Added a sanity check to the PGC code.

2020-01-15 02:34:50 +01:00
parent 05515187ee
commit 772a628278
1 changed files with 2 additions and 1 deletions
--- a/src/video/vid_pgc.c
+++ b/src/video/vid_pgc.c
@@ -862,7 +862,8 @@ pgc_fill_polygon(pgc_t *dev, unsigned corners, int32_t *x, int32_t *y)

    pgc_log("PGC: fill_polygon(%i corners)\n", corners);

-    if (corners < 2) return;	/* Degenerate polygon */
+    if (!x || !y || (corners < 2))
+	return;	/* Degenerate polygon */

    nodex = (double *)malloc(corners * sizeof(double));
    dx    = (double *)malloc(corners * sizeof(double));