The memory leak appears to be a malloc that is used to handle unicode characters. I don't think that malloc is required and I will fix the code to take it out.
On Jan 23, 2015, at 5:50 AM, Phil Rosenberg <p.d.rosenb...@gmail.com> wrote: > Hi Laurent > The wxWidgets driver is currently undergoing a redesign in preparation > for the next release of plplot. In the new version we will endeavour > to ensure that we have no memory issues. That particular leak seems to > be associated with plplot's internal storage buffer. I will have a > look at what is going on and make sure any issues are dealt with and > will keep you informed. > > Phil > > On 23 January 2015 at 09:45, Laurent Berger > <laurent.ber...@univ-lemans.fr> wrote: >> Hi, >> >> I have got a program using plplot wxwidgets and opencv on windows and >> linux mint. >> I use valgrind to check memory on linux. I have got some memory leak >> (definitely lost) : >> >> ==19342== 128 bytes in 13 blocks are definitely lost in loss record >> 14,252 of 17,211 >> ==19342== at 0x4C2935B: malloc (vg_replace_malloc.c:270) >> ==19342== by 0x1008661F: rdbuf_text (in >> /usr/local/lib/libplplot.so.12.0.1) >> ==19342== by 0x10085FBC: rdbuf_esc (in >> /usr/local/lib/libplplot.so.12.0.1) >> ==19342== by 0x10086A9C: plbuf_control (in >> /usr/local/lib/libplplot.so.12.0.1) >> ==19342== by 0x100869B9: plRemakePlot (in >> /usr/local/lib/libplplot.so.12.0.1) >> ==19342== by 0x10057EC3: c_plreplot (in >> /usr/local/lib/libplplot.so.12.0.1) >> ==19342== by 0xB8146F5: plstream::replot() (in >> /usr/local/lib/libplplotcxx.so.11.0.0) >> ==19342== by 0xB5FE151: wxPLplotstream::RenewPlot() (in >> /usr/local/lib/libplplotwxwidgets.so.0.0.0) >> ==19342== by 0xB6001FE: wxPLplotwindow::RenewPlot() (in >> /usr/local/lib/libplplotwxwidgets.so.0.0.0) >> ==19342== by 0x495D04: FenetreCoupe::Plot(bool) (in >> /home/lb/Documents/wxOpenCV/wxOpenCVMain/wxOpenCVMain) >> ==19342== by 0x4B70E0: ImageStatistiques::MAJCoupe(wxRect&) (in >> /home/lb/Documents/wxOpenCV/wxOpenCVMain/wxOpenCVMain) >> ==19342== by 0x48737B: ZoneImage::OnLeftButtonUp(wxMouseEvent&) (in >> /home/lb/Documents/wxOpenCV/wxOpenCVMain/wxOpenCVMain) >> >> My code to plot the curve is here >> perso.univ-lemans.fr/~berger/Afsd56/FenetreCoupe.cpp and sa screencopy >> of the curve perso.univ-lemans.fr/~berger/Afsd56/copie.jpg >> >> Is it really a memory leak ? If yes Have you got any idea to solve this >> problem? >> Thanks you for your answer. >> >> -- >> Laurent Berger >> Enseignant-chercheur I.U.T. du Mans >> Département Gestion des Entreprises et des Administrations >> Département Mesures Physiques >> Tél 02 43 83 37 09 >> >> >> ------------------------------------------------------------------------------ >> New Year. New Location. New Benefits. New Data Center in Ashburn, VA. >> GigeNET is offering a free month of service with a new server in Ashburn. >> Choose from 2 high performing configs, both with 100TB of bandwidth. >> Higher redundancy.Lower latency.Increased capacity.Completely compliant. >> http://p.sf.net/sfu/gigenet >> _______________________________________________ >> Plplot-devel mailing list >> Plplot-devel@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/plplot-devel > > ------------------------------------------------------------------------------ > New Year. New Location. New Benefits. New Data Center in Ashburn, VA. > GigeNET is offering a free month of service with a new server in Ashburn. > Choose from 2 high performing configs, both with 100TB of bandwidth. > Higher redundancy.Lower latency.Increased capacity.Completely compliant. > http://p.sf.net/sfu/gigenet > _______________________________________________ > Plplot-devel mailing list > Plplot-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/plplot-devel ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet _______________________________________________ Plplot-devel mailing list Plplot-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/plplot-devel
