This was detected while attempting to use C99's stdbool for the
BOOLEAN type, which causes a compilation error. But I am using GCC10.

On Sun, Mar 28, 2021 at 11:11 PM gaoliming <gaolim...@byosoft.com.cn> wrote:
>
> Tim:
>  This change is good. Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn>
>
>  Besides, which compiler detects this issue?
>
> Thanks
> Liming
> > -----邮件原件-----
> > 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Tim Crawford
> > 发送时间: 2021年3月26日 8:48
> > 收件人: devel@edk2.groups.io
> > 主题: [edk2-devel] [PATCH] BaseTools/GenFw: Fix casting result of
> > comparison
> >
> > The cast in IsDataShdr() is only applied the left side, causing it to
> > always return FALSE.
> >
> > Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=3271
> > Signed-off-by: Tim Crawford <tcrawf...@system76.com>
> > ---
> >  BaseTools/Source/C/GenFw/Elf32Convert.c | 2 +-
> >  BaseTools/Source/C/GenFw/Elf64Convert.c | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/BaseTools/Source/C/GenFw/Elf32Convert.c
> > b/BaseTools/Source/C/GenFw/Elf32Convert.c
> > index 7f351287a9..df54991768 100644
> > --- a/BaseTools/Source/C/GenFw/Elf32Convert.c
> > +++ b/BaseTools/Source/C/GenFw/Elf32Convert.c
> > @@ -262,7 +262,7 @@ IsDataShdr (
> >    if (IsHiiRsrcShdr(Shdr)) {
> >
> >      return FALSE;
> >
> >    }
> >
> > -  return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE);
> >
> > +  return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE));
> >
> >  }
> >
> >
> >
> >  STATIC
> >
> > diff --git a/BaseTools/Source/C/GenFw/Elf64Convert.c
> > b/BaseTools/Source/C/GenFw/Elf64Convert.c
> > index 4ed6b4477e..1bf1e9accb 100644
> > --- a/BaseTools/Source/C/GenFw/Elf64Convert.c
> > +++ b/BaseTools/Source/C/GenFw/Elf64Convert.c
> > @@ -270,7 +270,7 @@ IsDataShdr (
> >    if (IsHiiRsrcShdr(Shdr)) {
> >
> >      return FALSE;
> >
> >    }
> >
> > -  return (BOOLEAN) (Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE);
> >
> > +  return (BOOLEAN) ((Shdr->sh_flags & (SHF_WRITE | SHF_ALLOC)) ==
> > (SHF_ALLOC | SHF_WRITE));
> >
> >  }
> >
> >
> >
> >  STATIC
> >
> > --
> > 2.30.2
> >
> >
> >
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> > [gaolim...@byosoft.com.cn]
> > -=-=-=-=-=-=
> >
>
>
>


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