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authorJanne Grunau <janne-vlc@jannau.net>2020-08-22 11:27:44 +0300
committerJanne Grunau <janne-vlc@jannau.net>2020-08-23 01:32:39 +0300
commit6f3a8fb971e31126e80ec4014a4608474ccbb330 (patch)
tree46560b1f9fdd413cb9fcdd73ae1db0d9a52f9390 /CONTRIBUTING.md
parente2d22c0187009c98f8021914cd7800095e218f68 (diff)
contributing: document the allowed internal use of anonymous structs/unions
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diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
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@@ -12,7 +12,7 @@ The todo list can be found [on the wiki](https://code.videolan.org/videolan/dav1
The codebase is developed with the following assumptions:
For the library:
-- C language with C99 version, without the VLA or the Complex (*\_\_STDC_NO_COMPLEX__*) features, and without compiler extension,
+- C language with C99 version, without the VLA or the Complex (*\_\_STDC_NO_COMPLEX__*) features, and without compiler extensions. Anonymous structures and unions are the only allowed compiler extensions for internal code.
- x86 asm in .asm files, using the NASM syntax,
- arm/arm64 in .S files, using the GAS syntax limited to subset llvm 5.0's internal assembler supports,
- no C++ is allowed, whatever the version.