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2020-12-20Provide qpdf write progress reporting from C API (fixes #487)Jay Berkenbilt
2020-11-29Add QPDFObjectHandle manipulation to C APIJay Berkenbilt
2020-04-03C API: accept any non-zero value as TRUEJay Berkenbilt
2019-06-22In shippable code, favor smart pointers (fixes #235)Jay Berkenbilt
Use PointerHolder in several places where manually memory allocation and deallocation were being used. This helps to protect against memory leaks when exceptions are thrown in surprising places.
2019-06-21Remove implicit conversion from int/pointer to boolJay Berkenbilt
This fixes cases of warning C4800 from msvc
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.
2019-01-17Modernize encryption API for more granularityJay Berkenbilt
Setting encryption permissions for R >= 3 set permission bits in groups corresponding to menu options in Acrobat 5. The new API allows the bits to be set individually.
2018-02-19Add C API for checking PDF filesJay Berkenbilt
2017-09-12Update C API with new QPDFWriter methodsJay Berkenbilt
2017-07-28Convert stream filtering errors to warningsJay Berkenbilt
2017-07-28Convert object parsing errors to warningsJay Berkenbilt
QPDFObjectHandle::parseInternal now issues warnings instead of throwing exceptions for all error conditions that it finds (except internal logic errors) and has stronger recovery for things like invalid tokens and malformed dictionaries. This should improve qpdf's ability to recover from a wide range of broken files that currently cause it to fail.
2015-10-31Implement deterministic IDJay Berkenbilt
For non-encrypted files, determinstic ID generation uses file contents instead of timestamp and file name. At a small runtime cost, this enables generation of the same /ID if the same inputs are converted in the same way multiple times.
2012-12-31Update "C" API with functions for new featuresJay Berkenbilt
2012-06-24Fix and test support for files >= 4 GBJay Berkenbilt
2012-06-22Switch some code to use empty newArray/newDictionaryJay Berkenbilt
2012-06-20ABI change: fix use of off_t, size_t, and integer typesJay Berkenbilt
Significantly improve the code's use of off_t for file offsets, size_t for memory sizes, and integer types in cases where there has to be compatibility with external interfaces. Rework sections of the code that would have prevented qpdf from working on files larger than 2 (or maybe 4) GB in size.
2011-08-11enhance PointerHolder so that it can explicitly be told to use delete [] ↵Jay Berkenbilt
instead of delete, thus making it useful to run valgrind over qpdf during its test suite
2011-08-11qpdf_set_info_key, qpdf_get_info_keyJay Berkenbilt
2010-10-04add qpdf_read_memory to C APIJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@1044 71b93d88-0707-0410-a8cf-f5a4172ac649
2010-09-24update code to new PointerHolder, and reintroduce change that was ↵Jay Berkenbilt
accidentally backed out git-svn-id: svn+q:///qpdf/trunk@1031 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-24add C interface for getting software versionJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@903 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-23more tweaking of C error interfaceJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@894 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-23improve C error handling interfaceJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@884 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-20remove off_t from C APIJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@846 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-20staticJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@835 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-20fix bug in C API, test invalid password specificallyJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@832 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-20checkpointJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@831 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-20update C API for error retrievalJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@830 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-19DLL.hh -> DLL.h, move public enumerated types into Constants.h and use them ↵Jay Berkenbilt
both for C and C++ interfaces git-svn-id: svn+q:///qpdf/trunk@828 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-10-19add C API for R4 encryptionJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@825 71b93d88-0707-0410-a8cf-f5a4172ac649
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
2009-10-05Implement changes suggested by Zarko and our subsequent conversations:Jay Berkenbilt
- Add a way to set the minimum PDF version - Add a way to force the PDF version - Have isEncrypted return true if an /Encrypt dictionary exists even when we can't read the file - Allow qpdf_init_write to be called multiple times - Update some comments in headers git-svn-id: svn+q:///qpdf/trunk@748 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-27finished testing C APIJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@734 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-27add methods for getting encryption dataJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@733 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-27add many new tests to exercise C apiJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@727 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-27basic implementation of C APIJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@725 71b93d88-0707-0410-a8cf-f5a4172ac649
2009-09-27checkpoint -- first crack at C API, minor refactoring of encryption functionsJay Berkenbilt
git-svn-id: svn+q:///qpdf/trunk@720 71b93d88-0707-0410-a8cf-f5a4172ac649
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