restore line endings

1 files changed, 334 insertions, 334 deletions

diff --git a/unix/dltest/pkgua.c b/unix/dltest/pkgua.c
index 158193c..4c2c713 100644
--- a/unix/dltest/pkgua.c
+++ b/unix/dltest/pkgua.c
@@ -1,334 +1,334 @@
-/*

- * pkgua.c --

- *

- *	This file contains a simple Tcl package "pkgua" that is intended for

- *	testing the Tcl dynamic unloading facilities.

- *

- * Copyright (c) 1995 Sun Microsystems, Inc.

- * Copyright (c) 2004 Georgios Petasis

- *

- * See the file "license.terms" for information on usage and redistribution of

- * this file, and for a DISCLAIMER OF ALL WARRANTIES.

- *

- * RCS: @(#) $Id: pkgua.c,v 1.4 2007/05/02 21:28:09 dkf Exp $

- */

-

-#include "tcl.h"

-

-/*

- * Prototypes for procedures defined later in this file:

- */

-

-static int    PkguaEqObjCmd(ClientData clientData,

-		Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);

-static int    PkguaQuoteObjCmd(ClientData clientData,

-		Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);

-

-/*

- * In the following hash table we are going to store a struct that holds all

- * the command tokens created by Tcl_CreateObjCommand in an interpreter,

- * indexed by the interpreter. In this way, we can find which command tokens

- * we have registered in a specific interpreter, in order to unload them. We

- * need to keep the various command tokens we have registered, as they are the

- * only safe way to unregister our registered commands, even if they have been

- * renamed.

- *

- * Note that this code is utterly single-threaded.

- */

-

-static Tcl_HashTable interpTokenMap;

-static int interpTokenMapInitialised = 0;

-#define MAX_REGISTERED_COMMANDS 2

-

-

-static void

-PkguaInitTokensHashTable(void)

-{

-    if (interpTokenMapInitialised) {

-	return;

-    }

-    Tcl_InitHashTable(&interpTokenMap, TCL_ONE_WORD_KEYS);

-    interpTokenMapInitialised = 1;

-}

-

-void

-PkguaFreeTokensHashTable(void)

-{

-    Tcl_HashSearch search;

-    Tcl_HashEntry *entryPtr;

-

-    for (entryPtr = Tcl_FirstHashEntry(&interpTokenMap, &search);

-	    entryPtr != NULL; entryPtr = Tcl_NextHashEntry(&search)) {

-	Tcl_Free((char *) Tcl_GetHashValue(entryPtr));

-    }

-    interpTokenMapInitialised = 0;

-}

-

-static Tcl_Command *

-PkguaInterpToTokens(

-    Tcl_Interp *interp)

-{

-    int newEntry;

-    Tcl_Command *cmdTokens;

-    Tcl_HashEntry *entryPtr =

-	    Tcl_CreateHashEntry(&interpTokenMap, (char *) interp, &newEntry);

-

-    if (newEntry) {

-	cmdTokens = (Tcl_Command *)

-		Tcl_Alloc(sizeof(Tcl_Command) * (MAX_REGISTERED_COMMANDS+1));

-	for (newEntry=0 ; newEntry<MAX_REGISTERED_COMMANDS+1 ; ++newEntry) {

-	    cmdTokens[newEntry] = NULL;

-	}

-	Tcl_SetHashValue(entryPtr, (ClientData) cmdTokens);

-    } else {

-	cmdTokens = (Tcl_Command *) Tcl_GetHashValue(entryPtr);

-    }

-    return cmdTokens;

-}

-

-static void

-PkguaDeleteTokens(

-    Tcl_Interp *interp)

-{

-    Tcl_HashEntry *entryPtr =

-	    Tcl_FindHashEntry(&interpTokenMap, (char *) interp);

-

-    if (entryPtr) {

-	Tcl_Free((char *) Tcl_GetHashValue(entryPtr));

-	Tcl_DeleteHashEntry(entryPtr);

-    }

-}

-

-/*

- *----------------------------------------------------------------------

- *

- * PkguaEqObjCmd --

- *

- *	This procedure is invoked to process the "pkgua_eq" Tcl command. It

- *	expects two arguments and returns 1 if they are the same, 0 if they

- *	are different.

