[libcamera-devel] [RFC PATCH 5/6] lc-compliance: Remove using namespace in header files

Hirokazu Honda hiroh at chromium.org
Tue Oct 5 12:26:25 CEST 2021


Hi Laurent,

On Tue, Oct 5, 2021 at 6:45 PM Laurent Pinchart
<laurent.pinchart at ideasonboard.com> wrote:
>
> Hi Hiro,
>
> Thank you for the patch.
>
> On Tue, Oct 05, 2021 at 04:31:13PM +0900, Hirokazu Honda wrote:
> > "using namespace" in a header file propagates the namespace to
> > the files including the header file. So it should be avoided.
> > This removes "using namespace" in header files in lc-compliance.
> >
> > Signed-off-by: Hirokazu Honda <hiroh at chromium.org>
> > ---
> >  src/lc-compliance/environment.cpp | 2 +-
> >  src/lc-compliance/environment.h   | 8 +++-----
> >  2 files changed, 4 insertions(+), 6 deletions(-)
> >
> > diff --git a/src/lc-compliance/environment.cpp b/src/lc-compliance/environment.cpp
> > index 9e24b5e3..f4583c8e 100644
> > --- a/src/lc-compliance/environment.cpp
> > +++ b/src/lc-compliance/environment.cpp
> > @@ -13,7 +13,7 @@ Environment *Environment::get()
> >       return &instance;
> >  }
> >
> > -void Environment::setup(CameraManager *cm, std::string cameraId)
> > +void Environment::setup(libcamera::CameraManager *cm, std::string cameraId)
>
> How about adding 'using namespace libcamera' in this file for
> consistency ? I can change this when applying if desired.
>

I did so because this file is small enough.
Please feel free to do so if you prefer.

Thanks,
-Hiro

> Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
>
> >  {
> >       cm_ = cm;
> >       cameraId_ = cameraId;
> > diff --git a/src/lc-compliance/environment.h b/src/lc-compliance/environment.h
> > index 1c7d9a55..ba308732 100644
> > --- a/src/lc-compliance/environment.h
> > +++ b/src/lc-compliance/environment.h
> > @@ -9,23 +9,21 @@
> >
> >  #include <libcamera/libcamera.h>
> >
> > -using namespace libcamera;
> > -
> >  class Environment
> >  {
> >  public:
> >       static Environment *get();
> >
> > -     void setup(CameraManager *cm, std::string cameraId);
> > +     void setup(libcamera::CameraManager *cm, std::string cameraId);
> >
> >       const std::string &cameraId() const { return cameraId_; }
> > -     CameraManager *cm() const { return cm_; }
> > +     libcamera::CameraManager *cm() const { return cm_; }
> >
> >  private:
> >       Environment() = default;
> >
> >       std::string cameraId_;
> > -     CameraManager *cm_;
> > +     libcamera::CameraManager *cm_;
> >  };
> >
> >  #endif /* __LC_COMPLIANCE_ENVIRONMENT_H__ */
>
> --
> Regards,
>
> Laurent Pinchart


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