From 5268f0280cd9d2f2f4880f01fb378a47e65aec35 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Tue, 31 Mar 2015 14:37:48 +0100
Subject: [PATCH] raw open allows larger offsets

offsets were sanity-checked at 100,000, remove this limit
---
 doc/gtk-doc.make        | 12 ++++--------
 libvips/iofuncs/image.c |  9 +--------
 2 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/doc/gtk-doc.make b/doc/gtk-doc.make
index 19ec2648..e7916563 100644
--- a/doc/gtk-doc.make
+++ b/doc/gtk-doc.make
@@ -25,7 +25,6 @@ TARGET_DIR=$(HTML_DIR)/$(DOC_MODULE)
 
 SETUP_FILES = \
 	$(content_files)		\
-	$(expand_content_files)		\
 	$(DOC_MAIN_SGML_FILE)		\
 	$(DOC_MODULE)-sections.txt	\
 	$(DOC_MODULE)-overrides.txt
@@ -87,7 +86,7 @@ GTK_DOC_V_SETUP_0=@echo "  DOC   Preparing build";
 
 setup-build.stamp:
 	-$(GTK_DOC_V_SETUP)if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
-	    files=`echo $(SETUP_FILES) $(DOC_MODULE).types`; \
+	    files=`echo $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types`; \
 	    if test "x$$files" != "x" ; then \
 	        for file in $$files ; do \
 	            destdir=`dirname $(abs_builddir)/$$file`; \
@@ -163,7 +162,7 @@ GTK_DOC_V_XREF=$(GTK_DOC_V_XREF_$(V))
 GTK_DOC_V_XREF_=$(GTK_DOC_V_XREF_$(AM_DEFAULT_VERBOSITY))
 GTK_DOC_V_XREF_0=@echo "  DOC   Fixing cross-references";
 
-html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) $(expand_content_files)
+html-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
 	$(GTK_DOC_V_HTML)rm -rf html && mkdir html && \
 	mkhtml_options=""; \
 	gtkdoc-mkhtml 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
@@ -195,7 +194,7 @@ GTK_DOC_V_PDF=$(GTK_DOC_V_PDF_$(V))
 GTK_DOC_V_PDF_=$(GTK_DOC_V_PDF_$(AM_DEFAULT_VERBOSITY))
 GTK_DOC_V_PDF_0=@echo "  DOC   Building PDF";
 
-pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files) $(expand_content_files)
+pdf-build.stamp: sgml.stamp $(DOC_MAIN_SGML_FILE) $(content_files)
 	$(GTK_DOC_V_PDF)rm -f $(DOC_MODULE).pdf && \
 	mkpdf_options=""; \
 	gtkdoc-mkpdf 2>&1 --help | grep  >/dev/null "\-\-verbose"; \
@@ -224,15 +223,12 @@ clean-local:
 	@if echo $(SCAN_OPTIONS) | grep -q "\-\-rebuild-types" ; then \
 	  rm -f $(DOC_MODULE).types; \
 	fi
-	@if echo $(SCAN_OPTIONS) | grep -q "\-\-rebuild-sections" ; then \
-	  rm -f $(DOC_MODULE)-sections.txt; \
-	fi
 
 distclean-local:
 	@rm -rf xml html $(REPORT_FILES) $(DOC_MODULE).pdf \
 	    $(DOC_MODULE)-decl-list.txt $(DOC_MODULE)-decl.txt
 	@if test "$(abs_srcdir)" != "$(abs_builddir)" ; then \
-	    rm -f $(SETUP_FILES) $(DOC_MODULE).types; \
+	    rm -f $(SETUP_FILES) $(expand_content_files) $(DOC_MODULE).types; \
 	fi
 
 maintainer-clean-local:
diff --git a/libvips/iofuncs/image.c b/libvips/iofuncs/image.c
index e6ed794f..8bfa2849 100644
--- a/libvips/iofuncs/image.c
+++ b/libvips/iofuncs/image.c
@@ -963,13 +963,6 @@ vips_image_build( VipsObject *object )
                 break;
 
 	case 'a':
-		/* Ban crazy numbers. 
-		 */
-		if( image->sizeof_header > 1000000 ) {
-			vips_error( "VipsImage", "%s", _( "bad parameters" ) );
-			return( -1 );
-		}
-
 		if( (image->fd = vips__open_image_read( filename )) == -1 ) 
 			return( -1 );
 		image->dtype = VIPS_IMAGE_OPENIN;
@@ -1227,7 +1220,7 @@ vips_image_class_init( VipsImageClass *class )
 		_( "Offset in bytes from start of file" ),
 		VIPS_ARGUMENT_SET_ONCE | VIPS_ARGUMENT_CONSTRUCT, 
 		G_STRUCT_OFFSET( VipsImage, sizeof_header ),
-		0, 1000000, VIPS_SIZEOF_HEADER );
+		0, 1000000000, VIPS_SIZEOF_HEADER );
 
 	VIPS_ARG_POINTER( class, "foreign_buffer", 17, 
 		_( "Foreign buffer" ),