CI coverage fixes (5)

Added an option to use libc backtrace function from execinfo.h

.travis.yml

@@ -2,7 +2,7 @@
 # subject to the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 #
-# Copyright Antony Polukhin 2014-2018.
+# Copyright Antony Polukhin 2014-2019.
 
 #
 # See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file
@@ -28,7 +28,8 @@ env:
 
         # Files, which coverage results must be ignored (files from other projects).
         # Example: - IGNORE_COVERAGE='*/boost/progress.hpp */filesystem/src/*'
-        - IGNORE_COVERAGE='*/numeric/conversion/converter_policies.hpp */boost/progress.hpp */filesystem/src/* */libs/timer/src/* */thread/src/* */pthread/once_atomic.cpp */src/pthread/thread.cpp */thread/src/future.cpp */boost/operators.hpp'
+        #- IGNORE_COVERAGE="'*/filesystem/*' '*/libs/timer/src/*' '*/thread/*'"
+        - IGNORE_COVERAGE=''
 
         # Explicitly remove the following library from Boost. This may be usefull, if you're for example running Travis
         # from `Boost.DLL` repo, while Boost already has `dll`.
@@ -39,11 +40,11 @@ env:
 
     matrix:
         # Note that "--coverage -fsanitize=address,leak,undefined -DBOOST_TRAVISCI_BUILD" are added automatically lower in code
-        - CXX_FLAGS="-std=c++98" LINK_FLAGS="" TOOLSET=gcc-6
-        - CXX_FLAGS="-std=c++11" LINK_FLAGS="" TOOLSET=gcc-6
-        - CXX_FLAGS="-std=c++1y" LINK_FLAGS="" TOOLSET=gcc-6
-        - CXX_FLAGS="-std=c++11 -O0" LINK_FLAGS="" TOOLSET=gcc-6
-        - CXX_FLAGS="-std=c++11 -O1" LINK_FLAGS="" TOOLSET=gcc-6
+        - CXX_FLAGS="-std=c++98" LINK_FLAGS="" TOOLSET=gcc-8
+        - CXX_FLAGS="-std=c++11" LINK_FLAGS="" TOOLSET=gcc-8
+        - CXX_FLAGS="-std=c++1y" LINK_FLAGS="" TOOLSET=gcc-8
+        - CXX_FLAGS="-std=c++11 -O0" LINK_FLAGS="" TOOLSET=gcc-8
+        - CXX_FLAGS="-std=c++11 -O1" LINK_FLAGS="" TOOLSET=gcc-8
         #- CXX_FLAGS="-std=c++11 -stdlib=libc++" LINK_FLAGS="-stdlib=libc++" TOOLSET=clang
         #- CXX_FLAGS="-std=c++1y -stdlib=libc++" LINK_FLAGS="-stdlib=libc++" TOOLSET=clang
 
@@ -61,10 +62,11 @@ addons:
     packages:
     - git
     - python-yaml
-    - gcc-6
-    - g++-6
+    - gcc-8
+    - g++-8
     - clang
     - libc++-dev
+    - binutils-gold
 
 before_install:
     # Set this to the name of the library
@@ -90,8 +92,8 @@ before_install:
 
 script:
     # `--coverage` flags required to generate coverage info for Coveralls
-    - ../../../b2 -a "testing.launcher=LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.3 " address-model=64 architecture=x86 toolset=$TOOLSET cxxflags="--coverage -fsanitize=address,undefined -DBOOST_TRAVISCI_BUILD $CXX_FLAGS" linkflags="$LINK_FLAGS --coverage -lasan -lubsan"
-    - ../../../b2 -a address-model=64 architecture=x86 toolset=$TOOLSET cxxflags="-fsanitize=thread -DBOOST_TRAVISCI_BUILD $CXX_FLAGS" linkflags="$LINK_FLAGS -ltsan"
+    - ../../../b2 -a "testing.launcher=LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libasan.so.5 " address-model=64 architecture=x86 toolset=$TOOLSET cxxflags="--coverage -fsanitize=address,undefined -DBOOST_TRAVISCI_BUILD $CXX_FLAGS" linkflags="$LINK_FLAGS --coverage -lasan -lubsan"
+    - ../../../b2 -a address-model=64 architecture=x86 thread-sanitizer=norecover toolset=$TOOLSET cxxflags="-DBOOST_TRAVISCI_BUILD $CXX_FLAGS" linkflags="$LINK_FLAGS -fuse-ld=gold"
 
