Travis Oliphant wrote: > I made some fixes to the "asbuffer" code which let me feel better about > exposing it in NumPy (where it is now named int_asbuffer). > > This code takes a Python integer and a size and returns a buffer object > that points to that memory. A little test is performed by trying to > read (and possibly write if a writeable buffer is requested) to the > first and last elements of the buffer. Any segfault is trapped and used > to raise a Python error indicating you can't use that area of memory. > > It doesn't guarantee you won't shoot yourself, but it does make it more > difficult to segfault Python. Previously a simple int_asbuffer(3423423, > 5) would have segfaulted (unless by chance you the memory area 3423423 > happens to be owned by Python). > > I have not tested the code on other platforms to make sure it works as > expected, so please try and compiled it. > FWIW, it compiles fine and passes all tests under Visual Studio and Python 2.4.3. I haven't tried to use it though.
-tim > -Travis > > > ------------------------------------------------------------------------- > Using Tomcat but need to do more? Need to support web services, security? > Get stuff done quickly with pre-integrated technology to make your job easier > Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo > http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 > _______________________________________________ > Numpy-discussion mailing list > Numpy-discussion@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/numpy-discussion > > > ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Numpy-discussion mailing list Numpy-discussion@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/numpy-discussion