* generic/tkImgGIF.c:

	* generic/tkImgPPM.c:
	* generic/tkImgPhoto.c:
	* generic/tkMenu.c: Applied patch [461578], provided by Vincent
	  Darley. This fixes several memory leaks in the image code. They
	  happen if there are errors during the initialization of the
	  channel the image is supposed to be read from.

4 files changed, 15 insertions, 5 deletions

diff --git a/generic/tkImgGIF.c b/generic/tkImgGIF.c
index 54c857e..108c7ad 100644
--- a/generic/tkImgGIF.c
+++ b/generic/tkImgGIF.c
@@ -29,7 +29,7 @@
  * |   provided "as is" without express or implied warranty.           |
  * +-------------------------------------------------------------------+
  *
- * RCS: @(#) $Id: tkImgGIF.c,v 1.17 2001/07/03 06:00:45 hobbs Exp $
+ * RCS: @(#) $Id: tkImgGIF.c,v 1.18 2001/09/14 20:35:58 andreas_kupries Exp $
  */
 
 /*
@@ -1354,6 +1354,7 @@ FileWriteGIF (interp, filename, format, blockPtr)
 	return TCL_ERROR;
     }
     if (Tcl_SetChannelOption(interp, chan, "-translation", "binary") != TCL_OK) {
+	Tcl_Close(NULL, chan);
 	return TCL_ERROR;
     }
 
diff --git a/generic/tkImgPPM.c b/generic/tkImgPPM.c
index 49aba5a..98c790b 100644
--- a/generic/tkImgPPM.c
+++ b/generic/tkImgPPM.c
@@ -13,7 +13,7 @@
  *	   Department of Computer Science,
  *	   Australian National University.
  *
- * RCS: @(#) $Id: tkImgPPM.c,v 1.7 1999/12/21 23:55:11 hobbs Exp $
+ * RCS: @(#) $Id: tkImgPPM.c,v 1.8 2001/09/14 20:35:58 andreas_kupries Exp $
  */
 
 #define USE_OLD_IMAGE
@@ -274,10 +274,12 @@ FileWritePPM(interp, fileName, formatString, blockPtr)
 
     if (Tcl_SetChannelOption(interp, chan, "-translation", "binary")
 	    != TCL_OK) {
+	Tcl_Close(NULL, chan);
 	return TCL_ERROR;
     }
     if (Tcl_SetChannelOption(interp, chan, "-encoding", "binary")
 	    != TCL_OK) {
+	Tcl_Close(NULL, chan);
 	return TCL_ERROR;
     }
     
diff --git a/generic/tkImgPhoto.c b/generic/tkImgPhoto.c
index 2423ebe..2a9d1df 100644
--- a/generic/tkImgPhoto.c
+++ b/generic/tkImgPhoto.c
@@ -15,7 +15,7 @@
  *	   Department of Computer Science,
  *	   Australian National University.
  *
- * RCS: @(#) $Id: tkImgPhoto.c,v 1.23 2001/04/03 04:34:20 hobbs Exp $
+ * RCS: @(#) $Id: tkImgPhoto.c,v 1.24 2001/09/14 20:35:58 andreas_kupries Exp $
  */
 
 #include "tkInt.h"
@@ -1093,10 +1093,12 @@ ImgPhotoCmd(clientData, interp, objc, objv)
 	}
         if (Tcl_SetChannelOption(interp, chan, "-translation", "binary")
 		!= TCL_OK) {
+	    Tcl_Close(NULL, chan);
             return TCL_ERROR;
         }
         if (Tcl_SetChannelOption(interp, chan, "-encoding", "binary")
 		!= TCL_OK) {
+	    Tcl_Close(NULL, chan);
             return TCL_ERROR;
         }
     
@@ -1710,10 +1712,12 @@ ImgPhotoConfigureMaster(interp, masterPtr, objc, objv, flags)
 	}
         if (Tcl_SetChannelOption(interp, chan, "-translation", "binary")
 		!= TCL_OK) {
+	    Tcl_Close(NULL, chan);
             return TCL_ERROR;
         }
         if (Tcl_SetChannelOption(interp, chan, "-encoding", "binary")
 		!= TCL_OK) {
+	    Tcl_Close(NULL, chan);
             return TCL_ERROR;
         }
 	if (MatchFileFormat(interp, chan, masterPtr->fileString,
diff --git a/generic/tkMenu.c b/generic/tkMenu.c
index a4cc86c..84e338d 100644
--- a/generic/tkMenu.c
+++ b/generic/tkMenu.c
@@ -12,7 +12,7 @@
  * See the file "license.terms" for information on usage and redistribution
  * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
  *
- * RCS: @(#) $Id: tkMenu.c,v 1.11 2001/08/01 16:21:11 dgp Exp $
+ * RCS: @(#) $Id: tkMenu.c,v 1.12 2001/09/14 20:35:58 andreas_kupries Exp $
  */
 
 /*
@@ -2718,7 +2718,10 @@ CloneMenu(menuPtr, newMenuNamePtr, newMenuTypePtr)
    	    		== 0) {
    	    	    Tcl_Obj *newElementPtr = Tcl_NewStringObj(
    	    	    	    Tk_PathName(newMenuPtr->masterMenuPtr->tkwin), -1);
-		    Tcl_IncrRefCount(newElementPtr);
+		    /* 
+		     * The newElementPtr will have its refCount incremented
+		     * here, so we don't need to worry about it any more.
+		     */
    	    	    Tcl_ListObjReplace(menuPtr->interp, bindingsPtr,
    	    	    	    i + 1, 0, 1, &newElementPtr);
 		    newObjv[2] = bindingsPtr;