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Re: [Libvir] PATCH: 9/16: main internal storage driver



On Mon, Feb 18, 2008 at 02:41:09PM +0100, Jim Meyering wrote:
> "Daniel P. Berrange" <berrange redhat com> wrote:
> ...
> > diff -r 77cf7f42edd4 src/storage_conf.c
> > --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
> > +++ b/src/storage_conf.c	Thu Feb 07 12:59:40 2008 -0500
> ...
> > +static int virStoragePoolDefParsePerms(virConnectPtr conn, xmlXPathContextPtr ctxt, virStoragePermsPtr perms) {
> > +    char *mode;
> > +    long v;
> > +
> > +    mode = virXPathString("string(/pool/permissions/mode)", ctxt);
> > +    if (!mode) {
> > +        perms->mode = 0700;
> > +    } else {
> > +        char *end;
> > +        perms->mode = strtol(mode, &end, 8);
> > +        if (end && *end) {
> > +            virStorageReportError(conn, VIR_ERR_XML_ERROR, "malformed octal mode");
> > +            return -1;
> > +        }
> > +    }
> ...
> 
> As long as you're checking for invalid inputs, you might as well
> check for a couple other cases: negative: -01, and overflow:
> (otherwise, 07777777777777777777777777777 is accepted)
> And you can drop the "end &&" part, since "end" will never be NULL.

Ok. Will do.


> > +    *ret = strtoull(val, &end, 10);
> > +    if (end && *end) {
> > +        virStorageReportError(conn, VIR_ERR_XML_ERROR, "malformed capacity element");
> > +        return -1;
> 
> Maybe use virStrToLong_ui instead of strtoull here?

Yes, it should do.

Dan.
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