diff Modules/_tkinter.c @ 44460:13aabc23cf2e

Merged revisions 59680-59695 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r59686 | guido.van.rossum | 2008-01-04 00:54:04 +0100 (Fri, 04 Jan 2008) | 2 lines Bug #1301: fixed a bad assert in _tkinter. ........ r59687 | raymond.hettinger | 2008-01-04 01:01:15 +0100 (Fri, 04 Jan 2008) | 3 lines Finish-up the struct module optimizations started at the Iceland NFS sprint. ........ r59688 | christian.heimes | 2008-01-04 01:04:52 +0100 (Fri, 04 Jan 2008) | 1 line Fixed #1687: plistlib.py restricts <integer> to Python int when writing ........ r59689 | christian.heimes | 2008-01-04 01:37:34 +0100 (Fri, 04 Jan 2008) | 1 line Bug #1481296: Fixed long(float('nan'))!=0L. ........ r59691 | andrew.kuchling | 2008-01-04 02:15:50 +0100 (Fri, 04 Jan 2008) | 1 line Markup fixes; grammar tweaks ........ r59692 | andrew.kuchling | 2008-01-04 02:16:12 +0100 (Fri, 04 Jan 2008) | 1 line Add items ........ r59694 | christian.heimes | 2008-01-04 02:48:50 +0100 (Fri, 04 Jan 2008) | 1 line Fixed math.copysign() on Windows ........ r59695 | christian.heimes | 2008-01-04 03:03:25 +0100 (Fri, 04 Jan 2008) | 1 line Filled in some XXX comments ........
author Christian Heimes <christian@cheimes.de>
date Fri, 04 Jan 2008 03:06:10 +0000
parents 6e93d2d6eb28
children 4352d41affb0
line wrap: on
line diff
--- a/Modules/_tkinter.c	Fri Jan 04 01:21:27 2008 +0000
+++ b/Modules/_tkinter.c	Fri Jan 04 03:06:10 2008 +0000
@@ -898,10 +898,12 @@
 		/* This #ifdef assumes that Tcl uses UCS-2.
 		   See TCL_UTF_MAX test above. */
 #if defined(Py_UNICODE_WIDE) && TCL_UTF_MAX == 3
-		Tcl_UniChar *outbuf;
+		Tcl_UniChar *outbuf = NULL;
 		Py_ssize_t i;
-		assert(size < size * sizeof(Tcl_UniChar));
-		outbuf = (Tcl_UniChar*)ckalloc(size * sizeof(Tcl_UniChar));
+		size_t allocsize = ((size_t)size) * sizeof(Tcl_UniChar);
+		if (allocsize >= size)
+			outbuf = (Tcl_UniChar*)ckalloc(allocsize);
+		/* Else overflow occurred, and we take the next exit */
 		if (!outbuf) {
 			PyErr_NoMemory();
 			return NULL;