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Re: [Qemu-devel] [PATCH] typedefs: add QJSON
From: |
Greg Kurz |
Subject: |
Re: [Qemu-devel] [PATCH] typedefs: add QJSON |
Date: |
Fri, 8 Jun 2018 11:19:49 +0200 |
On Fri, 8 Jun 2018 10:04:39 +0100
"Dr. David Alan Gilbert" <address@hidden> wrote:
> * Greg Kurz (address@hidden) wrote:
> > Since commit 83ee768d6247b, we now have two places that define the
> > QJSON type:
> >
> > $ git grep 'typedef struct QJSON QJSON'
> > include/migration/vmstate.h:typedef struct QJSON QJSON;
> > migration/qjson.h:typedef struct QJSON QJSON;
> >
> > This breaks address@hidden:
> >
> > In file included from /tmp/qemu-test/src/migration/savevm.c:59:
> > /tmp/qemu-test/src/migration/qjson.h:16: error: redefinition of typedef
> > 'QJSON'
> > /tmp/qemu-test/src/include/migration/vmstate.h:30: note: previous
> > declaration of 'QJSON' was here
> > make: *** [migration/savevm.o] Error 1
> >
> > This happens because CentOS 6 has an old GCC 4.4.7. Even if redefining
> > a typedef with the same type is permitted since GCC 4.6, unless -pedantic
> > is passed, we don't really need to do that on purpose. Let's have a
> > single definition in <qemu/typedefs.h> instead.
> >
> > Signed-off-by: Greg Kurz <address@hidden>
>
> Yeh that looks right to me;
>
>
> Reviewed-by: Dr. David Alan Gilbert <address@hidden>
>
Hi Dave,
Whose tree should this go through ?
$ git show | ./scripts/get_maintainer.pl
Juan Quintela <address@hidden> (maintainer:Migration)
"Dr. David Alan Gilbert" <address@hidden> (maintainer:Migration)
address@hidden (open list:All patches CC here)
Cheers,
--
Greg
> > ---
> > include/migration/vmstate.h | 2 --
> > include/qemu/typedefs.h | 1 +
> > migration/qjson.h | 2 --
> > 3 files changed, 1 insertion(+), 4 deletions(-)
> >
> > diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
> > index 3747110f951a..42b946ce902c 100644
> > --- a/include/migration/vmstate.h
> > +++ b/include/migration/vmstate.h
> > @@ -27,8 +27,6 @@
> > #ifndef QEMU_VMSTATE_H
> > #define QEMU_VMSTATE_H
> >
> > -typedef struct QJSON QJSON;
> > -
> > typedef struct VMStateInfo VMStateInfo;
> > typedef struct VMStateDescription VMStateDescription;
> > typedef struct VMStateField VMStateField;
> > diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
> > index 325c72de3313..3ec0e13a967f 100644
> > --- a/include/qemu/typedefs.h
> > +++ b/include/qemu/typedefs.h
> > @@ -97,6 +97,7 @@ typedef struct QEMUTimer QEMUTimer;
> > typedef struct QEMUTimerListGroup QEMUTimerListGroup;
> > typedef struct QBool QBool;
> > typedef struct QDict QDict;
> > +typedef struct QJSON QJSON;
> > typedef struct QList QList;
> > typedef struct QNull QNull;
> > typedef struct QNum QNum;
> > diff --git a/migration/qjson.h b/migration/qjson.h
> > index 2978b5f37121..41664f2d71b5 100644
> > --- a/migration/qjson.h
> > +++ b/migration/qjson.h
> > @@ -13,8 +13,6 @@
> > #ifndef QEMU_QJSON_H
> > #define QEMU_QJSON_H
> >
> > -typedef struct QJSON QJSON;
> > -
> > QJSON *qjson_new(void);
> > void qjson_destroy(QJSON *json);
> > void json_prop_str(QJSON *json, const char *name, const char *str);
> >
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK