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Author SHA1 Message Date
Thomas Braun d5c0d52f37 external_constructor<std::valarray>: Handle empty array properly 
Clang UBSAN complains with the following message when an empty std::valarray is passed in:

SUMMARY: UndefinedBehaviorSanitizer: undefined-behavior /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/valarray:571:14 in

2/2 Test #68: test-regression_all ..............***Failed    4.68 sec
/usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/valarray:571:14: runtime error: reference binding to null pointer of type 'const do
uble'
    #0 0x6fbe57 in std::valarray<double>::operator[](unsigned long) const /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/valarray:
571:7
    #1 0x6fbe57 in double const* std::begin<double>(std::valarray<double> const&) /usr/lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/v
alarray:1207
    #2 0x6fbe57 in void nlohmann::detail::external_constructor<(nlohmann::detail::value_t)2>::construct<nlohmann::basic_json<std::map, std::vector, s
td::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_seri
alizer>, double, 0>(nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool
, long, unsigned long, double, std::allocator, nlohmann::adl_serializer>&, std::valarray<double> const&) /home/firma/devel/json/include/nlohmann/deta
il/conversions/to_json.hpp:157
    #3 0x5e3fe3 in void nlohmann::detail::to_json<nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>
, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer>, double, 0>(nlohmann::basic_json<std::map, std
::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohman
n::adl_serializer>&, std::valarray<double> const&) /home/firma/devel/json/include/nlohmann/detail/conversions/to_json.hpp:270:5
    #4 0x5e3fe3 in decltype((to_json(fp, std::forward<std::valarray<double>&>(fp0))) , ((void)())) nlohmann::detail::to_json_fn::operator()<nlohmann:
:basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double
, std::allocator, nlohmann::adl_serializer>, std::valarray<double>&>(nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std
::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer>&, std::valarray<double>&) c
onst /home/firma/devel/json/include/nlohmann/detail/conversions/to_json.hpp:334
    #5 0x5e3fe3 in decltype((nlohmann::(anonymous namespace)::to_json(fp, std::forward<std::valarray<double>&>(fp0))) , ((void)())) nlohmann::adl_ser
ializer<std::valarray<double>, void>::to_json<nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, st
d::allocator<char> >, bool, long, unsigned long, double, std::allocator, nlohmann::adl_serializer>, std::valarray<double>&>(nlohmann::basic_json<std:
:map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool, long, unsigned long, double, std::allocator
, nlohmann::adl_serializer>&, std::valarray<double>&) /home/firma/devel/json/include/nlohmann/adl_serializer.hpp:45
    #6 0x5e3fe3 in nlohmann::basic_json<std::map, std::vector, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool,
 long, unsigned long, double, std::allocator, nlohmann::adl_serializer>::basic_json<std::valarray<double>&, std::valarray<double>, 0>(std::valarray<d
ouble>&) /home/firma/devel/json/include/nlohmann/json.hpp:1257
    #7 0x5e3fe3 in _DOCTEST_ANON_FUNC_2() /home/firma/devel/json/test/src/unit-regression.cpp:1377
    #8 0x77313e in doctest::Context::run() /home/firma/devel/json/test/thirdparty/doctest/doctest.h:5938:21
    #9 0x777ae0 in main /home/firma/devel/json/test/thirdparty/doctest/doctest.h:6016:71
    #10 0x7fae220532e0 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x202e0)
    #11 0x4a6479 in _start (/home/firma/devel/json/build/test/test-regression+0x4a6479)

The important thing to note here is that a std::valarray is *not* a STL
container, so the usual containter and iterator semantics don't apply.

Therefore we have to check if the container is non-empty before.
 2019-09-03 13:22:03 +02:00
Thomas Braun 61fe5f1eee input_buffer_adapter: Fix handling of nullptr input 
Clang UBSAN currently complains that the char * to input_buffer_adapter
is a nullptr.

Turns out it is actually required to accept nullptr, see for example
line 415 in input_adapters.hpp

  ...
  // the address of first cannot be used: use nullptr
  ia = std::make_shared<input_buffer_adapter>(nullptr, len);
  ....

Therefore we have to handle it gracefully here. We now also ignore the
length parameter l if b is a nullptr.
 2019-09-03 13:22:03 +02:00
Niels Lohmann 323cf95d8c
🚨 fix linter warning 2019-07-21 14:04:49 +02:00
Niels Lohmann cf8251eb54
🚑 fix compiler errors 2019-07-14 21:19:55 +02:00
Niels Lohmann a501365ea2
Merge branch 'feature/hedley' into develop 2019-07-14 20:58:08 +02:00
Niels Lohmann b17440c12f
🚨 fix compiler warnings 2019-07-12 21:05:16 +02:00
Niels Lohmann 104c5c1996
Merge branch 'feature/json_pointer_contains' into develop 2019-07-09 08:08:56 +02:00
Niels Lohmann 947656544d
🚨 fix warnings 2019-07-02 21:06:42 +02:00
Niels Lohmann 346e9813c5
🚧 add more annotations 2019-07-02 20:25:51 +02:00
Niels Lohmann 90798caa62
🚚 rename Hedley macros 2019-07-01 22:37:30 +02:00
Niels Lohmann 897362191d
🔨 add NLOHMANN_JSON prefix and undef macros 2019-07-01 22:24:39 +02:00
Niels Lohmann 1720bfedd1
⚗️ add Hedley annotations 2019-06-30 22:14:02 +02:00
Niels Lohmann 258fa798f1
✨ add contains function for JSON pointers 2019-06-30 10:03:08 +02:00
Isaac Nickaein 3db14cbfae 📝 Improve doc on const_inter constructor 2019-06-24 15:40:01 +04:30
Isaac Nickaein 798e83a038 Workaround msvc2015 bug with explicit copy-constructor for const_iterator 2019-06-22 21:15:11 +04:30
Théo DELRIEU e6e6805c6c
add built-in array support in get_to 2019-04-01 17:47:45 +02:00
Théo DELRIEU 2806b201a8
make sure values are overwritten in from_json overloads 
Caused unexpected behaviors when using get_to with values previously
set.

