4jcraft/Minecraft.Client/Platform/Linux/Stubs/winapi_stubs.h

#ifndef WINAPISTUBS_H
#define WINAPISTUBS_H

#pragma once

#include <cassert>
#include <cstdarg>
#include <sys/mman.h>

#define TRUE true
#define FALSE false
#define RtlZeroMemory(Destination,Length) memset((Destination),0,(Length))
#define ZeroMemory RtlZeroMemory
#define WINAPI

#define __cdecl
#define _vsnprintf_s vsnprintf;

#define S_OK 0
typedef unsigned int DWORD;
typedef const char *LPCSTR;
typedef bool BOOL;
typedef BOOL *PBOOL;
typedef BOOL *LPBOOL;
typedef void* LPVOID;
typedef wchar_t WCHAR;
typedef unsigned char BYTE;
typedef BYTE* PBYTE;
typedef const wchar_t* LPCWSTR;
typedef unsigned long long ULONGLONG;
typedef int HRESULT;
typedef unsigned int UINT;
typedef void* HANDLE;
typedef int INT;
typedef long* PLONG;
typedef unsigned int* LPDWORD;
typedef const void* LPCVOID;
typedef char CHAR;
typedef void* PVOID;
typedef uintptr_t ULONG_PTR;
typedef long LONG;
typedef long LONG64, *PLONG64;
typedef void VOID;
typedef ULONGLONG PlayerUID;
typedef DWORD WORD;
typedef DWORD* PDWORD;

typedef struct {
    DWORD LowPart;
    LONG HighPart;
    long long QuadPart;
} LARGE_INTEGER;

typedef struct {
    DWORD LowPart;
    LONG HighPart;
    long long QuadPart;
} ULARGE_INTEGER;

typedef long long LONGLONG;
typedef size_t SIZE_T;
typedef WCHAR *LPWSTR, *PWSTR;
typedef unsigned char boolean; // java brainrot
#define __debugbreak()
#define __int32 int
#define CONST const
typedef int64_t __int64;
typedef uint64_t __uint64;
typedef unsigned long ULONG;
// typedef unsigned char byte;
typedef short SHORT;
typedef float FLOAT;

#define ERROR_SUCCESS                    0L
#define ERROR_IO_PENDING                 997L    // dderror
#define ERROR_CANCELLED                  1223L
//#define S_OK                                   ((HRESULT)0x00000000L)
#define S_FALSE                                ((HRESULT)0x00000001L)

#define INFINITE            0xFFFFFFFF  // Infinite timeout

#define PAGE_READWRITE 0x04
#define MEM_LARGE_PAGES 0x20000000
#define MAXULONG_PTR ((ULONG_PTR)~0UL)
#define MAX_PATH 260

#define GENERIC_READ 0x80000000UL
#define GENERIC_WRITE 0x40000000UL
#define GENERIC_EXECUTE 0x20000000UL
#define GENERIC_ALL 0x10000000UL

#define FILE_SHARE_READ 0x00000001
#define FILE_SHARE_WRITE 0x00000002
#define FILE_SHARE_DELETE 0x00000004

#define CREATE_NEW 1
#define CREATE_ALWAYS 2
#define OPEN_EXISTING 3
#define OPEN_ALWAYS 4
#define TRUNCATE_EXISTING 5
#define WAIT_TIMEOUT 258

#define FILE_FLAG_WRITE_THROUGH         0x80000000
#define FILE_FLAG_OVERLAPPED            0x40000000
#define FILE_FLAG_NO_BUFFERING          0x20000000
#define FILE_FLAG_RANDOM_ACCESS         0x10000000
#define FILE_FLAG_SEQUENTIAL_SCAN       0x08000000
#define FILE_FLAG_DELETE_ON_CLOSE       0x04000000
#define FILE_FLAG_BACKUP_SEMANTICS      0x02000000