 after_success:
     # Copying Coveralls data to a separate folder
@@ -100,9 +102,9 @@ after_success:
     - find ../../../bin.v2/ -name "*.gcno" -exec cp "{}" $TRAVIS_BUILD_DIR/coverals/ \;
     - find ../../../bin.v2/ -name "*.da" -exec cp "{}" $TRAVIS_BUILD_DIR/coverals/ \;
     - find ../../../bin.v2/ -name "*.no" -exec cp "{}" $TRAVIS_BUILD_DIR/coverals/ \;
-    - wget https://github.com/linux-test-project/lcov/archive/v1.12.zip
-    - unzip v1.12.zip
-    - LCOV="`pwd`/lcov-1.12/bin/lcov --gcov-tool gcov-6"
+    - wget https://github.com/linux-test-project/lcov/archive/v1.14.zip
+    - unzip v1.14.zip
+    - LCOV="`pwd`/lcov-1.14/bin/lcov --gcov-tool gcov-8"
 
     # Preparing Coveralls data by changind data format to a readable one
     - echo "$LCOV --directory $TRAVIS_BUILD_DIR/coverals --base-directory `pwd` --capture --output-file $TRAVIS_BUILD_DIR/coverals/coverage.info"
@@ -113,7 +115,7 @@ after_success:
     - $LCOV --remove $TRAVIS_BUILD_DIR/coverals/coverage.info "/usr*" "*/$PROJECT_TO_TEST/test/*" $IGNORE_COVERAGE "*/$PROJECT_TO_TEST/tests/*" "*/$PROJECT_TO_TEST/examples/*" "*/$PROJECT_TO_TEST/example/*" -o $TRAVIS_BUILD_DIR/coverals/coverage.info
 
     # ... erasing data that is not related to this project directly
-    - OTHER_LIBS=`grep "submodule .*" .gitmodules | sed 's/\[submodule\ "\(.*\)"\]/"\*\/boost\/\1\.hpp" "\*\/boost\/\1\/\*"/g'| sed "/\"\*\/boost\/$PROJECT_TO_TEST\/\*\"/d" | sed ':a;N;$!ba;s/\n/ /g'`
+    - OTHER_LIBS=`grep "submodule .*" .gitmodules | sed 's/\[submodule\ "\(.*\)"\]/"\*\/boost\/\1\.hpp" "\*\/libs\/\1\/\*" "\*\/boost\/\1\/\*"/g'| sed "/\"\*\/$PROJECT_TO_TEST\/\*\"/d" | sed ':a;N;$!ba;s/\n/ /g'`
     - echo $OTHER_LIBS
     - eval "$LCOV --remove $TRAVIS_BUILD_DIR/coverals/coverage.info $OTHER_LIBS -o $TRAVIS_BUILD_DIR/coverals/coverage.info"
 

build/Jamfile.v2

@@ -1,4 +1,4 @@
-#  Copyright (C) 2016-2018, Antony Polukhin.
+#  Copyright (C) 2016-2019, Antony Polukhin.
 #
 # Use, modification and distribution is subject to the Boost Software License,
 # Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

build/has_addr2line.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

build/has_backtrace.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

build/has_windbg.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

build/has_windbg_cached.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

doc/Jamfile.v2

@@ -1,4 +1,4 @@
-# Copyright Antony Polukhin 2016-2018.
+# Copyright Antony Polukhin 2016-2019.
 # Use, modification, and distribution are
 # subject to the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

doc/stacktrace.qbk

@@ -2,7 +2,7 @@
     [quickbook 1.6]
     [version 1.0]
     [id stacktrace]
-    [copyright 2016-2018 Antony Polukhin]
+    [copyright 2016-2019 Antony Polukhin]
     [category Language Features Emulation]
     [license
         Distributed under the Boost Software License, Version 1.0.

