X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=src%2Foutput%2Fcharts%2Fscree-cairo.c;h=d203b62eff4d983c2f5f5ceada6052d53f3c1331;hb=e91782a2d25dec932c93b7a57bd03d836614ba43;hp=d48a3642a805c3190feffad8fbcaf84c8c31b71c;hpb=f550aee00a62fe1d8baf62d83cd7efef6cc2ee92;p=pspp

diff --git a/src/output/charts/scree-cairo.c b/src/output/charts/scree-cairo.c
index d48a3642a8..d203b62eff 100644
--- a/src/output/charts/scree-cairo.c
+++ b/src/output/charts/scree-cairo.c
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2009 Free Software Foundation, Inc.
+   Copyright (C) 2009, 2011 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -16,11 +16,11 @@
 
 #include <config.h>
 
-#include <output/charts/scree.h>
+#include "output/charts/scree.h"
 
 #include <math.h>
 
-#include <output/cairo-chart.h>
+#include "output/cairo-chart.h"
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
@@ -39,13 +39,15 @@ xrchart_draw_scree (const struct chart_item *chart_item, cairo_t *cr,
 
   gsl_vector_minmax (rc->eval, &min, &max);
 
-  if ( fabs (max) > fabs (min))
+  if (fabs (max) > fabs (min))
     max = fabs (max);
   else
     max = fabs (min);
 
-  xrchart_write_yscale (cr, geom, 0, max, max);
-  xrchart_write_xscale (cr, geom, 0, rc->eval->size + 1, rc->eval->size + 1);
+  if (! xrchart_write_yscale (cr, geom, 0, max))
+    return;
+  if (! xrchart_write_xscale (cr, geom, 0, rc->eval->size + 1))
+    return;
 
   xrchart_vector_start (cr, geom, "");
   for (i = 0 ; i < rc->eval->size; ++i)