#define FILE_ATTRIBUTE_READONLY 0x00000001
#define FILE_ATTRIBUTE_HIDDEN 0x00000002
#define FILE_ATTRIBUTE_SYSTEM 0x00000004
#define FILE_ATTRIBUTE_DIRECTORY 0x00000010
#define FILE_ATTRIBUTE_ARCHIVE 0x00000020
#define FILE_ATTRIBUTE_NORMAL 0x00000080
#define FILE_ATTRIBUTE_TEMPORARY 0x00000100
#define INVALID_FILE_ATTRIBUTES ((DWORD)-1)
#define INVALID_FILE_SIZE ((DWORD)-1)
#define INVALID_SET_FILE_POINTER ((DWORD)-1)

#define FILE_BEGIN SEEK_SET
#define FILE_CURRENT SEEK_CUR
#define FILE_END SEEK_END

#define PAGE_NOACCESS          0x01     
#define PAGE_READONLY          0x02     
#define PAGE_READWRITE         0x04     
#define PAGE_WRITECOPY         0x08     
#define PAGE_EXECUTE           0x10     
#define PAGE_EXECUTE_READ      0x20     
#define PAGE_EXECUTE_READWRITE 0x40
#define PAGE_EXECUTE_WRITECOPY 0x80     
#define PAGE_GUARD            0x100     
#define PAGE_NOCACHE          0x200     
#define PAGE_WRITECOMBINE     0x400     
#define PAGE_USER_READONLY   0x1000     
#define PAGE_USER_READWRITE  0x2000     
#define MEM_COMMIT           0x1000     
#define MEM_RESERVE          0x2000     
#define MEM_DECOMMIT         0x4000     
#define MEM_RELEASE          0x8000     
#define MEM_FREE            0x10000     
#define MEM_PRIVATE         0x20000     
#define MEM_RESET           0x80000     
#define MEM_TOP_DOWN       0x100000     
#define MEM_NOZERO         0x800000     
#define MEM_LARGE_PAGES  0x20000000     
#define MEM_HEAP         0x40000000     
#define MEM_16MB_PAGES   0x80000000     

#define THREAD_BASE_PRIORITY_LOWRT  15  // value that gets a thread to LowRealtime-1
#define THREAD_BASE_PRIORITY_MAX    2   // maximum thread base priority boost
#define THREAD_BASE_PRIORITY_MIN    -2  // minimum thread base priority boost
#define THREAD_BASE_PRIORITY_IDLE   -15 // value that gets a thread to idle

#define THREAD_PRIORITY_LOWEST          THREAD_BASE_PRIORITY_MIN
#define THREAD_PRIORITY_BELOW_NORMAL    (THREAD_PRIORITY_LOWEST+1)
#define THREAD_PRIORITY_NORMAL          0
#define THREAD_PRIORITY_HIGHEST         THREAD_BASE_PRIORITY_MAX
#define THREAD_PRIORITY_ABOVE_NORMAL    (THREAD_PRIORITY_HIGHEST-1)
#define THREAD_PRIORITY_ERROR_RETURN    (MAXLONG)

#define THREAD_PRIORITY_TIME_CRITICAL   THREAD_BASE_PRIORITY_LOWRT
#define THREAD_PRIORITY_IDLE            THREAD_BASE_PRIORITY_IDLE

#define IGNORE              0       // Ignore signal
#define INFINITE            0xFFFFFFFF  // Infinite timeout
#define STATUS_WAIT_0                    ((DWORD   )0x00000000L)    
#define WAIT_OBJECT_0       ((STATUS_WAIT_0 ) + 0 )
#define STATUS_PENDING                   ((DWORD   )0x00000103L)    
#define STILL_ACTIVE                        STATUS_PENDING


#define INVALID_HANDLE_VALUE ((HANDLE)(ULONG_PTR)-1)

