expand: memory allocation failed

Steven Schveighoffer schveiguy at
Tue Oct 26 20:33:17 UTC 2021

On 10/26/21 1:38 PM, Imperatorn wrote:

> That's the current implementation.

No, that's the API. You cannot fix the implementation with that API and 
not end up allocating an array to hold the entire unzipped contents. You 
can't even decompress to a file, and then mmap those contents -- the 
address space isn't there.

> I don't know about *nix, but my Windows machine can easily extract a 
> file bigger than my RAM.

zlib does not require decompressing in entirety. This is just the way 
that decided to expose the API. e.g. iopipe uses an expandable 
buffer for decompression and compression, which does not have to contain 
the entire file.


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