- Boost - lists.boost.org

GIL: Buffer overflow when reading tiffs
by Tilo Nitzsche 14 Dec '06

14 Dec '06

When reading RGBA tiffs, there is a buffer overflow happening in tiff_io.hpp. void apply(const View& view) { ... std::vector<pixel<typename View::channel_t, typename View::color_space_t::base>> row(view.width()); for (int y=0;y<view.height();++y) { io_error_if(TIFFReadScanline(_tp,&row.front(), y)!=1); std::copy(row.begin(),row.end(),view.row_begin(y)); } TIFFReadScanline() can return up to TIFFScanlineSize() bytes of data, in the case of RGBA images the scanline size is larger than the size of row resulting in a buffer overflow (it may happen in other cases as well). A quick fix for that would be to do a row.reserve(TIFFScanlineSize(_tp)); before the loop. \\ The RGBA images will come out corrupted anyway (since there is a mismatch in the number of channels), is there any plan for supporting them? Adding a new type to tiff_io.hpp like: template <> struct tiff_read_support_private<bits16,rgba_t> { BOOST_STATIC_CONSTANT(bool,is_supported=true); BOOST_STATIC_CONSTANT(int,bit_depth=16); BOOST_STATIC_CONSTANT(int,color_type=PHOTOMETRIC_RGB); }; will work fine for static image types. Of course, that won't do for dynamic types. -- Tilo ____________________________________________________________________________________ Any questions? Get answers on any topic at www.Answers.yahoo.com. Try it now.

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conversion operator to boost function
by Steven Watanabe 14 Dec '06

14 Dec '06

"Jeffrey Williams" wrote: > Hi all, > > The following code compiles on mingw (gcc 3.4.5) but not on VC++ 8.0 > express, and I am asking if anyone could tell me which compiler is right. > > Here is simple test case: > > struct caster > { > template<class T> operator boost::function<T>() const; > }; > > void func(boost::function<void(int)>) { } > > void foo() > { > func(caster()); > } > > > This compiles on mingw (it doesn't link obviously) but it won't even compile > on VC++ 8.0 express. I am assuming one or the other is incorrect (perhaps > they both are) so which is it? and also, is there a proper way to do that > conversion that would work on both compilers. doing a specific conversion > operator boost::function<void(int)> does work on both, but not the template. > > Jeff This doesn't compile because function also defines an implicit conversion. template<class F> function(const F&); The call is ambiguous. The conversion to boost::function<void(int)> works because it is more specialized. I can't think of a way to do this offhand. In Christ, Steven Watanabe

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Boost.MPI is in CVS
by Douglas Gregor 14 Dec '06

14 Dec '06

The Boost.MPI library is now available in Boost CVS. We are still working on some aspects of the library, addressing review comments, updating documentation, and ramping up testing. However, at this time the library is usable and should be relatively stable. Cheers, Doug

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Boost inspection notification (2006-12-14/RC_1_34_0) *X*
by Rene Rivera 14 Dec '06