// https://learn.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-filetime
typedef struct _FILETIME {
    DWORD dwLowDateTime;
    DWORD dwHighDateTime;
} FILETIME, *PFILETIME, *LPFILETIME;

typedef struct _MEMORYSTATUS {
	DWORD dwLength;
	DWORD dwMemoryLoad;
	SIZE_T dwTotalPhys;
	SIZE_T dwAvailPhys;
	SIZE_T dwTotalPageFile;
	SIZE_T dwAvailPageFile;
	SIZE_T dwTotalVirtual;
	SIZE_T dwAvailVirtual;
} MEMORYSTATUS, *LPMEMORYSTATUS;

typedef struct _WIN32_FIND_DATAA {
    DWORD dwFileAttributes;
    FILETIME ftCreationTime;
    FILETIME ftLastAccessTime;
    FILETIME ftLastWriteTime;
    DWORD nFileSizeHigh;
    DWORD nFileSizeLow;
    DWORD dwReserved0;
    DWORD dwReserved1;
    char cFileName[MAX_PATH];
    char cAlternateFileName[14];
} WIN32_FIND_DATAA, *PWIN32_FIND_DATAA, *LPWIN32_FIND_DATAA;

typedef WIN32_FIND_DATAA WIN32_FIND_DATA;
typedef PWIN32_FIND_DATAA PWIN32_FIND_DATA;
typedef LPWIN32_FIND_DATAA LPWIN32_FIND_DATA;

typedef struct _WIN32_FILE_ATTRIBUTE_DATA {
    DWORD dwFileAttributes;
    FILETIME ftCreationTime;
    FILETIME ftLastAccessTime;
    FILETIME ftLastWriteTime;
    DWORD nFileSizeHigh;
    DWORD nFileSizeLow;
} WIN32_FILE_ATTRIBUTE_DATA, *LPWIN32_FILE_ATTRIBUTE_DATA;

typedef enum _GET_FILEEX_INFO_LEVELS {
    GetFileExInfoStandard,
    GetFileExMaxInfoLevel
} GET_FILEEX_INFO_LEVELS;

typedef VOID* XMEMCOMPRESSION_CONTEXT;
typedef VOID* XMEMDECOMPRESSION_CONTEXT;

// internal search state for FindFirstFile/FindNextFile
typedef struct _LINUXSTUBS_FIND_HANDLE {
    DIR *dir;
    char dirpath[MAX_PATH];
    char pattern[MAX_PATH];
} _LINUXSTUBS_FIND_HANDLE;

// https://learn.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-systemtime
typedef struct _SYSTEMTIME {
    WORD wYear;
    WORD wMonth;
    WORD wDayOfWeek;
    WORD wDay;
    WORD wHour;
    WORD wMinute;
    WORD wSecond;
    WORD wMilliseconds;
} SYSTEMTIME, *PSYSTEMTIME, *LPSYSTEMTIME;

#define TLS_OUT_OF_INDEXES ((DWORD)0xFFFFFFFF)
// https://learn.microsoft.com/en-us/cpp/c-runtime-library/truncate?view=msvc-170
#define _TRUNCATE ((size_t)-1)

#define DECLARE_HANDLE(name) typedef HANDLE name
DECLARE_HANDLE(HINSTANCE);

typedef HINSTANCE HMODULE;

#define _HRESULT_TYPEDEF_(_sc) _sc

#define FAILED(Status) ((HRESULT)(Status)<0)
#define MAKE_HRESULT(sev,fac,code) \
	((HRESULT) (((unsigned int)(sev)<<31) | ((unsigned int)(fac)<<16) | ((unsigned int)(code))) )
#define MAKE_SCODE(sev,fac,code) \
	((SCODE) (((unsigned int)(sev)<<31) | ((unsigned int)(fac)<<16) | ((unsigned int)(code))) )
#define E_FAIL                           _HRESULT_TYPEDEF_(0x80004005L)
#define E_ABORT                          _HRESULT_TYPEDEF_(0x80004004L)
#define E_NOINTERFACE                    _HRESULT_TYPEDEF_(0x80004002L)

typedef pthread_mutex_t RTL_CRITICAL_SECTION;
typedef pthread_mutex_t* PRTL_CRITICAL_SECTION;

typedef RTL_CRITICAL_SECTION CRITICAL_SECTION;
typedef PRTL_CRITICAL_SECTION PCRITICAL_SECTION;
typedef PRTL_CRITICAL_SECTION LPCRITICAL_SECTION;