Fixes !1511
 2019-04-01 17:47:42 +02:00
Niels Lohmann b52c3638f5
Merge pull request #1551 from heavywatal/fix-1535-nodiscard-clang 
Remove C++17 extension warning from clang; #1535
 2019-03-29 09:14:25 +01:00
Niels Lohmann d21d298397
🎨 fixed indentation 2019-03-28 14:23:26 +01:00
Watal M. Iwasaki 5ccdaf643f Remove C++17 extension warning from clang; #1535 
- Switch off `nodiscard` for clang unless C++17 is detected.
- Detect C++ standard before the switch.
 2019-03-28 14:38:58 +09:00
Niels Lohmann 9d6ab9014f
🏁 fixed a compilation error in MSVC #1531 2019-03-20 14:13:29 +01:00
Niels Lohmann 7c55510f76
🚨 fixed some warnings #1527 2019-03-20 11:06:39 +01:00
Niels Lohmann 002addabd8
🚨 fixed a warning 2019-03-19 23:10:21 +01:00
Niels Lohmann e07e8e7912
📝 updated documentation 2019-03-19 15:40:23 +01:00
Niels Lohmann 710f26f95c
📝 added documentation 2019-03-19 10:06:35 +01:00
Niels Lohmann b224c52376
🎨 cleanup 2019-03-19 09:17:14 +01:00
Niels Lohmann 37a72dac48
💚 forgot two semicolons 2019-03-18 17:23:34 +01:00
Niels Lohmann 8d3f4f21bc
🔨 clean up 2019-03-18 13:53:48 +01:00
Niels Lohmann 22c733e6fe
📝 added documentation 2019-03-17 22:25:18 +01:00
Niels Lohmann 56f6d1d68e
💚 fix CI and #1521 2019-03-17 15:20:22 +01:00
Niels Lohmann b8451c236f
🚨 fixed warnings 2019-03-17 12:01:49 +01:00
Niels Lohmann 34f8b4f711
🚨 fixed more warnings 2019-03-17 00:27:44 +01:00
Niels Lohmann b02ee16721
🚨 fixed warnings 2019-03-15 15:55:52 +01:00
Niels Lohmann 8d6c033f80
Merge branch 'develop' of https://github.com/nlohmann/json into develop 2019-03-15 14:55:15 +01:00
Niels Lohmann 27011e3718
🚨 fixed warnings 2019-03-15 14:55:13 +01:00
Ferenc Nasztanovics 0067ea8f9e Change macros to numeric_limits #1483 2019-03-13 23:44:34 +01:00
Niels Lohmann 0c65ba960e
Merge branch 'develop' of https://github.com/nlohmann/json into develop 2019-03-13 22:14:57 +01:00
Niels Lohmann 546e2cbf5e
🚨 fixed some warnings 2019-03-13 22:14:53 +01:00
Niels Lohmann c6fc902184
Merge pull request #1489 from andreas-schwab/develop 
Do proper endian conversions
 2019-03-13 11:57:58 +01:00
Niels Lohmann c983b67112
Merge pull request #1469 from garethsb-sony/json_pointer-append 
Add operator/= and operator/ to construct a JSON pointer by appending two JSON pointers
 2019-03-11 22:47:08 +01:00
Niels Lohmann 3cd1dac653
🚨 fix MSVC warning #1502 2019-03-11 15:33:23 +01:00
Niels Lohmann 5047c7a217
🐛 added missing include #1500 2019-03-10 22:26:57 +01:00
Andreas Schwab bb22b1003f Do proper endian conversions 
This fixes all testsuite failures on big endian hosts.
 2019-02-25 12:09:13 +01:00
garethsb-sony 08de9eeaca Add json_pointer::parent_pointer (cf. std::filesystem::path::parent_path) 2019-02-25 09:26:08 +00:00
garethsb-sony 164e0e54d9 Rename private json_pointer::is_root as public json_pointer::empty for consistency with std::filesystem::path 2019-02-25 09:26:07 +00:00
garethsb-sony c850e9d82d Add operator/= and operator/ to construct a JSON pointer by appending two JSON pointers, as well as convenience op/= and op= to append a single unescaped token or array index; inspired by std::filesystem::path 2019-01-31 19:15:50 +00:00
past-due 45819dce54 Disable -Wmismatched-tags warning on tuple_size / tuple_element 2019-01-30 12:59:50 -05:00
Patrick Boettcher a06e7f5d80 JSON-pointer: add operator+() returning a new json_pointer 2019-01-24 16:46:51 +01:00
Niels Lohmann e89c946451
Merge branch 'feature/nodiscard' into develop 2019-01-20 15:41:30 +01:00
Niels Lohmann 6de4df23e4
🐛 fixed integer overflow in dump function #1447 
Closes #1447.
 2019-01-20 12:26:01 +01:00