example/assert_handler.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

example/debug_function.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

example/terminate_handler.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

example/throwing_st.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -35,7 +35,7 @@ BOOST_NOINLINE void oops(int i) {
     if (i >= 4)
         throw_with_trace(std::out_of_range("'i' must be less than 4 in oops()"));
     if (i <= 0)
-        throw_with_trace(std::logic_error("'i' must not be greater than zero in oops()"));
+        throw_with_trace(std::logic_error("'i' must be greater than zero in oops()"));
     //]
     foo(i);
     std::exit(1);

example/trace_addresses.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

example/user_config.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

example/user_config.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/addr2line_impls.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/collect_msvc.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/collect_noop.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/collect_unwind.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -14,7 +14,19 @@
 
 #include <boost/stacktrace/safe_dump_to.hpp>
 
+// On iOS 32-bit ARM architecture _Unwind_Backtrace function doesn't exist, symbol is undefined.
+// Forcing libc backtrace() function usage.
+#include <boost/predef.h>
+#if defined(BOOST_OS_IOS_AVAILABLE) && defined(BOOST_ARCH_ARM_AVAILABLE) && BOOST_VERSION_NUMBER_MAJOR(BOOST_ARCH_ARM) < 8
+#define BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION
+#endif
+
+#if defined(BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION)
+#include <execinfo.h>
+#include <algorithm>
+#else
 #include <unwind.h>
+#endif
 #include <cstdio>
 
 #if !defined(_GNU_SOURCE) && !defined(BOOST_STACKTRACE_GNU_SOURCE_NOT_REQUIRED) && !defined(BOOST_WINDOWS)
@@ -23,6 +35,7 @@
 
 namespace boost { namespace stacktrace { namespace detail {
 
+#if !defined(BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION)
 struct unwind_state {
     std::size_t frames_to_skip;
     native_frame_ptr_t* current;
@@ -48,16 +61,35 @@ inline _Unwind_Reason_Code unwind_callback(::_Unwind_Context* context, void* arg
     }
     return ::_URC_NO_REASON;
 }
+#endif //!defined(BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION)
 
 std::size_t this_thread_frames::collect(native_frame_ptr_t* out_frames, std::size_t max_frames_count, std::size_t skip) BOOST_NOEXCEPT {
     std::size_t frames_count = 0;
     if (!max_frames_count) {
         return frames_count;
     }
+    skip += 1;
 
-    boost::stacktrace::detail::unwind_state state = { skip + 1, out_frames, out_frames + max_frames_count };
+#if defined(BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION)
+    // According to https://opensource.apple.com/source/Libc/Libc-1272.200.26/gen/backtrace.c.auto.html
+    // it looks like the `::backtrace` is async signal safe.
+    frames_count = static_cast<size_t>(::backtrace(const_cast<void **>(out_frames), static_cast<int>(max_frames_count)));
+
+    // NOTE: There is no way to pass "skip" count to backtrace function so we need to perform left shift operation.
+    // If number of elements in result backtrace is >= max_frames_count then "skip" elements are wasted.
+    if (frames_count && skip) {
+    	if (skip >= frames_count) {
+    		frames_count = 0;
+    	} else {
+    		std::copy(out_frames + skip, out_frames + frames_count, out_frames);
+    		frames_count -= skip;
+    	}
+    }
+#else
+    boost::stacktrace::detail::unwind_state state = { skip, out_frames, out_frames + max_frames_count };
     ::_Unwind_Backtrace(&boost::stacktrace::detail::unwind_callback, &state);
     frames_count = state.current - out_frames;
+#endif //defined(BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION)
 
     if (frames_count && out_frames[frames_count - 1] == 0) {
         -- frames_count;
@@ -69,4 +101,6 @@ std::size_t this_thread_frames::collect(native_frame_ptr_t* out_frames, std::siz
 
 }}} // namespace boost::stacktrace::detail
 
+#undef BOOST_STACKTRACE_USE_LIBC_BACKTRACE_FUNCTION
+
 #endif // BOOST_STACKTRACE_DETAIL_COLLECT_UNWIND_IPP

include/boost/stacktrace/detail/frame_decl.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/frame_msvc.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -98,7 +98,7 @@ public:
 };
 
