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2019-06-22Add missing #include <cstring>Jay Berkenbilt
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.
2019-03-12Undefined functions because of missing std:: or header. (#295)Thorsten Schöning
* [bcc32 Error] QPDF.cc(375): E2268 Call to undefined function 'atof' Full parser context QPDF.cc(358): parsing: void QPDF::parse(const char *) * [bcc32 Error] QPDFTokenizer.cc(183): E2268 Call to undefined function 'strtol' Full parser context QPDFTokenizer.cc(163): parsing: void QPDFTokenizer::resolveLiteral() * [bcc32 Error] pdf-split-pages.cc(52): E2268 Call to undefined function 'exit' Full parser context pdf-split-pages.cc(50): parsing: void usage() * PR #295: Including "cstdlib" should be replaced with "stdlib.h" to be more consistent. At the same time I changed the order of the surrounding includes to reflect alphabetical order, because at some files this already have been the case.
2018-08-13Catch exceptions as const references (fixes #236)Jay Berkenbilt
This fix allows qpdf to compile/test cleanly with gcc 8.
2018-06-21Convert examples to use new page helper classesJay Berkenbilt
2017-08-05Add --split-pages option (fixes #30)Jay Berkenbilt
2017-07-30Fix command-line checking in pdf-split-pages exampleJay Berkenbilt
2015-11-01Comment use of static ID in examplesJay Berkenbilt
Make sure people know that static ID should be used only for testing.
2014-06-07Example: fast split into single pagesJay Berkenbilt
This is faster than using qpdf --pages to do it.