plan9port

commit 4a8c0c75ffd40d08837d6937e1e995c68ceb276e
parent 7e77a6a569011530d6442d91d20d011d2f01424d
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(-)
diff --git a/CONTRIBUTORS b/CONTRIBUTORS
@@ -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>
diff --git a/src/cmd/venti/srv/png.c b/src/cmd/venti/srv/png.c
@@ -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;