Subject: [Boost-bugs] [Boost C++ Libraries] #13285: clang-tidy analyzer complains about uninitialized variable
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2017-11-03 23:19:19
#13285: clang-tidy analyzer complains about uninitialized variable
-------------------------------------------+---------------------
Reporter: Evgeny Televitckiy <stelek@…> | Owner: (none)
Type: Bugs | Status: new
Milestone: To Be Determined | Component: process
Version: Boost 1.64.0 | Severity: Problem
Keywords: |
-------------------------------------------+---------------------
Clang tidy complains about uninitialized variable here:
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:169:17:
error: 1st function call argument is an uninitialized value [clang-
analyzer-core.CallAndMessage,-warnings-as-errors]
_exit_status->store(code);
^
/code/core/source/cpp/private/libs/SensorInterface/Velodyne/tests/PacketDecoderTest.cc:96:13:
note: Calling constructor for 'child'
bp::child call_script(bp::search_path("bash"), get_res_script);
^
/usr/local/boost-1.64.0/include/boost/process/child.hpp:35:13: note:
Calling 'execute_impl'
:
child(::boost::process::detail::execute_impl(std::forward<Args>(args)...))
{}
^
/usr/local/boost-1.64.0/include/boost/process/detail/execute_impl.hpp:275:12:
note: Calling 'basic_execute_impl'
return basic_execute_impl<req_char_type>(
^
/usr/local/boost-1.64.0/include/boost/process/detail/execute_impl.hpp:267:12:
note: Calling 'executor::operator()'
return exec();
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:312:16:
note: Calling 'executor::invoke'
return invoke(has_ignore_error(), shall_use_vfork());
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:371:9:
note: Assuming the condition is false
if (::pipe(p) == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:371:5:
note: Taking false branch
if (::pipe(p) == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:376:9:
note: Assuming the condition is false
if (::fcntl(p[1], F_SETFD, FD_CLOEXEC) == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:376:5:
note: Taking false branch
if (::fcntl(p[1], F_SETFD, FD_CLOEXEC) == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:384:5:
note: Taking false branch
if (_ec)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:391:9:
note: Assuming the condition is false
if (pid == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:391:5:
note: Taking false branch
if (pid == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:400:14:
note: Assuming the condition is false
else if (pid == 0)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:400:10:
note: Taking false branch
else if (pid == 0)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:428:5:
note: Taking true branch
if (_ec)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/executor.hpp:431:22:
note: Calling '~child'
return child();
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:93:13:
note: Left side of '&&' is true
if (_attached && !_exited() && running(ec))
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:93:13:
note: Left side of '&&' is true
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:93:40:
note: Calling 'child::running'
if (_attached && !_exited() && running(ec))
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:164:13:
note: Left side of '&&' is true
if (valid() && !_exited())
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:164:9:
note: Taking true branch
if (valid() && !_exited())
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:166:13:
note: 'code' declared without an initial value
int code;
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:167:24:
note: Calling 'is_running'
auto res =
boost::process::detail::api::is_running(_child_handle, code, ec);
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/is_running.hpp:47:9:
note: Assuming the condition is true
if (ret == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/is_running.hpp:47:5:
note: Taking true branch
if (ret == -1)
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/is_running.hpp:49:13:
note: Assuming the condition is false
if (errno != ECHILD) //because it no child is running, than this
one isn't either, obviously.
^
/usr/include/x86_64-linux-gnu/bits/errno.h:54:18: note: expanded from
macro 'errno'
# define errno (*__errno_location ())
^
/usr/local/boost-1.64.0/include/boost/process/detail/posix/is_running.hpp:49:9:
note: Taking false branch
if (errno != ECHILD) //because it no child is running, than this
one isn't either, obviously.
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:167:24:
note: Returning from 'is_running'
auto res =
boost::process::detail::api::is_running(_child_handle, code, ec);
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:168:17:
note: Left side of '&&' is true
if (!res && !_exited())
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:168:13:
note: Taking true branch
if (!res && !_exited())
^
/usr/local/boost-1.64.0/include/boost/process/detail/child_decl.hpp:169:17:
note: 1st function call argument is an uninitialized value
_exit_status->store(code);
^
-- Ticket URL: <https://svn.boost.org/trac10/boost/ticket/13285> Boost C++ Libraries <http://www.boost.org/> Boost provides free peer-reviewed portable C++ source libraries.
This archive was generated by hypermail 2.1.7 : 2017-11-03 23:25:13 UTC