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From: Tim Rentsch <tr.17687@z991.linuxsc.com>
Newsgroups: comp.lang.c
Subject: Re: Safety of casting from 'long' to 'int'
Date: Fri, 08 May 2026 20:04:51 -0700
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cross@spitfire.i.gajendra.net (Dan Cross) writes:

[concerning UB when multiplying 16-bit unsigneds]

> Yes.  Btw, the fix is almost trivial:
>
> ```
> uint16_t
> mul(uint16_t a, uint16_t b)
> {
>     unsigned int aa = a, bb = b;
>     return aa * bb;
> }
> ```

Easier:

   uint16_t
   mul( unsigned a, unsigned b ){
      return  a*b;
   }