static inline void InitializeCriticalSection(PRTL_CRITICAL_SECTION CriticalSection)
{
    pthread_mutexattr_t attr;
    pthread_mutexattr_init(&attr);
    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
    pthread_mutex_init(CriticalSection, &attr);
    pthread_mutexattr_destroy(&attr);
}

static inline void InitializeCriticalSectionAndSpinCount(PRTL_CRITICAL_SECTION CriticalSection, ULONG SpinCount)
{
    // no spin count required because we use a recursive mutex
    InitializeCriticalSection(CriticalSection);
}

static inline void DeleteCriticalSection(PRTL_CRITICAL_SECTION CriticalSection)
{
    pthread_mutex_destroy(CriticalSection);
}

static inline void EnterCriticalSection(PRTL_CRITICAL_SECTION CriticalSection)
{
    pthread_mutex_lock(CriticalSection);
}

static inline void LeaveCriticalSection(PRTL_CRITICAL_SECTION CriticalSection)
{
    pthread_mutex_unlock(CriticalSection);
}

static inline ULONG TryEnterCriticalSection(PRTL_CRITICAL_SECTION CriticalSection)
{
    return pthread_mutex_trylock(CriticalSection) == 0;
}

// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-tlsalloc
static inline DWORD TlsAlloc(VOID)
{
    pthread_key_t key;
    if (pthread_key_create(&key, NULL) == 0)
        return key;
    return TLS_OUT_OF_INDEXES;
}

// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-tlsfree
static inline BOOL TlsFree(DWORD dwTlsIndex)
{
    return pthread_key_delete(dwTlsIndex) == 0;
}

// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-tlsgetvalue
static inline LPVOID TlsGetValue(DWORD dwTlsIndex)
{
    return pthread_getspecific(dwTlsIndex);
}

// https://learn.microsoft.com/en-us/windows/win32/api/processthreadsapi/nf-processthreadsapi-tlssetvalue
static inline BOOL TlsSetValue(DWORD dwTlsIndex, LPVOID lpTlsValue)
{
    return pthread_setspecific(dwTlsIndex, lpTlsValue) == 0;
}

// https://learn.microsoft.com/en-us/windows/win32/api/winbase/nf-winbase-globalmemorystatus
static inline VOID GlobalMemoryStatus(LPMEMORYSTATUS lpBuffer)
{
    // TODO: Parse /proc/meminfo and set lpBuffer based on that. Probably will also need another
    // different codepath for macOS too.
}

static inline DWORD GetLastError(VOID)
{
    return errno;
}

static inline VOID Sleep(DWORD dwMilliseconds)
{
    struct timespec ts;
    ts.tv_nsec = (dwMilliseconds * 1000000) % 1000000000;
    ts.tv_sec = dwMilliseconds / 1000;

    int ret;
    do {
        ret = nanosleep(&ts, &ts);
    } while (ret == -1 && errno == EINTR);
}

static inline LONG64 InterlockedCompareExchangeRelease64(
    LONG64 volatile *Destination,
    LONG64 Exchange,
    LONG64 Comperand)
{
    LONG64 expected = Comperand;
    __atomic_compare_exchange_n(Destination, &expected, Exchange, false, __ATOMIC_RELEASE, __ATOMIC_RELAXED);
    return expected;
}

// internal helper: convert time_t to FILETIME (100ns intervals since 1601-01-01)
static inline FILETIME _TimeToFileTime(time_t t)
{
    const ULONGLONG EPOCH_DIFF = 11644473600ULL;
    ULONGLONG val = ((ULONGLONG)t + EPOCH_DIFF) * 10000000ULL;
    FILETIME ft;
    ft.dwLowDateTime = (DWORD)(val & 0xFFFFFFFF);
    ft.dwHighDateTime = (DWORD)(val >> 32);
    return ft;
}

