[libvirt] [PATCH] Consistent style for usage of sizeof operator

[Daniel P. Berrange]

On Thu, Mar 29, 2012 at 10:02:00AM -0600, Eric Blake wrote:
> On 03/29/2012 09:51 AM, Daniel P. Berrange wrote:
> > From: "Daniel P. Berrange" <berrange at redhat.com>
> > 
> > The code is splattered with a mix of
> > 
> >   sizeof foo
> >   sizeof (foo)
> >   sizeof(foo)
> > 
> > Standardize on sizeof(foo) and add a syntax check rule to
> > enforce it
> 
> We might also want to document our policy on 'return 0' and 'sizeof(v)'
> in HACKING.
> 
> > ---
> >  cfg.mk                                       |    4 +
> 
> > +++ b/cfg.mk
> > @@ -813,3 +813,7 @@ exclude_file_name_regexp--sc_trailing_blank = \.(fig|gif|ico|png)$$
> >  
> >  exclude_file_name_regexp--sc_unmarked_diagnostics = \
> >    ^(docs/apibuild.py|tests/virt-aa-helper-test)$$
> > +
> > +exclude_file_name_regexp--sc_size_of_brackets = cfg.mk
> > +
> > +exclude_file_name_regexp--sc_const_long_option = tools/virt-host-validate.c
> > diff --git a/daemon/libvirtd.c b/daemon/libvirtd.c
> 
> Where's the new rule that actually adds the syntax check?

In my source tree but not committed ! Opps.

The change was:

diff --git a/cfg.mk b/cfg.mk
index c3de533..ade8690 100644
--- a/cfg.mk
+++ b/cfg.mk
@@ -422,6 +422,12 @@ sc_correct_id_types:
        halt="use pid_t for pid, uid_t for uid, gid_t for gid"          \
          $(_sc_search_regexp)
 
+# Forbid sizeof foo or sizeof (foo), require sizeof(foo)
+sc_size_of_brackets:
+       @prohibit='sizeof\s'                                            \
+       halt='use sizeof(foo), not sizeof (foo) or sizeof foo'          \
+         $(_sc_search_regexp)
+
 # Ensure that no C source file, docs, or rng schema uses TABs for
 # indentation.  Also match *.h.in files, to get libvirt.h.in.  Exclude
 # files in gnulib, since they're imported.
@@ -807,3 +813,5 @@ exclude_file_name_regexp--sc_trailing_blank = \.(fig|gif|ico|png)$$
 
 exclude_file_name_regexp--sc_unmarked_diagnostics = \
   ^(docs/apibuild.py|tests/virt-aa-helper-test)$$
+
+exclude_file_name_regexp--sc_size_of_brackets = cfg.mk


Daniel
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