split off TclInitStubTable() as separate function - which does the actual stub table initialization - previously part of Tcl_InitStubs().

3 files changed, 80 insertions, 24 deletions

diff --git a/generic/tclInt.h b/generic/tclInt.h
index e60b627..1cf0337 100644
--- a/generic/tclInt.h
+++ b/generic/tclInt.h
@@ -3831,6 +3831,14 @@ MODULE_SCOPE int	TclCompileAssembleCmd(Tcl_Interp *interp,
 			    Tcl_Parse *parsePtr, Command *cmdPtr,
 			    struct CompileEnv *envPtr);
 
+/* Used internally in stub library. */
+typedef struct {
+    char version[16];
+    ClientData data;
+} TclStubInfoType;
+
+MODULE_SCOPE const char *TclInitStubTable(const char *version);
+
 /*
  * Functions defined in generic/tclVar.c and currenttly exported only for use
  * by the bytecode compiler and engine. Some of these could later be placed in
diff --git a/generic/tclStubLib.c b/generic/tclStubLib.c
index 859cbf9..e617515 100644
--- a/generic/tclStubLib.c
+++ b/generic/tclStubLib.c
@@ -13,16 +13,6 @@
 
 #include "tclInt.h"
 
-MODULE_SCOPE const TclStubs *tclStubsPtr;
-MODULE_SCOPE const TclPlatStubs *tclPlatStubsPtr;
-MODULE_SCOPE const TclIntStubs *tclIntStubsPtr;
-MODULE_SCOPE const TclIntPlatStubs *tclIntPlatStubsPtr;
-
-const TclStubs *tclStubsPtr = NULL;
-const TclPlatStubs *tclPlatStubsPtr = NULL;
-const TclIntStubs *tclIntStubsPtr = NULL;
-const TclIntPlatStubs *tclIntPlatStubsPtr = NULL;
-
 /*
  * Use our own isDigit to avoid linking to libc on windows
  */
@@ -58,7 +48,7 @@ Tcl_InitStubs(
 {
     Interp *iPtr = (Interp *) interp;
     const char *actualVersion = NULL;
-    ClientData pkgData = NULL;
+    TclStubInfoType stub;
     const TclStubs *stubsPtr = iPtr->stubTable;
 
     /*
@@ -73,7 +63,7 @@ Tcl_InitStubs(
 	return NULL;
     }
 
-    actualVersion = stubsPtr->tcl_PkgRequireEx(interp, "Tcl", version, 0, &pkgData);
+    actualVersion = stubsPtr->tcl_PkgRequireEx(interp, "Tcl", version, 0, &stub.data);
     if (actualVersion == NULL) {
 	return NULL;
     }
@@ -103,18 +93,7 @@ Tcl_InitStubs(
 	    }
 	}
     }
-    tclStubsPtr = (TclStubs *)pkgData;
-
-    if (tclStubsPtr->hooks) {
-	tclPlatStubsPtr = tclStubsPtr->hooks->tclPlatStubs;
-	tclIntStubsPtr = tclStubsPtr->hooks->tclIntStubs;
-	tclIntPlatStubsPtr = tclStubsPtr->hooks->tclIntPlatStubs;
-    } else {
-	tclPlatStubsPtr = NULL;
-	tclIntStubsPtr = NULL;
-	tclIntPlatStubsPtr = NULL;
-    }
-
+    TclInitStubTable(stub.version);
     return actualVersion;
 }
 
diff --git a/generic/tclStubLibTbl.c b/generic/tclStubLibTbl.c
new file mode 100644
index 0000000..0ed057f
--- /dev/null
+++ b/generic/tclStubLibTbl.c
@@ -0,0 +1,69 @@
+/*
+ * tclStubLibTbl.c --
+ *
+ *	Stub object that will be statically linked into extensions that want
+ *	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.
+ */
+
+#include "tclInt.h"
+
+MODULE_SCOPE const TclStubs *tclStubsPtr;
+MODULE_SCOPE const TclPlatStubs *tclPlatStubsPtr;
+MODULE_SCOPE const TclIntStubs *tclIntStubsPtr;
+MODULE_SCOPE const TclIntPlatStubs *tclIntPlatStubsPtr;
+
+const TclStubs *tclStubsPtr = NULL;
+const TclPlatStubs *tclPlatStubsPtr = NULL;
+const TclIntStubs *tclIntStubsPtr = NULL;
+const TclIntPlatStubs *tclIntPlatStubsPtr = NULL;
+
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * TclInitStubTable --
+ *
+ *	Initialize the stub table, using the structure pointed at
+ *	by the "version" argument.
+ *
+ * Results:
+ *	Outputs the value of the "version" argument.
+ *
+ * Side effects:
+ *	Sets the stub table pointers.
+ *
+ *----------------------------------------------------------------------
+ */
+MODULE_SCOPE const char *
+TclInitStubTable(
+	const char *version) /* points to the version field of a
+	                        TclStubInfoType structure variable. */
+{
+    const TclStubInfoType *ptr = (const TclStubInfoType *) version;
+    tclStubsPtr = (const TclStubs *) ptr->data;
+
+    if (tclStubsPtr->hooks) {
+	tclPlatStubsPtr = tclStubsPtr->hooks->tclPlatStubs;
+	tclIntStubsPtr = tclStubsPtr->hooks->tclIntStubs;
+	tclIntPlatStubsPtr = tclStubsPtr->hooks->tclIntPlatStubs;
+    } else {
+	tclPlatStubsPtr = NULL;
+	tclIntStubsPtr = NULL;
+	tclIntPlatStubsPtr = NULL;
+    }
+    return version;
+}
+
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 4
+ * fill-column: 78
+ * End:
+ */