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Use IsWow64Process API #206

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Use IsWow64Process API #206

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21 changes: 7 additions & 14 deletions src/shared/WindowsVersion.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include "WindowsVersion.h"

#include <windows.h>
#include <wow64apiset.h>
#include <stdint.h>

#include <memory>
Expand Down Expand Up @@ -184,8 +185,6 @@ bool isAtLeastWindows8() {
#define WINPTY_ARCH WINPTY_X64
#endif

typedef BOOL WINAPI IsWow64Process_t(HANDLE hProcess, PBOOL Wow64Process);

void dumpWindowsVersion() {
if (!isTracingEnabled()) {
return;
Expand All @@ -206,20 +205,14 @@ void dumpWindowsVersion() {
b << ' ';
#if WINPTY_ARCH == WINPTY_IA32
b << "IA32";
OsModule kernel32(L"kernel32.dll");
IsWow64Process_t *pIsWow64Process =
reinterpret_cast<IsWow64Process_t*>(
kernel32.proc("IsWow64Process"));
if (pIsWow64Process != nullptr) {
BOOL result = false;
const BOOL success = pIsWow64Process(GetCurrentProcess(), &result);
if (!success) {
b << " WOW64:error";
} else if (success && result) {
BOOL result = false;
auto success = IsWow64Process(GetCurrentProcess(), &result);
if (success) {
if (result) {
b << " WOW64";
}
} else {
b << " WOW64:missingapi";
} else {
b << " WOW64:error";
}
#elif WINPTY_ARCH == WINPTY_X64
b << "X64";
Expand Down