safer directory set in tiff load

2020-06-03 16:41:29 +01:00 · 2020-06-03 16:41:29 +01:00 · 6e1fd6136d
parent 0f57f3692b
commit 6e1fd6136d
1 changed files with 3 additions and 1 deletions
--- a/libvips/foreign/tiff2vips.c
+++ b/libvips/foreign/tiff2vips.c
@ -679,7 +679,9 @@ rtiff_n_pages( Rtiff *rtiff )
 	for( n = 1; TIFFReadDirectory( rtiff->tiff ); n++ )
 		;

-	rtiff->current_page = n - 1;
+	/* Make sure the nest set_page() will set the directory.
+	 */
+	rtiff->current_page = -1;

 #ifdef DEBUG
 	printf( "rtiff_n_pages: found %d pages\n", n );