fix a used-before-set error in im_vips2dz

we were reading an uninited string in a vips7 compatibility wrapper, thanks yifengchen-cc see #1419
libvips · Sep 3, 2019 · 2ab5aa7 · 2ab5aa7
1 parent 8ddbfba
commit 2ab5aa7
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/libvips/deprecated/im_vips2dz.c b/libvips/deprecated/im_vips2dz.c
@@ -75,6 +75,8 @@ im_vips2dz( IMAGE *in, const char *filename )
 		*p = '\0';
 		im_strncpy( mode, p + 1, FILENAME_MAX ); 
 	}
+	else 
+		strcpy( mode, "" ); 
 
 	strcpy( buf, mode ); 
 	p = &buf[0];