// internal helper: fill WIN32_FIND_DATAA from stat + name
static inline void _FillFindData(const char *name, const struct stat *st, WIN32_FIND_DATAA *out)
{
    memset(out, 0, sizeof(*out));
    out->dwFileAttributes = S_ISDIR(st->st_mode) ? FILE_ATTRIBUTE_DIRECTORY : FILE_ATTRIBUTE_NORMAL;
    if (!(st->st_mode & S_IWUSR)) out->dwFileAttributes |= FILE_ATTRIBUTE_READONLY;
    if (name[0] == '.') out->dwFileAttributes |= FILE_ATTRIBUTE_HIDDEN;
    out->ftCreationTime = _TimeToFileTime(st->st_mtime);
    out->ftLastAccessTime = _TimeToFileTime(st->st_atime);
    out->ftLastWriteTime = _TimeToFileTime(st->st_mtime);
    out->nFileSizeHigh = (DWORD)((st->st_size >> 32) & 0xFFFFFFFF);
    out->nFileSizeLow = (DWORD)(st->st_size & 0xFFFFFFFF);
    strncpy(out->cFileName, name, MAX_PATH - 1);
}

static inline HANDLE CreateFileA(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
    void *lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
{
    int flags = 0;
    if ((dwDesiredAccess & GENERIC_READ) && (dwDesiredAccess & GENERIC_WRITE)) flags = O_RDWR;
    else if (dwDesiredAccess & GENERIC_WRITE) flags = O_WRONLY;
    else flags = O_RDONLY;

    switch (dwCreationDisposition)
    {
        case CREATE_NEW: flags |= O_CREAT | O_EXCL; break;
        case CREATE_ALWAYS: flags |= O_CREAT | O_TRUNC; break;
        case OPEN_EXISTING: break;
        case OPEN_ALWAYS: flags |= O_CREAT; break;
        case TRUNCATE_EXISTING: flags |= O_TRUNC; break;
    }

    int fd = open(lpFileName, flags, 0644);
    return fd == -1 ? INVALID_HANDLE_VALUE : (HANDLE)(intptr_t)fd;
}

static inline HANDLE CreateFileW(const wchar_t *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
    void *lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
{
    char narrowBuf[1024];
    wcstombs(narrowBuf, lpFileName, sizeof(narrowBuf));
    narrowBuf[sizeof(narrowBuf) - 1] = '\0';
    return CreateFileA(narrowBuf, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
}

static inline HANDLE CreateFile(const char *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
    void *lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
{
    return CreateFileA(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
}

static inline HANDLE CreateFile(const wchar_t *lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
    void *lpSecurityAttributes, DWORD dwCreationDisposition, DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
{
    return CreateFileW(lpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes, dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
}

static inline BOOL CloseHandle(HANDLE hObject)
{
    if (hObject == INVALID_HANDLE_VALUE) return FALSE;
    return close((int)(intptr_t)hObject) == 0;
}

static inline DWORD GetFileSize(HANDLE hFile, DWORD *lpFileSizeHigh)
{
    struct stat st{};
    if (fstat((int)(intptr_t)hFile, &st) != 0) { if (lpFileSizeHigh) *lpFileSizeHigh = 0; return INVALID_FILE_SIZE; }
    if (lpFileSizeHigh) *lpFileSizeHigh = (DWORD)((st.st_size >> 32) & 0xFFFFFFFF);
    return (DWORD)(st.st_size & 0xFFFFFFFF);
}

static inline BOOL GetFileSizeEx(HANDLE hFile, LARGE_INTEGER *lpFileSize)
{
    struct stat st{};
    if (fstat((int)(intptr_t)hFile, &st) != 0) return FALSE;
    if (lpFileSize) { lpFileSize->QuadPart = st.st_size; lpFileSize->LowPart = (DWORD)(st.st_size & 0xFFFFFFFF); lpFileSize->HighPart = (LONG)(st.st_size >> 32); }
    return TRUE;
}

static inline BOOL ReadFile(HANDLE hFile, void *lpBuffer, DWORD nNumberOfBytesToRead, DWORD *lpNumberOfBytesRead, void *lpOverlapped)
{
    ssize_t n = read((int)(intptr_t)hFile, lpBuffer, nNumberOfBytesToRead);
    if (lpNumberOfBytesRead) *lpNumberOfBytesRead = n >= 0 ? (DWORD)n : 0;
    return n >= 0;
}

