| Date | Thu, 12 Dec 2013 11:57:57 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH 01/38] perf tools: Use asprintf instead of malloc plus snprintf |
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Em Wed, Dec 11, 2013 at 02:16:50PM -0800, Andi Kleen escreveu: > On Wed, Dec 04, 2013 at 05:06:25PM -0300, Arnaldo Carvalho de Melo wrote: > > From: Adrian Hunter <adrian.hunter@intel.com> > > > > The asprintf library function is equivalent to malloc plus snprintf so > > use it because it is simpler. > > I used to be very fond of asprintf too, but apparently there are some > really ancient glibc versions that implement it incorrectly. > I had to remove it from mcelog at some point because of that. > > No need to yank it out, but just to let you know.
Can you point me to some specific glibc version where this happens? So that we can write a feature test and if this problem is detected, then we can provide a simple malloc + snprintf alternative that works as expected.
- Arnaldo
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