On Thu, 2009-12-17 at 19:55 +0100, David Eriksson wrote: > Any takers? 64-bit issue in my crappy code? :-) > > \David > > email message attachment > > -------- Forwarded Message -------- > > From: Sascha Silbe <sascha-debian-bugs-librapi2-tool...@silbe.org> > > Reply-to: Sascha Silbe > > <sascha-debian-bugs-librapi2-tool...@silbe.org>, > > "561...@bugs.debian.org" <561...@bugs.debian.org> > > To: Debian Bug Tracking System <sub...@bugs.debian.org> > > Subject: Bug#561501: librapi2-tools: synce-pcp transfer speed > > calculation totally off > > Date: Thu, 17 Dec 2009 19:06:44 +0100 > > > > Package: librapi2-tools > > Version: 0.11.1-2 > > Severity: minor > > > > > > The transfer speed synce-pcp displays after finishing the transfer is > > totally off: > > > > File copy of 5448098 bytes took 0 minutes and 16 seconds, that's > > 738849265627674 bytes/s.
I've seen this one before, but only on Debian, and frankly I don't understand it. Lets try and run through it. If we assume the bytes copied and time shown are correct representations, which seems reasonable, then size_t bytes_copies = 5448098 time_t duration = 16 so the offending calculation is (size_t) 5448098 / (time_t) 16 which is then passed to printf as a long int (%li). Is this an awkward printf / arithmetic promotion thing ? Maybe the printf should use %zi ? This is really awkward to figure out unless it happens to us :) > > File copy of 6666971 bytes took 0 minutes and 19 seconds, that's > > 755515038539275 bytes/s. > > File copy of 4687934 bytes took 0 minutes and 13 seconds, that's > > 779445379125095 bytes/s. > > File copy of 3720359 bytes took 0 minutes and 10 seconds, that's > > 802179202683818 bytes/s. > > File copy of 4101747 bytes took 0 minutes and 12 seconds, that's > > 738849265628980 bytes/s. > > File copy of 2663444 bytes took 0 minutes and 7 seconds, that's > > 824294418796108 bytes/s. > > File copy of 850547 bytes took 0 minutes and 3 seconds, that's > > 609843838298321 bytes/s. > > File copy of 3833208 bytes took 0 minutes and 11 seconds, that's > > 754841673975190 bytes/s. > > File copy of 5167020 bytes took 0 minutes and 15 seconds, that's > > 741194818854769 bytes/s. > > File copy of 2736587 bytes took 0 minutes and 8 seconds, that's > > 738849265629241 bytes/s. > > File copy of 4554187 bytes took 0 minutes and 13 seconds, that's > > 757794118593571 bytes/s. > > File copy of 3771036 bytes took 0 minutes and 11 seconds, that's > > 742047747297899 bytes/s. > > File copy of 3424130 bytes took 0 minutes and 9 seconds, that's > > 828762139221091 bytes/s. > > File copy of 3784098 bytes took 0 minutes and 11 seconds, that's > > 742047747299086 bytes/s. > > File copy of 2425208 bytes took 0 minutes and 7 seconds, that's > > 763980193024346 bytes/s. > > File copy of 4444996 bytes took 0 minutes and 13 seconds, that's > > 736142858063936 bytes/s. > > File copy of 5857698 bytes took 0 minutes and 16 seconds, that's > > 791624213173786 bytes/s. > > File copy of 1290971 bytes took 0 minutes and 4 seconds, that's > > 703665967262902 bytes/s. > > File copy of 7148147 bytes took 0 minutes and 20 seconds, that's > > 774032563991583 bytes/s. > > File copy of 1729828 bytes took 0 minutes and 5 seconds, that's > > 759959244641338 bytes/s. > > File copy of 6052571 bytes took 0 minutes and 16 seconds, that's > > 818011686946221 bytes/s. > > File copy of 3287249 bytes took 0 minutes and 9 seconds, that's > > 797488096230764 bytes/s. > > File copy of 1968587 bytes took 0 minutes and 5 seconds, that's > > 872545799399515 bytes/s. > > > > > > -- System Information: > > Debian Release: 5.0.3 > > APT prefers stable > > APT policy: (500, 'stable') > > Architecture: amd64 (x86_64) > > > > Kernel: Linux 2.6.26-2-amd64 (SMP w/2 CPU cores) > > Locale: LANG=en_US, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8) > > Shell: /bin/sh linked to /bin/dash > > > > Versions of packages librapi2-tools depends on: > > ii libc6 2.7-18 GNU C Library: Shared > > libraries > > ii librapi2 0.11.1-2etch1 Make RAPI calls to a > > Windows Mobil > > ii libsynce0 0.11.1-1etch1 Helper library for SynCE, a > > tool t > > > > librapi2-tools recommends no packages. > > > > librapi2-tools suggests no packages. > > > > -- no debconf information > > > > CU Sascha > > > > -- > > http://sascha.silbe.org/ > > http://www.infra-silbe.de/
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