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2014-09-15T19:56:55Z names: ccl-logbot krzysz00 Posterdati drmeister foom segv- yacks attila_lendvai nicdev oleo kanru scymtym edgar-rft DGASAU dkcl prxq pkhuong angavrilov_ gingerale christoph_debian mood p_l|backup minion specbot jsnell loke ferada phf flip214 leoc heddwch sobel luis fe[nl]ix Blkt Perlboy White_Flame alchemis7 akkad p_l irsol wmarvel_ milosn Skrylar ams redline6561 cracauer_ reb`` jdz pchrist qbit ivan`` Bike les asedeno brucem yauz antoszka jackdaniel zacts
2014-09-15T19:56:55Z names: leo2007 Intensity @Krystof karswell |3b| PuercoPop thoto_ carvite faheem__1 tmh_
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2014-09-15T20:21:50Z pkhuong: (the docs lie)
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2014-09-15T20:28:13Z foom: the docs claim qsort doesn't allocate?
2014-09-15T20:28:38Z pkhuong: the docs claim it's safe from async signal handlers
2014-09-15T20:29:08Z pkhuong: and the docs say that functions that do use the heap are marked with "heap" and are AS-unsafe.
2014-09-15T20:30:21Z pkhuong: the same page says that breaking ties by address is a good way to get a stable sort (and has since 1995, at least) ;)
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2014-09-15T20:34:22Z foom: yeah...doc error.
2014-09-15T20:34:35Z foom: posix doesn't require it to be async-signal-safe.
2014-09-15T20:34:56Z foom: Being able to malloc a temp area is pretty useful for a sort algorithm, so I doubt they'd get rid of that.
2014-09-15T20:35:21Z pkhuong: qsort doesn't need that ;)
2014-09-15T20:38:00Z foom: oh, hm, yes...it's not a stable sort, it should be able to make do without auxiliary storage and still be efficient.
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2014-09-15T23:09:01Z pkhuong: so, the funny thing is that's what it tries to do
2014-09-15T23:09:29Z pkhuong: it won't malloc the temp space would be too big and they have a failover if malloc returns NULL
2014-09-15T23:09:34Z pkhuong: but they still malloc :\
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2014-09-15T23:55:06Z names: ccl-logbot karswell mood p_l|backup minion specbot jsnell loke ferada phf flip214 leoc heddwch sobel luis fe[nl]ix Blkt Perlboy White_Flame alchemis7 akkad p_l irsol wmarvel_ milosn Skrylar ams redline6561 cracauer_ jdz pchrist qbit ivan`` Bike les asedeno brucem yauz antoszka jackdaniel zacts leo2007 Intensity @Krystof |3b| PuercoPop thoto_ carvite faheem__1 christoph_debian angavrilov_ pkhuong prxq DGASAU edgar-rft scymtym kanru yacks Posterdati
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