- *

- * Results:

- *	A standard Tcl result.

- *

- * Side effects:

- *	See the user documentation.

- *

- *----------------------------------------------------------------------

- */

-

-static int

-PkguaEqObjCmd(

-    ClientData dummy,		/* Not used. */

-    Tcl_Interp *interp,		/* Current interpreter. */

-    int objc,			/* Number of arguments. */

-    Tcl_Obj *CONST objv[])	/* Argument objects. */

-{

-    int result;

-    CONST char *str1, *str2;

-    int len1, len2;

-

-    if (objc != 3) {

-	Tcl_WrongNumArgs(interp, 1, objv,  "string1 string2");

-	return TCL_ERROR;

-    }

-

-    str1 = Tcl_GetStringFromObj(objv[1], &len1);

-    str2 = Tcl_GetStringFromObj(objv[2], &len2);

-    if (len1 == len2) {

-	result = (Tcl_UtfNcmp(str1, str2, len1) == 0);

-    } else {

-	result = 0;

-    }

-    Tcl_SetObjResult(interp, Tcl_NewIntObj(result));

-    return TCL_OK;

-}

-

-/*

- *----------------------------------------------------------------------

- *

- * PkguaQuoteObjCmd --

- *

- *	This procedure is invoked to process the "pkgua_quote" Tcl command. It

- *	expects one argument, which it returns as result.

- *

- * Results:

- *	A standard Tcl result.

- *

- * Side effects:

- *	See the user documentation.

- *

- *----------------------------------------------------------------------

- */

-

-static int

-PkguaQuoteObjCmd(

-    ClientData dummy,		/* Not used. */

-    Tcl_Interp *interp,		/* Current interpreter. */

-    int objc,			/* Number of arguments. */

-    Tcl_Obj *CONST objv[])	/* Argument strings. */

-{

-    if (objc != 2) {

-	Tcl_WrongNumArgs(interp, 1, objv, "value");

-	return TCL_ERROR;

-    }

-    Tcl_SetObjResult(interp, objv[1]);

-    return TCL_OK;

-}

-

-/*

- *----------------------------------------------------------------------

- *

- * Pkgua_Init --

- *

- *	This is a package initialization procedure, which is called by Tcl

- *	when this package is to be added to an interpreter.

- *

- * Results:

- *	None.

- *

- * Side effects:

- *	None.

- *

- *----------------------------------------------------------------------

- */

-

-int

-Pkgua_Init(

-    Tcl_Interp *interp)		/* Interpreter in which the package is to be

-				 * made available. */

-{

-    int code, cmdIndex = 0;

-    Tcl_Command *cmdTokens;

-

-    if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {

-	return TCL_ERROR;

-    }

-

-    /*

-     * Initialise our Hash table, where we store the registered command tokens

-     * for each interpreter.

-     */

-

-    PkguaInitTokensHashTable();

-

-    code = Tcl_PkgProvide(interp, "Pkgua", "1.0");

-    if (code != TCL_OK) {

-	return code;

-    }

-

-    Tcl_SetVar(interp, "::pkgua_loaded", ".", TCL_APPEND_VALUE);

-

-    cmdTokens = PkguaInterpToTokens(interp);

-    cmdTokens[cmdIndex++] =

-	    Tcl_CreateObjCommand(interp, "pkgua_eq", PkguaEqObjCmd,

-		    (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

-    cmdTokens[cmdIndex++] =

-	    Tcl_CreateObjCommand(interp, "pkgua_quote", PkguaQuoteObjCmd,

-		    (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);

-    return TCL_OK;

-}

-

-/*

- *----------------------------------------------------------------------

- *

- * Pkgua_SafeInit --

- *

- *	This is a package initialization procedure, which is called by Tcl

- *	when this package is to be added to an unsafe interpreter.

- *

- * Results:

- *	None.

