Re: [Qemu-block] [Qemu-devel] [PATCH v2 01/13] introduce g_autowipe

2019-08-27 Thread Maxim Levitsky
On Tue, 2019-08-27 at 11:52 +0100, Daniel P. Berrangé wrote: > On Mon, Aug 26, 2019 at 04:50:51PM +0300, Maxim Levitsky wrote: > > Marking a pointer with g_autowipe, will > > not only free it at the scope exit, but also > > erase the data it points to just prior to freeing it. > > > > This is firs

Re: [Qemu-block] [Qemu-devel] [PATCH v2 01/13] introduce g_autowipe

2019-08-27 Thread Daniel P . Berrangé
On Mon, Aug 26, 2019 at 04:50:51PM +0300, Maxim Levitsky wrote: > Marking a pointer with g_autowipe, will > not only free it at the scope exit, but also > erase the data it points to just prior to freeing it. > > This is first attempt to implement this feature, > as suggested by Daniel and Nir. >

Re: [Qemu-block] [Qemu-devel] [PATCH v2 01/13] introduce g_autowipe

2019-08-27 Thread Tony Nguyen
Hi Maxim, On Mon, Aug 26, 2019 at 04:50:51PM +0300, Maxim Levitsky wrote: > 2. is it portable enought for us to use malloc_usable_size > to get the size of malloced pointer in the autofree callback? > This function is aviable in glibc (but no wrapper in glib). We will also need to consider host p