14 Dec '06

Boost Inspection Report Run Date: 17:04:15 UTC, Thursday 14 December 2006 An inspection program <http://www.boost.org/tools/inspect/index.html> checks each file in the current Boost CVS for various problems, generating this as output. Problems detected include tabs in files, missing copyrights, broken URL's, and similar misdemeanors. Totals: 11423 files scanned 890 directories scanned (including root) 182 problems reported Problem counts: 0 files with invalid line endings 0 bookmarks with invalid characters 4 invalid urls 116 broken links 22 unlinked files 4 file/directory names issues 1 files with tabs 0 violations of the Boost min/max guidelines 35 usages of unnamed namespaces in headers (including .ipp files) Summary: archive (3) bind (1) boost-root (1) build (2) date_time (1) doc (3) filesystem (37) inspect (1) interprocess (1) iostreams (4) lambda (4) more (5) mpl (1) multi_array (2) numeric (1) parameter (2) program_options (1) ptr_container (1) python (10) regex (1) regression (14) serialization (1) signals (1) test (81) tuple (1) type_traits (1) utility (1) Details: *R* invalid (cr only) line-ending *A* invalid bookmarks, invalid urls, broken links, unlinked files *N* file/directory names issues *T* tabs in file *M* uses of min or max that have not been protected from the min/max macros, or unallowed #undef-s *U* unnamed namespace in header |archive| boost/archive/basic_streambuf_locale_saver.hpp: *N* name exceeds 31 characters boost/archive/impl/xml_wiarchive_impl.ipp: *U* unnamed namespace at line 53 boost/archive/iterators/remove_whitespace.hpp: *U* unnamed namespace at line 57 |bind| boost/bind/placeholders.hpp: *U* unnamed namespace at line 25 |boost-root| index.htm: *A* broken link: ../doc/html/signals.html |build| tools/build/v2/example/make/main.cpp.pro: *N* name contains more than one dot character ('.') tools/build/v2/test/test_system.html: *A* unlinked file |date_time| libs/date_time/xmldoc/date_time_docs_howto.html: *A* unlinked file |doc| doc/html/boost_math/inverse_complex.html: *A* unlinked file doc/html/jam.html: *A* unlinked file doc/html/jam/building.html: *A* unlinked file |filesystem| libs/filesystem/doc/do-list.htm: *A* invalid URL (hardwired file): file://?/ *A* invalid URL (hardwired file): file://?/UNC/ libs/filesystem/doc/i18n.html: *A* broken link: 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boost/lambda/exceptions.hpp: *U* unnamed namespace at line 24 libs/lambda/doc/index.html: *A* broken link: ../../LICENSE_1_0.txt |more| more/getting_started.html: *A* invalid URL (hardwired file): file:///home/dave/src/boost/libs/iostreams/doc/installation.html more/version_history.html: *A* broken link: ../tools/build/v1/intel-linux-tools.html *A* broken link: ../tools/build/v1/intel-win32-tools.html *A* broken link: ../tools/build/v1/msvc-stlport-tools.html |mpl| boost/mpl/alias.hpp: *U* unnamed namespace at line 17 |multi_array| boost/multi_array/base.hpp: *U* unnamed namespace at line 69 libs/multi_array/test/generative_tests.hpp: *U* unnamed namespace at line 57 |numeric| libs/numeric/conversion/index.html: *A* broken link: ../../LICENSE_1_0.txt |parameter| libs/parameter/doc/html/python.html: *A* broken link: tag::x(int *A* broken link: tag::y*(int |program_options| libs/program_options/doc/index.html: *A* broken link: ../.../../LICENSE_1_0.txt |ptr_container| 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|serialization| libs/serialization/src/basic_xml_grammar.ipp: *U* unnamed namespace at line 43 |signals| boost/signals/detail/named_slot_map.hpp: *T* |test| boost/test/floating_point_comparison.hpp: *U* unnamed namespace at line 206 *U* unnamed namespace at line 228 boost/test/impl/cpp_main.ipp: *U* unnamed namespace at line 42 boost/test/impl/exception_safety.ipp: *U* unnamed namespace at line 400 boost/test/impl/framework.ipp: *U* unnamed namespace at line 199 boost/test/impl/plain_report_formatter.ipp: *U* unnamed namespace at line 45 boost/test/impl/progress_monitor.ipp: *U* unnamed namespace at line 38 boost/test/impl/results_collector.ipp: *U* unnamed namespace at line 106 boost/test/impl/results_reporter.ipp: *U* unnamed namespace at line 48 boost/test/impl/unit_test_log.ipp: *U* unnamed namespace at line 79 boost/test/impl/unit_test_monitor.ipp: *U* unnamed namespace at line 35 boost/test/impl/unit_test_parameters.ipp: *U* unnamed namespace at line 50 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Boost inspection notification (2006-12-14/RC_1_34_0) *LC*
by Rene Rivera 14 Dec '06