 
-static std::string mingw_demangling_workaround(const std::string& s) {
+inline std::string mingw_demangling_workaround(const std::string& s) {
 #ifdef BOOST_GCC
     if (s.empty()) {
         return s;
@@ -114,6 +114,12 @@ static std::string mingw_demangling_workaround(const std::string& s) {
 #endif
 }
 
+inline void trim_right_zeroes(std::string& s) {
+    while (s.back() == '\0') {
+        s.pop_back();
+    }
+}
+
 class debugging_symbols: boost::noncopyable {
     static void try_init_com(com_holder< ::IDebugSymbols>& idebug, const com_global_initer& com) BOOST_NOEXCEPT {
         com_holder< ::IDebugClient> iclient(com);
@@ -217,6 +223,7 @@ public:
                 &size,
                 0
             ));
+            trim_right_zeroes(result);
         } else if (res) {
             result = name;
         }
@@ -301,6 +308,7 @@ public:
             &size,
             0
         ));
+        trim_right_zeroes(result.first);
         result.second = line_num;
 
         if (!res) {

include/boost/stacktrace/detail/frame_noop.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/frame_unwind.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -59,6 +59,9 @@ public:
 
 std::string to_string(const frame* frames, std::size_t size) {
     std::string res;
+    if (size == 0) {
+        return res;
+    }
     res.reserve(64 * size);
 
     to_string_impl impl;
@@ -82,6 +85,10 @@ std::string to_string(const frame* frames, std::size_t size) {
 
 
 std::string frame::name() const {
+    if (!addr_) {
+        return std::string();
+    }
+
 #if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__)
     ::Dl_info dli;
     const bool dl_ok = !!::dladdr(const_cast<void*>(addr_), &dli); // `dladdr` on Solaris accepts nonconst addresses
@@ -93,6 +100,10 @@ std::string frame::name() const {
 }
 
 std::string to_string(const frame& f) {
+    if (!f) {
+        return std::string();
+    }
+
     boost::stacktrace::detail::to_string_impl impl;
     return impl(f.address());
 }

include/boost/stacktrace/detail/libbacktrace_impls.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -195,6 +195,10 @@ inline std::string name_impl(const void* addr) {
 std::string frame::source_file() const {
     std::string res;
 
+    if (!addr_) {
+        return res;
+    }
+
     boost::stacktrace::detail::program_location prog_location;
     ::backtrace_state* state = boost::stacktrace::detail::construct_state(prog_location);
 
@@ -213,6 +217,10 @@ std::string frame::source_file() const {
 }
 
 std::size_t frame::source_line() const {
+    if (!addr_) {
+        return 0;
+    }
+
     boost::stacktrace::detail::program_location prog_location;
     ::backtrace_state* state = boost::stacktrace::detail::construct_state(prog_location);
 

include/boost/stacktrace/detail/location_from_symbol.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/pop_options.h

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/push_options.h

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/safe_dump_noop.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/safe_dump_posix.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/safe_dump_win.ipp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/to_dec_array.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -31,7 +31,7 @@ inline boost::array<char, 40> to_dec_array(std::size_t value) BOOST_NOEXCEPT {
     }
 
     for (std::size_t i = 1; i <= digits; ++i) {
-        ret[digits - i] = '0' + (value % 10);
+        ret[digits - i] = static_cast<char>('0' + (value % 10));
         value /= 10;
     }
 

include/boost/stacktrace/detail/to_hex_array.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/try_dec_convert.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/unwind_base_impls.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/detail/void_ptr_cast.hpp

@@ -1,5 +1,5 @@
 // Copyright 2014 Renato Tegon Forti, Antony Polukhin.
-// Copyright 2015-2018 Antony Polukhin.
+// Copyright 2015-2019 Antony Polukhin.
 //
 // Distributed under the Boost Software License, Version 1.0.
 // (See accompanying file LICENSE_1_0.txt

include/boost/stacktrace/frame.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/safe_dump_to.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/stacktrace.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

include/boost/stacktrace/stacktrace_fwd.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

index.html

@@ -1,6 +1,6 @@
 <!DOCTYPE html>
 <!--
- Copyright (c) 2014-2018 Antony Polukhin
+ Copyright (c) 2014-2019 Antony Polukhin
  antoshkka at gmail dot com
 
