Fix cast-function-type warning (#8230)
Summary: Fixing cast-function-type which is appears during the following build: ```bash cmake .. -DFAIL_ON_WARNINGS=ON -DCMAKE_C_COMPILER=x86_64-w64-mingw32-gcc -DCMAKE_CXX_COMPILER=x86_64-w64-mingw32-g++ -DCMAKE_SYSTEM_NAME=Windows make rocksdb ``` Here is the log: ``` /home/leshiy/Work/rocksdb/port/win/env_win.cc: In constructor ‘rocksdb::port::WinClock::WinClock()’: /home/leshiy/Work/rocksdb/port/win/env_win.cc:92:9: error: cast between incompatible function types from ‘FARPROC’ {aka ‘long long int (*)()’} to ‘rocksdb::port::WinClock::FnGetSystemTimePreciseAsFileTime’ {aka ‘void (*)(_FILETIME*)’} [-Werror=cast-function-type] 92 | (FnGetSystemTimePreciseAsFileTime)GetProcAddress( | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 93 | module, "GetSystemTimePreciseAsFileTime"); | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1plus: all warnings being treated as errors make[2]: *** [CMakeFiles/rocksdb.dir/build.make:4337: CMakeFiles/rocksdb.dir/port/win/env_win.cc.obj] Error 1 make[1]: *** [CMakeFiles/Makefile2:83: CMakeFiles/rocksdb.dir/all] Error 2 make: *** [Makefile:91: all] Error 2 ``` Pull Request resolved: https://github.com/facebook/rocksdb/pull/8230 Reviewed By: jay-zhuang Differential Revision: D28000215 Pulled By: mrambacher fbshipit-source-id: 874782cf48f70470e3fbd9097585bf42e810ca61
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@ -9,8 +9,6 @@
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#if defined(OS_WIN)
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#include "port/win/env_win.h"
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#include <direct.h> // _rmdir, _mkdir, _getcwd
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#include <errno.h>
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#include <io.h> // _access
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@ -29,6 +27,7 @@
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#include "monitoring/thread_status_util.h"
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#include "port/port.h"
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#include "port/port_dirent.h"
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#include "port/win/env_win.h"
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#include "port/win/io_win.h"
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#include "port/win/win_logger.h"
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#include "port/win/win_thread.h"
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@ -89,9 +88,8 @@ WinClock::WinClock()
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HMODULE module = GetModuleHandle("kernel32.dll");
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if (module != NULL) {
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GetSystemTimePreciseAsFileTime_ =
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(FnGetSystemTimePreciseAsFileTime)GetProcAddress(
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module, "GetSystemTimePreciseAsFileTime");
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GetSystemTimePreciseAsFileTime_ = (FnGetSystemTimePreciseAsFileTime)(
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void*)GetProcAddress(module, "GetSystemTimePreciseAsFileTime");
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}
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}
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