[ovs-dev] [PATCH] Fully initialize structures to accomodate non C99 compilers.
Linda Sun
lsun at vmware.com
Thu Jan 30 23:08:40 UTC 2014
I found a different solution.
Upgraded my system to use visual studio 2013, which has included c99 libraries. Hooray!
I just verified ovsdb-types.h works as it is on the new VS.
Thanks!
Linda
----- Original Message -----
From: "Ben Pfaff" <blp at nicira.com>
To: "Linda Sun" <lsun at vmware.com>
Cc: dev at openvswitch.org
Sent: Wednesday, January 29, 2014 12:32:10 PM
Subject: Re: [ovs-dev] [PATCH] Fully initialize structures to accomodate non C99 compilers.
I think that's the only viable choice. Let's do that.
On Wed, Jan 29, 2014 at 11:35:43AM -0800, Linda Sun wrote:
> The other way is to fully initialize in c code based on the type.
> It would be more change if you are OK with that.
>
> Linda
>
> ----- Original Message -----
> From: "Linda Sun" <lsun at vmware.com>
> To: "Ben Pfaff" <blp at nicira.com>
> Cc: dev at openvswitch.org
> Sent: Wednesday, January 29, 2014 11:32:03 AM
> Subject: Re: [ovs-dev] [PATCH] Fully initialize structures to accomodate non C99 compilers.
>
>
> Microsoft support seems to indicate that it always initializes the first member of the union.
>
> Linda
>
> ----- Original Message -----
> From: "Ben Pfaff" <blp at nicira.com>
> To: "Linda Sun" <lsun at vmware.com>
> Cc: dev at openvswitch.org
> Sent: Wednesday, January 29, 2014 11:22:18 AM
> Subject: Re: [ovs-dev] [PATCH] Fully initialize structures to accomodate non C99 compilers.
>
> I don't see how those work with any vintage of C compiler. You can't
> just initialize any member of a union and expect the compiler to guess
> which one you mean.
>
> On Wed, Jan 29, 2014 at 11:18:24AM -0800, Linda Sun wrote:
> > ---
> > lib/ovsdb-types.h | 20 ++++++++------------
> > 1 file changed, 8 insertions(+), 12 deletions(-)
> >
> > diff --git a/lib/ovsdb-types.h b/lib/ovsdb-types.h
> > index efd83a7..d3aa262 100644
> > --- a/lib/ovsdb-types.h
> > +++ b/lib/ovsdb-types.h
> > @@ -70,8 +70,8 @@ struct ovsdb_base_type {
> > /* No constraints for Boolean types. */
> >
> > struct ovsdb_string_constraints {
> > - unsigned int minLen; /* minLength or 0. */
> > - unsigned int maxLen; /* maxLength or UINT_MAX. */
> > + uint64_t minLen; /* minLength or 0. */
> > + uint64_t maxLen; /* maxLength or UINT_MAX. */
> > } string;
> >
> > struct ovsdb_uuid_constraints {
> > @@ -82,16 +82,12 @@ struct ovsdb_base_type {
> > } u;
> > };
> >
> > -#define OVSDB_BASE_VOID_INIT { .type = OVSDB_TYPE_VOID }
> > -#define OVSDB_BASE_INTEGER_INIT { .type = OVSDB_TYPE_INTEGER, \
> > - .u.integer = { INT64_MIN, INT64_MAX } }
> > -#define OVSDB_BASE_REAL_INIT { .type = OVSDB_TYPE_REAL, \
> > - .u.real = { -DBL_MAX, DBL_MAX } }
> > -#define OVSDB_BASE_BOOLEAN_INIT { .type = OVSDB_TYPE_BOOLEAN }
> > -#define OVSDB_BASE_STRING_INIT { .type = OVSDB_TYPE_STRING, \
> > - .u.string = { 0, UINT_MAX } }
> > -#define OVSDB_BASE_UUID_INIT { .type = OVSDB_TYPE_UUID, \
> > - .u.uuid = { NULL, NULL, 0 } }
> > +#define OVSDB_BASE_VOID_INIT {OVSDB_TYPE_VOID, NULL, {0, 0}}
> > +#define OVSDB_BASE_INTEGER_INIT {OVSDB_TYPE_INTEGER, NULL, {INT64_MIN, INT64_MAX}}
> > +#define OVSDB_BASE_REAL_INIT {OVSDB_TYPE_REAL, NULL, {-DBL_MAX, DBL_MAX}}
> > +#define OVSDB_BASE_BOOLEAN_INIT {OVSDB_TYPE_BOOLEAN, NULL, {0, 0}}
> > +#define OVSDB_BASE_STRING_INIT {OVSDB_TYPE_STRING, NULL, {0, UINT_MAX}}
> > +#define OVSDB_BASE_UUID_INIT {OVSDB_TYPE_UUID, NULL, {0, 0}}
> >
> > void ovsdb_base_type_init(struct ovsdb_base_type *, enum ovsdb_atomic_type);
> > void ovsdb_base_type_clone(struct ovsdb_base_type *,
> > --
> > 1.7.9.5
> >
> > _______________________________________________
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