- *

- * Side effects:

- *	None.

- *

- *----------------------------------------------------------------------

- */

-

-int

-Pkgua_SafeInit(

-    Tcl_Interp *interp)		/* Interpreter in which the package is to be

-				 * made available. */

-{

-    return Pkgua_Init(interp);

-}

-

-/*

- *----------------------------------------------------------------------

- *

- * Pkgua_Unload --

- *

- *	This is a package unloading initialization procedure, which is called

- *	by Tcl when this package is to be unloaded form an interpreter.

- *

- * Results:

- *	None.

- *

- * Side effects:

- *	None.

- *

- *----------------------------------------------------------------------

- */

-

-int

-Pkgua_Unload(

-    Tcl_Interp *interp,		/* Interpreter from which the package is to be

-				 * unloaded. */

-    int flags)			/* Flags passed by the unloading mechanism */

-{

-    int code, cmdIndex;

-    Tcl_Command *cmdTokens = PkguaInterpToTokens(interp);

-

-    for (cmdIndex=0 ; cmdIndex<MAX_REGISTERED_COMMANDS ; cmdIndex++) {

-	if (cmdTokens[cmdIndex] == NULL) {

-	    continue;

-	}

-	code = Tcl_DeleteCommandFromToken(interp, cmdTokens[cmdIndex]);

-	if (code != TCL_OK) {

-	    return code;

-	}

-    }

-

-    PkguaDeleteTokens(interp);

-

-    Tcl_SetVar(interp, "::pkgua_detached", ".", TCL_APPEND_VALUE);

-

-    if (flags == TCL_UNLOAD_DETACH_FROM_PROCESS) {

-	/*

-	 * Tcl is ready to detach this library from the running application.

-	 * We should free all the memory that is not related to any

-	 * interpreter.

-	 */

-

-	PkguaFreeTokensHashTable();

-	Tcl_SetVar(interp, "::pkgua_unloaded", ".", TCL_APPEND_VALUE);

-    }

-    return TCL_OK;

-}

-

-/*

- *----------------------------------------------------------------------

- *

- * Pkgua_SafeUnload --

- *

- *	This is a package unloading initialization procedure, which is called

- *	by Tcl when this package is to be unloaded form an interpreter.

- *

- * Results:

- *	None.

- *

- * Side effects:

- *	None.

- *

- *----------------------------------------------------------------------

- */

-

-int

-Pkgua_SafeUnload(

-    Tcl_Interp *interp,		/* Interpreter from which the package is to be

-				 * unloaded. */

-    int flags)			/* Flags passed by the unloading mechanism */

-{

-    return Pkgua_Unload(interp, flags);

