From e6bf045bcbf9d4984bae5b64267c776d41f8d017 Mon Sep 17 00:00:00 2001
From: das <das>
Date: Mon, 25 Feb 2002 15:21:59 +0000
Subject: 	* unix/tclLoadDyld.c: updated to use Mac OS X 10.1 dyld APIs
 that 	have more libdl-like semantics. (bug #514392)

---
 ChangeLog          |  5 +++++
 unix/tclLoadDyld.c | 32 ++++++++++++++++++++------------
 2 files changed, 25 insertions(+), 12 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 3be8437..1e2594f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2002-02-25  Daniel Steffen  <das@users.sourceforge.net>
+
+	* unix/tclLoadDyld.c: updated to use Mac OS X 10.1 dyld APIs that
+	have more libdl-like semantics. (bug #514392)
+
 2002-02-25  Miguel Sofer  <msofer@users.sourceforge.net>
 
 	* generic/tclCompCmds: fixing a bug in patch dated 2002-02-22, in
diff --git a/unix/tclLoadDyld.c b/unix/tclLoadDyld.c
index a6e16f5..8541416 100644
--- a/unix/tclLoadDyld.c
+++ b/unix/tclLoadDyld.c
@@ -11,10 +11,11 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tclLoadDyld.c,v 1.7 2002/01/09 19:09:28 kennykb Exp $
+ * RCS: @(#) $Id: tclLoadDyld.c,v 1.8 2002/02/25 15:21:59 das Exp $
  */
 
 #include "tclInt.h"
+#include "tclPort.h"
 #include <mach-o/dyld.h>
 
 /*
@@ -58,18 +59,21 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
 				 * this file. */
 {
     NSSymbol symbol;
-    enum DYLD_BOOL dyld_return;
+    const struct mach_header *dyld_lib;
     Tcl_DString newName, ds;
     char *native;
 
     native = Tcl_FSGetNativePath(pathPtr);
-    dyld_return = NSAddLibrary(native);
+    dyld_lib = NSAddImage(native, 
+        NSADDIMAGE_OPTION_WITH_SEARCHING | 
+        NSADDIMAGE_OPTION_RETURN_ON_ERROR);
     
-    if (dyld_return !=  TRUE) {
-	Tcl_AppendResult(interp, "dyld: couldn't add library \"",
-		Tcl_GetString(pathPtr),
-		"\": ", Tcl_PosixError(interp), (char *) NULL);
-	return TCL_ERROR;
+    if (!dyld_lib) {
+        NSLinkEditErrors editError;
+        char *name, *msg;
+        NSLinkEditError(&editError, &errno, &name, &msg);
+        Tcl_AppendResult(interp, msg, (char *) NULL);
+        return TCL_ERROR;
     }
 
     *unloadProcPtr = &TclpUnloadFile;
@@ -82,8 +86,10 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
     Tcl_DStringInit(&newName);
     Tcl_DStringAppend(&newName, "_", 1);
     native = Tcl_DStringAppend(&newName, native, -1);
-    if(NSIsSymbolNameDefined(native)) {
-        symbol = NSLookupAndBindSymbol(native);
+    symbol = NSLookupSymbolInImage(dyld_lib, native, 
+        NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | 
+        NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
+    if(symbol) {
         *proc1Ptr = NSAddressOfSymbol(symbol);
         *clientDataPtr = NSModuleForSymbol(symbol);
     } else {
@@ -97,8 +103,10 @@ TclpLoadFile(interp, pathPtr, sym1, sym2, proc1Ptr, proc2Ptr,
     Tcl_DStringInit(&newName);
     Tcl_DStringAppend(&newName, "_", 1);
     native = Tcl_DStringAppend(&newName, native, -1);
-    if(NSIsSymbolNameDefined(native)) {
-        symbol = NSLookupAndBindSymbol(native);
+    symbol = NSLookupSymbolInImage(dyld_lib, native, 
+        NSLOOKUPSYMBOLINIMAGE_OPTION_BIND_NOW | 
+        NSLOOKUPSYMBOLINIMAGE_OPTION_RETURN_ON_ERROR);
+    if(symbol) {
         *proc2Ptr = NSAddressOfSymbol(symbol);
     } else {
         *proc2Ptr=NULL;
-- 
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