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Platform (Windows): prefers info inside TEB/PEB

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This commit is contained in:
李通洲
2026-03-09 20:25:10 +08:00
parent 6370485dcb
commit 724ab6ba69
1 changed files with 7 additions and 5 deletions
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src/common/impl/FFPlatform_windows.c
+7 -5
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@@ -286,11 +286,12 @@ static void getSystemArchitecture(FFPlatformSysinfo* info)
static void getCwd(FFPlatform* platform)
{
#if _WIN64
static_assert(
offsetof(RTL_USER_PROCESS_PARAMETERS, Reserved2[5]) == 0x38,
"CurrentDirectory should be at offset 0x38 in RTL_USER_PROCESS_PARAMETERS. Structure layout mismatch detected.");
#endif
offsetof(RTL_USER_PROCESS_PARAMETERS, Reserved2[5]) == sizeof(ULONG) * 5 + sizeof(HANDLE) * 4
#if __amd64__ || __aarch64__
+ sizeof(ULONG) // Padding
#endif
, "Structure layout mismatch detected.");
PCURDIR cwd = (PCURDIR) &NtCurrentTeb()->ProcessEnvironmentBlock->ProcessParameters->Reserved2[5];
ffStrbufSetNWS(&platform->cwd, cwd->DosPath.Length / sizeof(WCHAR), cwd->DosPath.Buffer);
ffStrbufReplaceAllC(&platform->cwd, '\\', '/');
@@ -299,7 +300,8 @@ static void getCwd(FFPlatform* platform)
void ffPlatformInitImpl(FFPlatform* platform)
{
platform->pid = (uint32_t) GetCurrentProcessId();
static_assert(offsetof(TEB, Reserved1[8]) == sizeof(NT_TIB) + sizeof(PVOID) /*EnvironmentPointer*/, "Structure layout mismatch detected.");
platform->pid = (uint32_t) (uintptr_t) ((CLIENT_ID*) &NtCurrentTeb()->Reserved1[8])->UniqueProcess;
getExePath(platform);
getCwd(platform);
getHomeDir(platform);