14 Dec '06

Boost Inspection Report Run Date: 17:04:27 UTC, Thursday 14 December 2006 An inspection program <http://www.boost.org/tools/inspect/index.html> checks each file in the current Boost CVS for various problems, generating this as output. Problems detected include tabs in files, missing copyrights, broken URL's, and similar misdemeanors. Totals: 11423 files scanned 890 directories scanned (including root) 1027 problems reported Problem counts: 653 files missing Boost license info or having wrong reference text 374 files missing copyright notice Summary: any (1) archive (1) boost-root (1) build (58) concept_check (22) conversion (5) filesystem (2) function (1) graph (1) inspect (1) integer (9) iostreams (2) lambda (10) libs (6) logic (2) math (1) more (15) mpl (419) multi_array (13) numeric (198) optional (1) people (8) program_options (35) property_map (15) ptr_container (8) python (6) quickbook (11) rational (5) regex (4) regression (64) release (2) serialization (16) smart_ptr (8) test (5) timer (1) tokenizer (9) tr1 (2) tuple (5) utility (12) variant (42) Details: *L* missing Boost license info, or wrong reference text *C* missing copyright notice |any| libs/any/doc/ any.xml: *L* |archive| boost/archive/detail/ utf8_codecvt_facet.hpp: *L* |boost-root| / rst.css: *L* |build| tools/build/v2/build/ build-request.jam: *L* modifiers.jam: *L* tools/build/v2/doc/ Jamfile.v2: *C* *L* tools/build/v2/doc/src/ advanced.xml: *C* *L* architecture.xml: *C* *L* catalog.xml: *C* *L* extending.xml: *C* *L* faq.xml: *C* *L* howto.xml: *C* *L* install.xml: *C* *L* recipes.xml: *C* *L* reference.xml: *C* *L* standalone.xml: *C* *L* tutorial.xml: *C* *L* userman.xml: *C* *L* tools/build/v2/example/python_modules/ python_helpers.jam: *C* *L* python_helpers.py: *C* *L* tools/build/v2/test/ abs_workdir.py: *C* *L* dependency_property.py: *L* dependency_test.py: *C* *L* direct_request_test.py: *C* *L* dll_path.py: *L* double_loading.py: *L* duplicate.py: *L* echo_args.jam: *C* *L* empty.jam: *C* *L* expansion.py: *L* explicit.py: *L* gcc_runtime.py: *L* tools/build/v2/test/project-test3/lib3/ Jamfile: *C* *L* tools/build/v2/test/ readme.txt: *C* *L* svn_tree.py: *L* tag.py: *L* test_system.html: *L* tools/build/v2/tools/ sun.jam: *L* xsltproc.jam: *L* |concept_check| libs/concept_check/ bibliography.htm: *L* concept_check.htm: *L* concept_covering.htm: *L* creating_concepts.htm: *L* libs/concept_check/doc/ Jamfile.v2: *C* *L* libs/concept_check/doc/reference/ Assignable.xml: *L* BidirectionalIterator.xml: *L* CopyConstructible.xml: *L* DefaultConstructible.xml: *L* EqualityComparable.xml: *L* ForwardIterator.xml: *L* InputIterator.xml: *L* LessThanComparable.xml: *L* OutputIterator.xml: *L* RandomAccessIterator.xml: *L* SignedInteger.xml: *L* concepts.xml: *L* libs/concept_check/ implementation.htm: *L* prog_with_concepts.htm: *L* reference.htm: *L* using_concept_check.htm: *L* |conversion| libs/conversion/ cast.htm: *L* index.html: *C* *L* lexical_cast.htm: *L* libs/conversion/test/ Jamfile.v2: *L* |filesystem| libs/filesystem/doc/ tr2_proposal.html: *L* libs/filesystem/src/ utf8_codecvt_facet.hpp: *L* |function| boost/function/detail/ gen_maybe_include.pl: *L* |graph| libs/graph/doc/ lengauer_tarjan_dominator.htm: *L* |inspect| tools/inspect/build/ Jamfile.v2: *L* |integer| libs/integer/ cstdint.htm: *C* *L* libs/integer/doc/ integer_mask.html: *L* static_min_max.html: *L* libs/integer/ index.html: *C* *L* integer.htm: *L* integer_traits.html: *C* *L* |iostreams| libs/iostreams/doc/ menu.html: *C* libs/iostreams/test/detail/ utf8_codecvt_facet.hpp: *L* |lambda| libs/lambda/doc/ Jamfile.v2: *C* *L* libs/lambda/doc/detail/ README: *C* *L* lambda_doc.xsl: *C* *L* lambda_doc_chunks.xsl: *C* *L* libs/lambda/test/ Makefile: *C* *L* |libs| libs/ expected_results.xml: *C* *L* maintainers.txt: *C* *L* platform_maintainers.txt: *C* *L* |logic| libs/logic/doc/ Jamfile.v2: *C* *L* |math| boost/math/ common_factor_rt.hpp: *L* |more| more/ error_handling.html: *L* generic_exception_safety.html: *C* *L* generic_programming.html: *L* getting_started.html: *C* *L* getting_started.rst: *C* *L* moderators.html: *C* regression.html: *C* *L* report-apr-2006.html: *C* *L* report-jan-2006.html: *C* *L* |mpl| libs/mpl/doc/src/refmanual/ ASSERT.rst: *C* *L* ASSERT_MSG.rst: *C* *L* 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1 0

