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Message-ID: <5851C9C3.6050609@adelielinux.org>
Date: Wed, 14 Dec 2016 16:37:55 -0600
From: "A. Wilcox" <awilfox@...lielinux.org>
To: musl@...ts.openwall.com
Subject: Re: Handling of L and ll prefixes different from glibc

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On 14/12/16 11:17, Szabolcs Nagy wrote:
> * Rich Felker <dalias@...c.org> [2016-12-14 11:13:48 -0500]:
>> behavior. I'm mildly leaning towards causing a crash on invalid
>> format strings so that the location of the incorrect usage can be
>> quickly found with a debugger, but I'd like feedback from users
>> who've debugged this sort of thing on whether that'd actually be
>> helpful.
> 
> crashing sounds good to me.
> 

Would this be able to be configured in some way when building the libc
(-D_CRASH_ON_PRINTF_UB or such)?

This sounds like a great tool to use when doing conformance testing,
and in general once testing has been done.  However, it also sounds
like a great way to break packages already "working" on musl.

- --arw

- -- 
A. Wilcox (awilfox)
Project Lead, Adélie Linux
http://adelielinux.org
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