tavianator wrote:
For the record, I think the most correct definition, in terms of "this is how
much memory you should allocate for a struct with a flexible array member" is
this:
```c
max(
sizeof(struct S), // always at least the size of the struct itself
round_up(
alignof(struct S), // size must be a multiple of alignment
offsetof(struct S, fam) + count * sizeof(((struct S *)0)->fam[0])
)
)
```
https://github.com/llvm/llvm-project/pull/112636
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