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e2b3b80e43
Some of the fields we save might have signed types depending on the
system (e.g. `typedef int pid_t`). Depending on the toolchain, we
can trip -Werror=narrowing failures like:
src/client/linux/minidump_writer/linux_core_dumper.cc:248:66: error:
narrowing conversion of ‘(__pid_t)info->siginfo_t::_sifields.siginfo_t::<anonymous union>::_kill.siginfo_t::<anonymous union>::<anonymous struct>::si_pid’
from ‘__pid_t {aka int}’ to ‘long unsigned int’ inside { } [-Werror=narrowing]
set_crash_exception_info({info->si_pid, info->si_uid});
^^^^^^
src/client/linux/minidump_writer/linux_core_dumper.cc:252:71: error:
narrowing conversion of ‘(int)info->siginfo_t::_sifields.siginfo_t::<anonymous union>::_sigsys.siginfo_t::<anonymous union>::<anonymous struct>::_syscall’
from ‘int’ to ‘long unsigned int’ inside { } [-Werror=narrowing]
set_crash_exception_info({info->si_syscall, info->si_arch});
^^^^^^^^^^
Since the exception info fields are all uint64_t which should be large
enough to handle all the fields in the siginfo_t structure, add casts
for all the assignments to avoid these errors. We have implicit casts
even without them, so we aren't changing behavior.
Bug: google-breakpad:791
Bug: chromium:945653
Change-Id: Ib04e015998f08b857159ac13e9a065a66d228d49
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/1544862
Reviewed-by: Mark Mentovai <mark@chromium.org>
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|---|---|---|
| .. | ||
| apple/Framework | ||
| ios | ||
| linux | ||
| mac | ||
| solaris/handler | ||
| windows | ||
| minidump_file_writer-inl.h | ||
| minidump_file_writer.cc | ||
| minidump_file_writer.h | ||
| minidump_file_writer_unittest.cc | ||