Re: Lua alloc function with just malloc and free causes crash

[roberto@... (Roberto Ierusalimschy)]

> The Lua documentation states that Lua assumes that the allocator never
> fails when osize >= nsize.  Does Lua also assume that the following
> expression always evaluates to true when osize >= nsize?
> 
>   ptr == my_alloc(void *ud, void *ptr, size_t osize, size_t nsize)
> 

No. You can move the block when shrinking it.

-- Roberto