On Wed, Mar 04, 2015 at 17:17:06 +0100, Pavel Hrdina wrote: > Using this macro will ensure that the value stored in domain def will > never be greater than VIR_DOMAIN_MEMORY_PARAM_UNLIMITED. > > Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx> > --- > src/util/virutil.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/src/util/virutil.h b/src/util/virutil.h > index d1173c1..003eee6 100644 > --- a/src/util/virutil.h > +++ b/src/util/virutil.h > @@ -98,6 +98,10 @@ const char *virEnumToString(const char *const*types, > const char *name ## TypeToString(int type); \ > int name ## TypeFromString(const char*type); > > +# define VIR_SET_MEMORY_LIMIT(limit, value) \ > + limit = (value) < VIR_DOMAIN_MEMORY_PARAM_UNLIMITED ? (value) : \ > + VIR_DOMAIN_MEMORY_PARAM_UNLIMITED You should document that @value cannot have side effects as it's evaluated twice. Also why don't you make an inline function that returns the truncated value? Peter
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