summaryrefslogtreecommitdiffstats
path: root/generic/tclStubLib.c
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclStubLib.c')
-rw-r--r--generic/tclStubLib.c126
1 files changed, 46 insertions, 80 deletions
diff --git a/generic/tclStubLib.c b/generic/tclStubLib.c
index f569820..1ab7ff3 100644
--- a/generic/tclStubLib.c
+++ b/generic/tclStubLib.c
@@ -1,73 +1,69 @@
-/*
+/*
* tclStubLib.c --
*
- * Stub object that will be statically linked into extensions that want
+ * Stub object that will be statically linked into extensions that wish
* to access Tcl.
*
* Copyright (c) 1998-1999 by Scriptics Corporation.
* Copyright (c) 1998 Paul Duffin.
*
- * See the file "license.terms" for information on usage and redistribution of
- * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ * See the file "license.terms" for information on usage and redistribution
+ * of 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
+ * 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"
+#include "tclPort.h"
-MODULE_SCOPE const TclStubs *tclStubsPtr;
-MODULE_SCOPE const TclPlatStubs *tclPlatStubsPtr;
-MODULE_SCOPE const TclIntStubs *tclIntStubsPtr;
-MODULE_SCOPE const TclIntPlatStubs *tclIntPlatStubsPtr;
+/*
+ * Ensure that Tcl_InitStubs is built as an exported symbol. The other stub
+ * functions should be built as non-exported symbols.
+ */
-const TclStubs *tclStubsPtr = NULL;
-const TclPlatStubs *tclPlatStubsPtr = NULL;
-const TclIntStubs *tclIntStubsPtr = NULL;
-const TclIntPlatStubs *tclIntPlatStubsPtr = NULL;
+TclStubs *tclStubsPtr = NULL;
+TclPlatStubs *tclPlatStubsPtr = NULL;
+TclIntStubs *tclIntStubsPtr = NULL;
+TclIntPlatStubs *tclIntPlatStubsPtr = NULL;
-static const TclStubs *
-HasStubSupport(
- Tcl_Interp *interp)
+static TclStubs * HasStubSupport _ANSI_ARGS_((Tcl_Interp *interp));
+
+static TclStubs *
+HasStubSupport (interp)
+ 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;
- 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
- */
-
-static int isDigit(const int c)
-{
- return (c >= '0' && c <= '9');
-}
-
-/*
*----------------------------------------------------------------------
*
* Tcl_InitStubs --
*
- * Tries to initialise the stub table pointers and ensures that the
- * correct version of Tcl is loaded.
+ * Tries to initialise the stub table pointers and ensures that
+ * the correct version of Tcl is loaded.
*
* Results:
- * The actual version of Tcl that satisfies the request, or NULL to
- * indicate that an error occurred.
+ * The actual version of Tcl that satisfies the request, or
+ * NULL to indicate that an error occurred.
*
* Side effects:
* Sets the stub table pointers.
@@ -75,19 +71,23 @@ static int isDigit(const int c)
*----------------------------------------------------------------------
*/
-MODULE_SCOPE const char *
-Tcl_InitStubs(
- Tcl_Interp *interp,
- const char *version,
- int exact)
+#ifdef Tcl_InitStubs
+#undef Tcl_InitStubs
+#endif
+
+CONST char *
+Tcl_InitStubs (interp, version, exact)
+ Tcl_Interp *interp;
+ CONST char *version;
+ int exact;
{
- const char *actualVersion = NULL;
+ CONST char *actualVersion = NULL;
ClientData pkgData = NULL;
/*
- * We can't optimize this check by caching tclStubsPtr because that
- * prevents apps from being able to load/unload Tcl dynamically multiple
- * times. [Bug 615304]
+ * We can't optimize this check by caching tclStubsPtr because
+ * that prevents apps from being able to load/unload Tcl dynamically
+ * multiple times. [Bug 615304]
*/
tclStubsPtr = HasStubSupport(interp);
@@ -95,37 +95,11 @@ Tcl_InitStubs(
return NULL;
}
- actualVersion = Tcl_PkgRequireEx(interp, "Tcl", version, 0, &pkgData);
+ actualVersion = Tcl_PkgRequireEx(interp, "Tcl", version, exact, &pkgData);
if (actualVersion == NULL) {
return NULL;
}
- if (exact) {
- const char *p = version;
- int count = 0;
-
- while (*p) {
- count += !isDigit(*p++);
- }
- if (count == 1) {
- const char *q = actualVersion;
-
- p = version;
- while (*p && (*p == *q)) {
- p++; q++;
- }
- if (*p) {
- /* Construct error message */
- Tcl_PkgRequireEx(interp, "Tcl", version, 1, NULL);
- return NULL;
- }
- } else {
- actualVersion = 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;
@@ -136,14 +110,6 @@ Tcl_InitStubs(
tclIntStubsPtr = NULL;
tclIntPlatStubsPtr = NULL;
}
-
+
return actualVersion;
}
-
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 4
- * fill-column: 78
- * End:
- */