From da30764bce31efc4e9a228a3554f291215e2055d Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Thu, 20 Jun 2019 23:29:02 -0400
Subject: [PATCH] Change QPDFObjectHandle::pipeStreamData's encode_flags type

Change from unsigned long to int since we pass enumerated type values
to this field.
---
 include/qpdf/QPDFObjectHandle.hh | 2 +-
 libqpdf/QPDFObjectHandle.cc      | 4 ++--
 libqpdf/QPDF_Stream.cc           | 2 +-
 libqpdf/qpdf/QPDF_Stream.hh      | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/qpdf/QPDFObjectHandle.hh b/include/qpdf/QPDFObjectHandle.hh
index 0039f8ee..4ee0b5a0 100644
--- a/include/qpdf/QPDFObjectHandle.hh
+++ b/include/qpdf/QPDFObjectHandle.hh
@@ -736,7 +736,7 @@ class QPDFObjectHandle
     // operation will be retried without filtering to avoid data loss.
     QPDF_DLL
     bool pipeStreamData(Pipeline*,
-                        unsigned long encode_flags,
+                        int encode_flags,
                         qpdf_stream_decode_level_e decode_level,
                         bool suppress_warnings = false,
                         bool will_retry = false);
diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index b3f7daec..d182f9bf 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -1127,7 +1127,7 @@ QPDFObjectHandle::getRawStreamData()
 
 bool
 QPDFObjectHandle::pipeStreamData(Pipeline* p,
-                                 unsigned long encode_flags,
+                                 int encode_flags,
                                  qpdf_stream_decode_level_e decode_level,
                                  bool suppress_warnings, bool will_retry)
 {
@@ -1140,7 +1140,7 @@ bool
 QPDFObjectHandle::pipeStreamData(Pipeline* p, bool filter,
 				 bool normalize, bool compress)
 {
-    unsigned long encode_flags = 0;
+    int encode_flags = 0;
     qpdf_stream_decode_level_e decode_level = qpdf_dl_none;
     if (filter)
     {
diff --git a/libqpdf/QPDF_Stream.cc b/libqpdf/QPDF_Stream.cc
index 3ddb1498..8b904e1f 100644
--- a/libqpdf/QPDF_Stream.cc
+++ b/libqpdf/QPDF_Stream.cc
@@ -466,7 +466,7 @@ QPDF_Stream::filterable(std::vector<std::string>& filters,
 
 bool
 QPDF_Stream::pipeStreamData(Pipeline* pipeline,
-                            unsigned long encode_flags,
+                            int encode_flags,
                             qpdf_stream_decode_level_e decode_level,
                             bool suppress_warnings, bool will_retry)
 {
diff --git a/libqpdf/qpdf/QPDF_Stream.hh b/libqpdf/qpdf/QPDF_Stream.hh
index 647b600d..b6428cc9 100644
--- a/libqpdf/qpdf/QPDF_Stream.hh
+++ b/libqpdf/qpdf/QPDF_Stream.hh
@@ -32,7 +32,7 @@ class QPDF_Stream: public QPDFObject
 
     // See comments in QPDFObjectHandle.hh for these methods.
     bool pipeStreamData(Pipeline*,
-                        unsigned long encode_flags,
+                        int encode_flags,
                         qpdf_stream_decode_level_e decode_level,
                         bool suppress_warnings, bool will_retry);
     PointerHolder<Buffer> getStreamData(qpdf_stream_decode_level_e);