Boost regression notification (2006-12-14 [RC_1_34_0])
by Douglas Gregor 14 Dec '06

14 Dec '06

Boost Regression test failures Report time: 2006-12-14T13:54:52Z This report lists all regression test failures on release platforms. Detailed report: http://engineering.meta-comm.com/boost-regression/CVS-RC_1_34_0/developer/i… 7 failures in 5 libraries concept_check (2) iostreams (1) regex (1) test (2) utility (1) |concept_check| class_concept_fail_expected: borland-5.8.2 msvc-6.5 |iostreams| finite_state_filter_test: cw-9.4 |regex| regex_regress_threaded: msvc-6.5 |test| prg_exec_fail2: darwin-4.0.1 prg_exec_fail3: cw-9.4 |utility| operators_test: gcc-3.4.5_linux_x86_64

1 0

Re: [boost] UTF8 library - second call for informal review
by Nemanja Trifunovic 14 Dec '06

14 Dec '06

Anthony, Thanks for your comments. 1) The typo. Thanks, I'll fix it. 2) Bidirectional iterator. Actually, random iterators are required, which I think makes sense for string containers as I explained to Hervé 3) For the iterators and codecvt, please see my reply to Rogier. Best, Nemanja Trifunovic ----- Original Message ---- From: Anthony Williams <anthony_w.geo(a)yahoo.com> To: boost(a)lists.boost.org Sent: Wednesday, December 6, 2006 6:22:41 AM Subject: Re: [boost] UTF8 library - second call for informal review Nemanja Trifunovic <nemanja_trifunovic(a)yahoo.com> writes: > This is the second call for the informal review of the UTF8 library. It is > based on verson 1.02 of UTF8-CPP: http://utfcpp.sourceforge.net/ and you can > find it at > http://boost-consulting.com/vault/index.php?PHPSESSID=8j6irqkpv3reg5s1gv0lg… First, a typo: there is a missing 'n' in octet_differece_type defined in validate_next, on line 122. Secondly, a real issue: validate_next currently requires bidirectional iterators, in order to backtrack on error. Forward iterators are sufficient for this --- just store a copy of the original, and copy it back if there's an error. This would increase the number of use cases of the library. I agree that a converting iterator would be beneficial, as would a codecvt facet, but this is a good start. Anthony -- Anthony Williams Software Developer Just Software Solutions Ltd http://www.justsoftwaresolutions.co.uk _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost ____________________________________________________________________________________ Do you Yahoo!? Everyone is raving about the all-new Yahoo! Mail beta. http://new.mail.yahoo.com

