Date: Tue, 17 Apr 2012 22:54:40 -0400 From: Rich Felker <dalias@...ifal.cx> To: musl@...ts.openwall.com Subject: Re: New scanf testing framework On Tue, Apr 17, 2012 at 09:06:46PM -0400, Rich Felker wrote: > Here's something I've been hacking around on for the past hour to test > scanf. It's just a framework, very few tests, but the idea is that > adding new tests is easy and they automatically test 4 variants > (byte/wide, file/string) versions of scanf for expected > success/failure, characters consumed, final file position, and value > of the conversion. If anybody wants to play around with this and try > to find some cases that break musl's new scanf code, I'd be happy to > hear results. I tried it with glibc, and realized it's invoking undefined behavior by writing to the temp file with byte-oriented fwrite then performing fwscanf (wide) to read from it. I'll send a new version (along with a heapload of tests) in a little bit. Rich
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