Various blitter fixes, should fix 8088MPH Kefrens segmentation fault.

2021-09-27 04:32:08 +02:00
parent fe48e3b36d
commit 03ed12a966
4 changed files with 5 additions and 7 deletions
--- a/src/vnc.c
+++ b/src/vnc.c
@@ -172,7 +172,7 @@ vnc_blit(int x, int y, int w, int h)
    uint32_t *p;
    int yy;

-    if (h <= 0)
+    if ((x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL))
 	return;

    for (yy=0; yy<h; yy++) {