3 5

customizing boost::function
by Theodore Witkamp 14 Dec '06

14 Dec '06

Hi, I would like to get some feedback on some changes that I would like to make to boost::function for my own use only and I figured that this would be the best place for it. I basically want to detect if there is a NULL "this" bound to a member function. I want to do this so that i can prevent dereferencing a NULL pointer when calling a member function. I hope the following code example will clarify. /////////////////////////////////////////////////////////////////////// // example code: /////////////////////////////////////////////////////////////////////// struct X { void f() { assert(this != NULL); } }; my_smart_ptr<X> sp_x = new X(); my_weak_ptr<X> wp_x = sp_x; boost::function0<void> _f = bind(&X::f,wp_x); assert(!_f.empty()); sp_x.reset(); // wp_x == NULL if(!_f.empty()) { _f(); // This will fail } //////////////////////////////////////////////////////////////////////// I can't use exceptions because the code size would be too great on my embedded arm platform. Therefore I would like to have a member of boost::function that would tell me if i could call the function. I was thinking empty() but that may not be a good choice. I am just looking for a little guidance and also any general feedback. Thanks -- Theodore Witkamp CTO RiffWare LLC 107 S Holliston Ave Apt 308 Pasadena, CA 91106 Mb. 626-372-0931

3 5

conversion operator to boost function
by Jeffrey Williams 13 Dec '06

13 Dec '06

Hi all, The following code compiles on mingw (gcc 3.4.5) but not on VC++ 8.0 express, and I am asking if anyone could tell me which compiler is right. Here is simple test case: struct caster { template<class T> operator boost::function<T>() const; }; void func(boost::function<void(int)>) { } void foo() { func(caster()); } This compiles on mingw (it doesn't link obviously) but it won't even compile on VC++ 8.0 express. I am assuming one or the other is incorrect (perhaps they both are) so which is it? and also, is there a proper way to do that conversion that would work on both compilers. doing a specific conversion operator boost::function<void(int)> does work on both, but not the template. Jeff

1 0

Re: [boost] [ANN] Boost.Time_series: feedback requested
by james.jones＠firstinvestors.com 13 Dec '06

13 Dec '06

From: "Matt Hurd" <matthurd(a)acm.org> > Not really. A clock is a sequence of times, a ptime for example. > Each value point in the series has a corresponding time point. > Sometimes referred to as the "valid start time" as this the time the > data becomes the truth from. Logically it is simply a sequence (Vs, > Data). > > If series have the same underlying clock you can just use index > operations freely which are fast. If they don't have the same > underlying clock you have to match based on time points. > > Your discretization say for daily data for stock data from 20 > different countries would invite trouble as the different clocks, due > to different holiday schedules, could not be mixed by index offsets > even though they were all daily. Similarly, for stocks at one > exchange, data points are missing due to suspensions and other > reasons, meaning clocks are often a little different. > > Without going to clocks you could simply call them a different > discretization in your scheme by assigning a different integer and > thus ensuring they don't mix. However you often wish to mix such > things. There's an important difference between *missing data* and *different sampling rates*. In the face of missing data (say, because of holidays or suspensions), but the same sampling rate (say, daily), you should be able to use the same indexes for all the data - some data will just be null-valued. Different application may handle nulls differently. For some, interpolation might be appropriate. But I had an application a while back in which nulls needed to be handled by *accumulating* values on the series that wasn't null until both series had values again. (This is particularly useful in portfolio performance measurement.) So interpolation certainly isn't *always* appropriate. Using discretization w/ interpolation makes sense when analyzing series with different sampling rates, but I'm not convinced that it does just because of nulls in one series. - James Jones Administrative Data Mgmt. Webmaster 375 Raritan Center Pkwy, Suite A Data Architect Edison, NJ 08837

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