grid.c: prevent overflow of div_list

2012-09-26 21:12:26 +02:00 · 2012-09-26 21:12:26 +02:00 · 986f9b7535
parent e096101133
commit 986f9b7535
1 changed files with 3 additions and 0 deletions
--- a/src/frontend/plotting/grid.c
+++ b/src/frontend/plotting/grid.c
@ -389,6 +389,9 @@ lingrid(GRAPH *graph, double lo, double hi, double delta, int type, Axis axis)
            if (dst > div_list[i].div_lim)
                break;

+        if ((size_t) i == NUMELEMS(div_list))
+            i--;
+
        do {
            step = div_list[i].step;
            nsp = (int)((dst + step - 0.0001) / step);