diff options
Diffstat (limited to 'generic/tclStubLib.c')
-rw-r--r-- | generic/tclStubLib.c | 46 |
1 files changed, 12 insertions, 34 deletions
diff --git a/generic/tclStubLib.c b/generic/tclStubLib.c index f569820..859cbf9 100644 --- a/generic/tclStubLib.c +++ b/generic/tclStubLib.c @@ -11,15 +11,6 @@ * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ -/* - * 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. - */ - -#define USE_TCL_STUBS - #include "tclInt.h" MODULE_SCOPE const TclStubs *tclStubsPtr; @@ -32,24 +23,8 @@ const TclPlatStubs *tclPlatStubsPtr = NULL; const TclIntStubs *tclIntStubsPtr = NULL; const TclIntPlatStubs *tclIntPlatStubsPtr = NULL; -static const TclStubs * -HasStubSupport( - Tcl_Interp *interp) -{ - Interp *iPtr = (Interp *) interp; - - if (iPtr->stubTable && (iPtr->stubTable->magic == TCL_STUB_MAGIC)) { - return iPtr->stubTable; - } - - iPtr->result = - (char *)"This interpreter does not support stubs-enabled extensions."; - iPtr->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) @@ -74,15 +49,17 @@ static int isDigit(const int c) * *---------------------------------------------------------------------- */ - +#undef Tcl_InitStubs MODULE_SCOPE const char * Tcl_InitStubs( Tcl_Interp *interp, const char *version, int exact) { + 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 @@ -90,12 +67,13 @@ 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; } @@ -113,19 +91,19 @@ Tcl_InitStubs( 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; |