  Distributed under the Boost Software License,
@@ -29,7 +29,7 @@
     <a href="../../doc/html/stacktrace.html">../../doc/html/stacktrace.html</a>
   </p>
   <p>
-    &copy; 2014-2018 Antony Polukhin
+    &copy; 2014-2019 Antony Polukhin
   </p>
 </body>
 </html>

src/addr2line.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

src/backtrace.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

src/basic.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

src/noop.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

src/windbg.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

src/windbg_cached.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

test/Jamfile.v2

@@ -1,4 +1,4 @@
-#  Copyright (C) 2016-2018, Antony Polukhin.
+#  Copyright (C) 2016-2019, Antony Polukhin.
 #
 # Use, modification and distribution is subject to the Boost Software License,
 # Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at

test/appveyor.yml

@@ -2,7 +2,7 @@
 # subject to the Boost Software License, Version 1.0. (See accompanying
 # file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 #
-# Copyright Antony Polukhin 2016-2018.
+# Copyright Antony Polukhin 2016-2019.
 
 #
 # See https://svn.boost.org/trac/boost/wiki/TravisCoverals for description of this file

test/test.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at
@@ -10,6 +10,8 @@
 #include <stdexcept>
 #include <iostream>
 #include <sstream>
+#include <cctype>
+
 #include <boost/core/lightweight_test.hpp>
 
 #include <boost/functional/hash.hpp>
@@ -45,6 +47,25 @@ void test_deeply_nested_namespaces() {
     BOOST_TEST(ns1 != return_from_nested_namespaces()); // Different addresses in test_deeply_nested_namespaces() function
 }
 
+std::size_t count_unprintable_chars(const std::string& s) {
+    std::size_t result = 0;
+    for (std::size_t i = 0; i < s.size(); ++i) {
+        result += (std::isprint(s[i]) ? 0 : 1);
+    }
+
+    return result;
+}
+
+void test_frames_string_data_validity() {
+    stacktrace trace = return_from_nested_namespaces();
+    for (std::size_t i = 0; i < trace.size(); ++i) {
+        BOOST_TEST_EQ(count_unprintable_chars(trace[i].source_file()), 0);
+        BOOST_TEST_EQ(count_unprintable_chars(trace[i].name()), 0);
+    }
+
+    BOOST_TEST(to_string(trace).find('\0') == std::string::npos);
+}
+
 // Template parameter Depth is to produce different functions on each Depth. This simplifies debugging when one of the tests catches error
 template <std::size_t Depth>
 void test_nested(bool print = true) {
@@ -79,8 +100,6 @@ void test_nested(bool print = true) {
     BOOST_TEST(ss1.str().find("function_from_main_translation_unit") != std::string::npos);
     BOOST_TEST(ss2.str().find("function_from_main_translation_unit") != std::string::npos);
 #endif
-
-    //BOOST_TEST(false);
 }
 
 template <class Bt>
@@ -208,9 +227,9 @@ void test_frame() {
 
     boost::stacktrace::frame empty_frame;
     BOOST_TEST(!empty_frame);
-    BOOST_TEST(empty_frame.source_file() == "");
-    BOOST_TEST(empty_frame.name() == "");
-    BOOST_TEST(empty_frame.source_line() == 0);
+    BOOST_TEST_EQ(empty_frame.source_file(), "");
+    BOOST_TEST_EQ(empty_frame.name(), "");
+    BOOST_TEST_EQ(empty_frame.source_line(), 0);
 }
 
 // Template parameter bool BySkip is to produce different functions on each BySkip. This simplifies debugging when one of the tests catches error
@@ -240,6 +259,7 @@ void test_empty_basic_stacktrace() {
 
 int main() {
     test_deeply_nested_namespaces();
+    test_frames_string_data_validity();
     test_nested<15>();
     test_comparisons();
     test_iterators();

test/test_impl.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

test/test_impl.hpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

test/test_noop.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

test/test_num_conv.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at

test/thread_safety_checking.cpp

@@ -1,4 +1,4 @@
-// Copyright Antony Polukhin, 2016-2018.
+// Copyright Antony Polukhin, 2016-2019.
 //
 // Distributed under the Boost Software License, Version 1.0. (See
 // accompanying file LICENSE_1_0.txt or copy at