jpeg read is less fussy about exif data

even read truncated exif

TODO

@@ -1,3 +1,4 @@
+- look into preserving IPTC data
 
 - check libtool version number, should be binary-compat with 7.30 
 

libvips/foreign/jpeg2vips.c

@@ -79,9 +79,9 @@
  */
 
 /*
+ */
 #define DEBUG_VERBOSE
 #define DEBUG
- */
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -598,13 +598,11 @@ read_exif( VipsImage *im, void *data, int data_length )
 #ifdef HAVE_EXIF
 {
 	ExifData *ed;
+	VipsExif ve;
 
 	if( !(ed = exif_data_new_from_data( data, data_length )) )
 		return( -1 );
 
-	if( ed->size > 0 ) {
-		VipsExif ve;
-
 #ifdef DEBUG_VERBOSE
 	show_tags( ed );
 	show_values( ed );
@@ -630,7 +628,6 @@ read_exif( VipsImage *im, void *data, int data_length )
 	set_vips_resolution( im, ed );
 
 	attach_thumbnail( im, ed );
-	}
 
 	exif_data_free( ed );
 }