-}

+/*
+ * pkgua.c --
+ *
+ *	This file contains a simple Tcl package "pkgua" that is intended for
+ *	testing the Tcl dynamic unloading facilities.
+ *
+ * Copyright (c) 1995 Sun Microsystems, Inc.
+ * Copyright (c) 2004 Georgios Petasis
+ *
+ * See the file "license.terms" for information on usage and redistribution of
+ * this file, and for a DISCLAIMER OF ALL WARRANTIES.
+ *
+ * RCS: @(#) $Id: pkgua.c,v 1.5 2007/05/29 14:05:53 dgp Exp $
+ */
+
+#include "tcl.h"
+
+/*
+ * Prototypes for procedures defined later in this file:
+ */
+
+static int    PkguaEqObjCmd(ClientData clientData,
+		Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
+static int    PkguaQuoteObjCmd(ClientData clientData,
+		Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]);
+
+/*
+ * In the following hash table we are going to store a struct that holds all
+ * the command tokens created by Tcl_CreateObjCommand in an interpreter,
+ * indexed by the interpreter. In this way, we can find which command tokens
+ * we have registered in a specific interpreter, in order to unload them. We
+ * need to keep the various command tokens we have registered, as they are the
+ * only safe way to unregister our registered commands, even if they have been
+ * renamed.
+ *
+ * Note that this code is utterly single-threaded.
+ */
+
+static Tcl_HashTable interpTokenMap;
+static int interpTokenMapInitialised = 0;
+#define MAX_REGISTERED_COMMANDS 2
+
+
+static void
+PkguaInitTokensHashTable(void)
+{
+    if (interpTokenMapInitialised) {
+	return;
+    }
+    Tcl_InitHashTable(&interpTokenMap, TCL_ONE_WORD_KEYS);
+    interpTokenMapInitialised = 1;
+}
+
+void
+PkguaFreeTokensHashTable(void)
+{
+    Tcl_HashSearch search;
+    Tcl_HashEntry *entryPtr;
+
+    for (entryPtr = Tcl_FirstHashEntry(&interpTokenMap, &search);
+	    entryPtr != NULL; entryPtr = Tcl_NextHashEntry(&search)) {
+	Tcl_Free((char *) Tcl_GetHashValue(entryPtr));
+    }
+    interpTokenMapInitialised = 0;
+}
+
+static Tcl_Command *
+PkguaInterpToTokens(
+    Tcl_Interp *interp)
+{
+    int newEntry;
+    Tcl_Command *cmdTokens;
+    Tcl_HashEntry *entryPtr =
+	    Tcl_CreateHashEntry(&interpTokenMap, (char *) interp, &newEntry);
+
+    if (newEntry) {
+	cmdTokens = (Tcl_Command *)
+		Tcl_Alloc(sizeof(Tcl_Command) * (MAX_REGISTERED_COMMANDS+1));
+	for (newEntry=0 ; newEntry<MAX_REGISTERED_COMMANDS+1 ; ++newEntry) {
+	    cmdTokens[newEntry] = NULL;
+	}
+	Tcl_SetHashValue(entryPtr, (ClientData) cmdTokens);
+    } else {
+	cmdTokens = (Tcl_Command *) Tcl_GetHashValue(entryPtr);
+    }
+    return cmdTokens;
+}
+
+static void
+PkguaDeleteTokens(
+    Tcl_Interp *interp)
+{
+    Tcl_HashEntry *entryPtr =
+	    Tcl_FindHashEntry(&interpTokenMap, (char *) interp);
+
+    if (entryPtr) {
+	Tcl_Free((char *) Tcl_GetHashValue(entryPtr));
+	Tcl_DeleteHashEntry(entryPtr);
+    }
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * PkguaEqObjCmd --
+ *
+ *	This procedure is invoked to process the "pkgua_eq" Tcl command. It
+ *	expects two arguments and returns 1 if they are the same, 0 if they
+ *	are different.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+PkguaEqObjCmd(
+    ClientData dummy,		/* Not used. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument objects. */
+{
+    int result;
+    CONST char *str1, *str2;
+    int len1, len2;
+
+    if (objc != 3) {
+	Tcl_WrongNumArgs(interp, 1, objv,  "string1 string2");
+	return TCL_ERROR;
+    }
+
+    str1 = Tcl_GetStringFromObj(objv[1], &len1);
+    str2 = Tcl_GetStringFromObj(objv[2], &len2);
+    if (len1 == len2) {
+	result = (Tcl_UtfNcmp(str1, str2, len1) == 0);
+    } else {
+	result = 0;
+    }
+    Tcl_SetObjResult(interp, Tcl_NewIntObj(result));
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * PkguaQuoteObjCmd --
+ *
+ *	This procedure is invoked to process the "pkgua_quote" Tcl command. It
+ *	expects one argument, which it returns as result.
+ *
+ * Results:
+ *	A standard Tcl result.
