* Do latest edk2 build tool support C99 standard
@ 2019-09-19 2:40 Wang, Cloud
2019-09-19 20:32 ` [edk2-devel] " Laszlo Ersek
0 siblings, 1 reply; 3+ messages in thread
From: Wang, Cloud @ 2019-09-19 2:40 UTC (permalink / raw)
To: devel@edk2.groups.io
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Dear Edk2 Base tool owner,
Do latest edk2 build tool support C99 standard?
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [edk2-devel] Do latest edk2 build tool support C99 standard
2019-09-19 2:40 Do latest edk2 build tool support C99 standard Wang, Cloud
@ 2019-09-19 20:32 ` Laszlo Ersek
2019-09-19 22:52 ` Wang, Cloud
0 siblings, 1 reply; 3+ messages in thread
From: Laszlo Ersek @ 2019-09-19 20:32 UTC (permalink / raw)
To: Cloud.Wang; +Cc: devel
On 09/19/19 04:40, Wang, Cloud wrote:
> Dear Edk2 Base tool owner,
> Do latest edk2 build tool support C99 standard?
C source code in edk2 targets C95 in general. There are a few extensions
that are allowed (such as the __FUNCTION__ macro, "//"-style comments,
...), and there are some surprising restrictions too (no structure
assignment, no division / multiplication / bit-shifting for 64-bit
integers, no initialization except for static storage duration objects,
functions taking variable arguments must be EFIAPI, ...)
There is a coding style spec at
https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-Specifications#c-coding-standards
Thanks
Laszlo
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [edk2-devel] Do latest edk2 build tool support C99 standard
2019-09-19 20:32 ` [edk2-devel] " Laszlo Ersek
@ 2019-09-19 22:52 ` Wang, Cloud
0 siblings, 0 replies; 3+ messages in thread
From: Wang, Cloud @ 2019-09-19 22:52 UTC (permalink / raw)
To: Laszlo Ersek; +Cc: devel@edk2.groups.io
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Ersek,
thanks for your information
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________________________________
From: Laszlo Ersek <lersek@redhat.com>
Sent: Friday, September 20, 2019 4:32:20 AM
To: Wang, Cloud <Cloud.Wang@amd.com>
Cc: devel@edk2.groups.io <devel@edk2.groups.io>
Subject: Re: [edk2-devel] Do latest edk2 build tool support C99 standard
[CAUTION: External Email]
On 09/19/19 04:40, Wang, Cloud wrote:
> Dear Edk2 Base tool owner,
> Do latest edk2 build tool support C99 standard?
C source code in edk2 targets C95 in general. There are a few extensions
that are allowed (such as the __FUNCTION__ macro, "//"-style comments,
...), and there are some surprising restrictions too (no structure
assignment, no division / multiplication / bit-shifting for 64-bit
integers, no initialization except for static storage duration objects,
functions taking variable arguments must be EFIAPI, ...)
There is a coding style spec at
https://github.com/tianocore/tianocore.github.io/wiki/EDK-II-Specifications#c-coding-standards
Thanks
Laszlo
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