From: chris.m.thomasson.1@gmail.com   
      
   On 10/7/2025 11:35 PM, Kaz Kylheku wrote:   
   > Jonas Lund of https://whizzter.woorlic.org/ mentioned this   
   > trick in a HackerNews comment:   
   >   
   > Given:   
   >   
   >    struct S {   
   >      // ...   
   >      T A[];   
   >    };   
   >   
   > Don't do this:   
   >   
   >    malloc(offsetof(S, A) + n * sizeof (T));   
   >   
   > But rather this:   
   >   
   >    malloc(offsetof(S, A[n]));   
   >   
   > It's easy to forget that the second argument of offsetof is a   
   > designator, not simply a member name.   
   >   
      
   For some god damn reason its raising memories of an older region   
   allocator I mocked up in C:   
      
   Still on pastebin. funny:   
      
   https://groups.google.com/g/comp.lang.c/c/H_p2Ki5JhYU/m/rlSzqJsxCQAJ   
      
   https://pastebin.com/raw/f37a23918   
   (no ads, raw text)   
      
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