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A comment on Learning that you can use unions in C for grouping things into namespaces. Parent comment

Re:Learning that you can use unions in C for grouping things... by 10000truths on Sunday August 01, 2021 @05:39PM (#28030284)
For architectures where unaligned accesses are illegal, gcc will generate multiple load/store instructions when accessing packed struct fields by name. The main caveat to look out for is taking the address of a packed struct member and then dereferencing it.
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Re:Learning that you can use unions in C for grouping things... by formerly_proven on Monday August 02, 2021 @02:49AM (#28033608)
Ah, right. Thanks for the correction.
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