bugfix: added error reporting on invalid BMP bpp value; this fixes #21

pts · Feb 27, 2018 · 4737871 · 4737871
1 parent b18d7b7
commit 4737871
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/input-bmp.ci b/input-bmp.ci
@@ -172,6 +172,12 @@ bitmap_type bmp_load_image (at_string filename)
 
   if (Maps != 3 && Maps != 4) FATALP("BMP: Bad color_size.");
 
+  switch (Bitmap_Head.biBitCnt) {
+   case 32: case 24: case 16: case 8: case 4: case 2: case 1: break;
+   default:
+    FATALP ("BMP: Invalid bpp.");
+  }
+
   /* Valid options 1, 4, 8, 16, 24, 32 */
   /* 16 is awful, we should probably shoot whoever invented it */