tventi: fix venti graph on 64-bit - plan9port - [fork] Plan 9 from user space
 (HTM) git clone git://src.adamsgaard.dk/plan9port
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       ---
 (DIR) commit 4a8c0c75ffd40d08837d6937e1e995c68ceb276e
 (DIR) parent 7e77a6a569011530d6442d91d20d011d2f01424d
 (HTM) Author: Michael Stroucken <mxs@cmu.edu>
       Date:   Fri, 21 Jul 2017 19:33:55 -0400
       
       venti: fix venti graph on 64-bit
       
       A pixel is 32 bits wide in RGBA, regardless of system's word size.
       
       Change-Id: Iea36a8dafdec9ce8d593f944ef5ed1ea08e11d25
       Reviewed-on: https://plan9port-review.googlesource.com/2980
       Reviewed-by: David du Colombier <0intro@gmail.com>
       
       Diffstat:
         M CONTRIBUTORS                        |       1 +
         M src/cmd/venti/srv/png.c             |       2 +-
       
       2 files changed, 2 insertions(+), 1 deletion(-)
       ---
 (DIR) diff --git a/CONTRIBUTORS b/CONTRIBUTORS
       t@@ -35,6 +35,7 @@ Marius Eriksen <marius.eriksen@gmail.com>
        Martin Neubauer <m.ne@gmx.net>
        Mathieu Lonjaret <lejatorn@gmail.com>
        Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
       +Michael Stroucken <mxs@cmu.edu>
        Michael Teichgräber <mt4swm@googlemail.com>
        Michael Teichgräber <mt@ib.wmipf.de>
        Nathaniel W Filardo <nwf@cs.jhu.edu> <nwfilardo@gmail.com>
 (DIR) diff --git a/src/cmd/venti/srv/png.c b/src/cmd/venti/srv/png.c
       t@@ -212,7 +212,7 @@ writepng(Hio *io, Memimage *m)
                /* image data */
                zr.dx = Dx(m->r);
                zr.dy = Dy(m->r);
       -        zr.width = rgb->width * sizeof(ulong);
       +        zr.width = rgb->width * sizeof(u32int);
                zr.data = rgb->data->bdata;
                zr.x = 0;
                zr.y = 0;