PkgRequireEx(interp, "Tcl", version, 1, NULL);
+	    actualVersion = stubsPtr->tcl_PkgRequireEx(interp, "Tcl", version, 1, NULL);
 	    if (actualVersion == NULL) {
 		return NULL;
 	    }
 	}
     }
-    tclStubsPtr = (TclStubs*)pkgData;
+    tclStubsPtr = (TclStubs *)pkgData;
 
     if (tclStubsPtr->hooks) {
 	tclPlatStubsPtr = tclStubsPtr->hooks->tclPlatStubs;
@@ -150,58 +119,9 @@ Tcl_InitStubs(
 }
 
 /*
- *----------------------------------------------------------------------
- *
- * TclTomMathInitStubs --
- *
- *	Initializes the Stubs table for Tcl's subset of libtommath
- *
- * Results:
- *	Returns a standard Tcl result.
- *
- * This procedure should not be called directly, but rather through
- * the TclTomMath_InitStubs macro, to insure that the Stubs table
- * matches the header files used in compilation.
- *
- *----------------------------------------------------------------------
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
  */
-
-#ifdef TclTomMathInitializeStubs
-#undef TclTomMathInitializeStubs
-#endif
-
-CONST char*
-TclTomMathInitializeStubs(
-    Tcl_Interp* interp,		/* Tcl interpreter */
-    CONST char* version,	/* Tcl version needed */
-    int epoch,			/* Stubs table epoch from the header files */
-    int revision		/* Stubs table revision number from the
-				 * header files */
-) {
-    int exact = 0;
-    const char* packageName = "tcl::tommath";
-    const char* errMsg = NULL;
-    ClientData pkgClientData = NULL;
-    const char* actualVersion = 
-	Tcl_PkgRequireEx(interp, packageName, version, exact, &pkgClientData);
-    TclTomMathStubs* stubsPtr = (TclTomMathStubs*) pkgClientData;
-    if (actualVersion == NULL) {
-	return NULL;
-    }
-    if (pkgClientData == NULL) {
-	errMsg = "missing stub table pointer";
-    } else if ((stubsPtr->tclBN_epoch)() != epoch) {
-	errMsg = "epoch number mismatch";
-    } else if ((stubsPtr->tclBN_revision)() != revision) {
-	errMsg = "requires a later revision";
-    } else {
-	tclTomMathStubsPtr = stubsPtr;
-	return actualVersion;
-    }
-    Tcl_ResetResult(interp);
-    Tcl_AppendResult(interp, "error loading ", packageName,
-		     " (requested version ", version,
-		     ", actual version ", actualVersion,
-		     "): ", errMsg, NULL);
-    return NULL;
-}