Re: [Qemu-devel] [PATCH] linux-user: If loading fails, print error as string, not number

[malc]

On Fri, 24 Aug 2012, Peter Maydell wrote:

> If the attempt to load the guest executable fails, print the
> error message as a string, not a number. This requires us to
> fix a couple of places in loader_exec() where we were returning
> -1 instead of a valid negative errno.
> 
> The change allows us to drop the "Unknown binary format" message
> because the strerror-enhanced message is now a more self-explanatory
> "Error while loading $guest-binary: Exec format error".

Double edged sword:

a. Localized strings that is near impossible to map back to anything
   useful
b. Codes whose meaning is overloaded beyond repair

Sometimes sticking to plain numbers works better.

[..snip..]

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