netdev - Re: [PATCH net-next] tools: ynl-gen: use uapi header name for the header guard

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Message-ID: <07c52946-fac0-4e32-bd9d-883d05997f93@intel.com>
Date: Wed, 4 Oct 2023 12:50:42 +0200
From: Przemek Kitszel <przemyslaw.kitszel@...el.com>
To: Jakub Kicinski <kuba@...nel.org>, <davem@...emloft.net>
CC: <netdev@...r.kernel.org>, <edumazet@...gle.com>, <pabeni@...hat.com>,
	Chuck Lever <chuck.lever@...cle.com>
Subject: Re: [PATCH net-next] tools: ynl-gen: use uapi header name for the
 header guard

On 10/4/23 00:57, Jakub Kicinski wrote:
> Chuck points out that we should use the uapi-header property
> when generating the guard. Otherwise we may generate the same
> guard as another file in the tree.
> 
> Tested-by: Chuck Lever <chuck.lever@...cle.com>
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>
> ---
>   tools/net/ynl/ynl-gen-c.py | 6 +++++-
>   1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
> index 897af958cee8..168fe612b029 100755
> --- a/tools/net/ynl/ynl-gen-c.py
> +++ b/tools/net/ynl/ynl-gen-c.py
> @@ -805,6 +805,10 @@ from lib import SpecFamily, SpecAttrSet, SpecAttr, SpecOperation, SpecEnumSet, S
>               self.uapi_header = self.yaml['uapi-header']
>           else:
>               self.uapi_header = f"linux/{self.name}.h"
> +        if self.uapi_header.startswith("linux/") and self.uapi_header.endswith('.h'):
> +            self.uapi_header_name = self.uapi_header[6:-2]
> +        else:
> +            self.uapi_header_name = self.name
>   
>       def resolve(self):
>           self.resolve_up(super())
> @@ -2124,7 +2128,7 @@ _C_KW = {
>   
>   
>   def render_uapi(family, cw):
> -    hdr_prot = f"_UAPI_LINUX_{family.name.upper()}_H"
> +    hdr_prot = f"_UAPI_LINUX_{c_upper(family.uapi_header_name)}_H"
>       cw.p('#ifndef ' + hdr_prot)
>       cw.p('#define ' + hdr_prot)
>       cw.nl()

Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>