+ *
+ * Side effects:
+ *	See the user documentation.
+ *
+ *----------------------------------------------------------------------
+ */
+
+static int
+PkguaQuoteObjCmd(
+    ClientData dummy,		/* Not used. */
+    Tcl_Interp *interp,		/* Current interpreter. */
+    int objc,			/* Number of arguments. */
+    Tcl_Obj *CONST objv[])	/* Argument strings. */
+{
+    if (objc != 2) {
+	Tcl_WrongNumArgs(interp, 1, objv, "value");
+	return TCL_ERROR;
+    }
+    Tcl_SetObjResult(interp, objv[1]);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Pkgua_Init --
+ *
+ *	This is a package initialization procedure, which is called by Tcl
+ *	when this package is to be added to an interpreter.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Pkgua_Init(
+    Tcl_Interp *interp)		/* Interpreter in which the package is to be
+				 * made available. */
+{
+    int code, cmdIndex = 0;
+    Tcl_Command *cmdTokens;
+
+    if (Tcl_InitStubs(interp, TCL_VERSION, 0) == NULL) {
+	return TCL_ERROR;
+    }
+
+    /*
+     * Initialise our Hash table, where we store the registered command tokens
+     * for each interpreter.
+     */
+
+    PkguaInitTokensHashTable();
+
+    code = Tcl_PkgProvide(interp, "Pkgua", "1.0");
+    if (code != TCL_OK) {
+	return code;
+    }
+
+    Tcl_SetVar(interp, "::pkgua_loaded", ".", TCL_APPEND_VALUE);
+
+    cmdTokens = PkguaInterpToTokens(interp);
+    cmdTokens[cmdIndex++] =
+	    Tcl_CreateObjCommand(interp, "pkgua_eq", PkguaEqObjCmd,
+		    (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
+    cmdTokens[cmdIndex++] =
+	    Tcl_CreateObjCommand(interp, "pkgua_quote", PkguaQuoteObjCmd,
+		    (ClientData) 0, (Tcl_CmdDeleteProc *) NULL);
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Pkgua_SafeInit --
+ *
+ *	This is a package initialization procedure, which is called by Tcl
+ *	when this package is to be added to an unsafe interpreter.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Pkgua_SafeInit(
+    Tcl_Interp *interp)		/* Interpreter in which the package is to be
+				 * made available. */
+{
+    return Pkgua_Init(interp);
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Pkgua_Unload --
+ *
+ *	This is a package unloading initialization procedure, which is called
+ *	by Tcl when this package is to be unloaded form an interpreter.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Pkgua_Unload(
+    Tcl_Interp *interp,		/* Interpreter from which the package is to be
+				 * unloaded. */
+    int flags)			/* Flags passed by the unloading mechanism */
+{
+    int code, cmdIndex;
+    Tcl_Command *cmdTokens = PkguaInterpToTokens(interp);
+
+    for (cmdIndex=0 ; cmdIndex<MAX_REGISTERED_COMMANDS ; cmdIndex++) {
+	if (cmdTokens[cmdIndex] == NULL) {
+	    continue;
+	}
+	code = Tcl_DeleteCommandFromToken(interp, cmdTokens[cmdIndex]);
+	if (code != TCL_OK) {
+	    return code;
+	}
+    }
+
+    PkguaDeleteTokens(interp);
+
+    Tcl_SetVar(interp, "::pkgua_detached", ".", TCL_APPEND_VALUE);
+
+    if (flags == TCL_UNLOAD_DETACH_FROM_PROCESS) {
+	/*
+	 * Tcl is ready to detach this library from the running application.
+	 * We should free all the memory that is not related to any
+	 * interpreter.
+	 */
+
+	PkguaFreeTokensHashTable();
+	Tcl_SetVar(interp, "::pkgua_unloaded", ".", TCL_APPEND_VALUE);
+    }
+    return TCL_OK;
+}
+
+/*
+ *----------------------------------------------------------------------
+ *
+ * Pkgua_SafeUnload --
+ *
+ *	This is a package unloading initialization procedure, which is called
+ *	by Tcl when this package is to be unloaded form an interpreter.
+ *
+ * Results:
+ *	None.
+ *
+ * Side effects:
+ *	None.
+ *
+ *----------------------------------------------------------------------
+ */
+
+int
+Pkgua_SafeUnload(
+    Tcl_Interp *interp,		/* Interpreter from which the package is to be
+				 * unloaded. */
+    int flags)			/* Flags passed by the unloading mechanism */
+{
+    return Pkgua_Unload(interp, flags);
+}