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2019-06-21Fix sign and conversion warnings (major)Jay Berkenbilt
This makes all integer type conversions that have potential data loss explicit with calls that do range checks and raise an exception. After this commit, qpdf builds with no warnings when -Wsign-conversion -Wconversion is used with gcc or clang or when -W3 -Wd4800 is used with MSVC. This significantly reduces the likelihood of potential crashes from bogus integer values. There are some parts of the code that take int when they should take size_t or an offset. Such places would make qpdf not support files with more than 2^31 of something that usually wouldn't be so large. In the event that such a file shows up and is valid, at least qpdf would raise an error in the right spot so the issue could be legitimately addressed rather than failing in some weird way because of a silent overflow condition.
2018-01-14Add signed support to BitStream and BitWriterJay Berkenbilt
2013-10-10Security: fix potential multiplication overflowJay Berkenbilt
Better sanity check inputs to bit stream reader
2012-06-24Fix and test support for files >= 4 GBJay Berkenbilt
2009-10-12do DLL_EXPORT only in header files and only at the class or top-level ↵Jay Berkenbilt
function level git-svn-id: svn+q:///qpdf/trunk@796 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-26removed qexc; non-compatible ABI changeJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@709 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-26include DLL.hhJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@698 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-26more dll exportsJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@697 71b93d88-0707-0410-a8cf-f5a4172ac649
2008-04-29update release date to actual daterelease-qpdf-2.0Jay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@599 71b93d88-0707-0410-a8cf-f5a4172ac649