static inline BOOL WriteFile(HANDLE hFile, const void *lpBuffer, DWORD nNumberOfBytesToWrite, DWORD *lpNumberOfBytesWritten, void *lpOverlapped)
{
    ssize_t n = write((int)(intptr_t)hFile, lpBuffer, nNumberOfBytesToWrite);
    if (lpNumberOfBytesWritten) *lpNumberOfBytesWritten = n >= 0 ? (DWORD)n : 0;
    return n >= 0;
}

static inline DWORD SetFilePointer(HANDLE hFile, LONG lDistanceToMove, LONG *lpDistanceToMoveHigh, DWORD dwMoveMethod)
{
    off_t offset = lDistanceToMove;
    if (lpDistanceToMoveHigh) offset |= ((off_t)*lpDistanceToMoveHigh << 32);
    off_t result = lseek((int)(intptr_t)hFile, offset, dwMoveMethod);
    if (result == (off_t)-1) { if (lpDistanceToMoveHigh) *lpDistanceToMoveHigh = -1; return INVALID_SET_FILE_POINTER; }
    if (lpDistanceToMoveHigh) *lpDistanceToMoveHigh = (LONG)(result >> 32);
    return (DWORD)(result & 0xFFFFFFFF);
}

static inline DWORD GetFileAttributesA(const char *lpFileName)
{
    struct stat st{};
    if (stat(lpFileName, &st) != 0) return INVALID_FILE_ATTRIBUTES;
    DWORD attrs = S_ISDIR(st.st_mode) ? FILE_ATTRIBUTE_DIRECTORY : FILE_ATTRIBUTE_NORMAL;
    if (!(st.st_mode & S_IWUSR)) attrs |= FILE_ATTRIBUTE_READONLY;
    const char *base = strrchr(lpFileName, '/'); base = base ? base + 1 : lpFileName;
    if (base[0] == '.') attrs |= FILE_ATTRIBUTE_HIDDEN;
    return attrs;
}

static inline DWORD GetFileAttributes(const char *lpFileName)
{
    return GetFileAttributesA(lpFileName);
}

static inline BOOL GetFileAttributesExA(const char *lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId, void *lpFileInformation)
{
    if (fInfoLevelId != GetFileExInfoStandard || !lpFileInformation) return FALSE;
    struct stat st{};
    if (stat(lpFileName, &st) != 0) return FALSE;
    WIN32_FILE_ATTRIBUTE_DATA *out = (WIN32_FILE_ATTRIBUTE_DATA *)lpFileInformation;
    out->dwFileAttributes = GetFileAttributesA(lpFileName);
    out->ftCreationTime = _TimeToFileTime(st.st_mtime);
    out->ftLastAccessTime = _TimeToFileTime(st.st_atime);
    out->ftLastWriteTime = _TimeToFileTime(st.st_mtime);
    out->nFileSizeHigh = (DWORD)((st.st_size >> 32) & 0xFFFFFFFF);
    out->nFileSizeLow = (DWORD)(st.st_size & 0xFFFFFFFF);
    return TRUE;
}

static inline BOOL GetFileAttributesEx(const char *lpFileName, GET_FILEEX_INFO_LEVELS fInfoLevelId, void *lpFileInformation)
{
    return GetFileAttributesExA(lpFileName, fInfoLevelId, lpFileInformation);
}

static inline BOOL CreateDirectoryA(const char *lpPathName, void *lpSecurityAttributes)
{
    return mkdir(lpPathName, 0755) == 0;
}

static inline BOOL CreateDirectory(const char *lpPathName, void *lpSecurityAttributes)
{
    return CreateDirectoryA(lpPathName, lpSecurityAttributes);
}

static inline BOOL DeleteFileA(const char *lpFileName)
{
    return unlink(lpFileName) == 0;
}

static inline BOOL DeleteFile(const char *lpFileName)
{
    return DeleteFileA(lpFileName);
}

static inline BOOL MoveFileA(const char *lpExistingFileName, const char *lpNewFileName)
{
    return rename(lpExistingFileName, lpNewFileName) == 0;
}

static inline BOOL MoveFile(const char *lpExistingFileName, const char *lpNewFileName)
{
    return MoveFileA(lpExistingFileName, lpNewFileName);
}

// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-findfirstfilea
static inline HANDLE FindFirstFileA(const char *lpFileName, WIN32_FIND_DATAA *lpFindFileData)
{
    if (!lpFileName || !lpFindFileData) return INVALID_HANDLE_VALUE;

    char dirpath[MAX_PATH], pattern[MAX_PATH];
    const char *sep = strrchr(lpFileName, '/');
    if (sep)
    {
        size_t len = sep - lpFileName;
        if (len >= MAX_PATH) return INVALID_HANDLE_VALUE;
        strncpy(dirpath, lpFileName, len); dirpath[len] = '\0';
        strncpy(pattern, sep + 1, MAX_PATH - 1);
    }
    else
    {
        strncpy(dirpath, ".", MAX_PATH - 1);
        strncpy(pattern, lpFileName, MAX_PATH - 1);
    }

    DIR *dir = opendir(dirpath);
    if (!dir) return INVALID_HANDLE_VALUE;

    _LINUXSTUBS_FIND_HANDLE *fh = (_LINUXSTUBS_FIND_HANDLE *)malloc(sizeof(_LINUXSTUBS_FIND_HANDLE));
    if (!fh) { closedir(dir); return INVALID_HANDLE_VALUE; }
    fh->dir = dir;
    strncpy(fh->dirpath, dirpath, MAX_PATH - 1);
    strncpy(fh->pattern, pattern, MAX_PATH - 1);

    struct dirent *ent;
    while ((ent = readdir(fh->dir)) != NULL)
    {
        if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue;
        if (fnmatch(fh->pattern, ent->d_name, 0) == 0)
        {
            char fullpath[MAX_PATH * 2];
            snprintf(fullpath, sizeof(fullpath), "%s/%s", fh->dirpath, ent->d_name);
            struct stat st{};
            if (stat(fullpath, &st) == 0) _FillFindData(ent->d_name, &st, lpFindFileData);
            else { memset(lpFindFileData, 0, sizeof(*lpFindFileData)); strncpy(lpFindFileData->cFileName, ent->d_name, MAX_PATH - 1); }
            return (HANDLE)fh;
        }
    }

    closedir(fh->dir); free(fh);
    return INVALID_HANDLE_VALUE;
}

static inline HANDLE FindFirstFile(const char *lpFileName, WIN32_FIND_DATAA *lpFindFileData)
{
    return FindFirstFileA(lpFileName, lpFindFileData);
}

// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-findnextfilea
static inline BOOL FindNextFileA(HANDLE hFindFile, WIN32_FIND_DATAA *lpFindFileData)
{
    if (hFindFile == INVALID_HANDLE_VALUE || !lpFindFileData) return FALSE;
    _LINUXSTUBS_FIND_HANDLE *fh = (_LINUXSTUBS_FIND_HANDLE *)hFindFile;

    struct dirent *ent;
    while ((ent = readdir(fh->dir)) != NULL)
    {
        if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue;
        if (fnmatch(fh->pattern, ent->d_name, 0) == 0)
        {
            char fullpath[MAX_PATH * 2];
            snprintf(fullpath, sizeof(fullpath), "%s/%s", fh->dirpath, ent->d_name);
            struct stat st{};
            if (stat(fullpath, &st) == 0) _FillFindData(ent->d_name, &st, lpFindFileData);
            else { memset(lpFindFileData, 0, sizeof(*lpFindFileData)); strncpy(lpFindFileData->cFileName, ent->d_name, MAX_PATH - 1); }
            return TRUE;
        }
    }
    return FALSE;
}

static inline BOOL FindNextFile(HANDLE hFindFile, WIN32_FIND_DATAA *lpFindFileData)
{
    return FindNextFileA(hFindFile, lpFindFileData);
}

// https://learn.microsoft.com/en-us/windows/win32/api/fileapi/nf-fileapi-findclose
static inline BOOL FindClose(HANDLE hFindFile)
{
    if (hFindFile == INVALID_HANDLE_VALUE) return FALSE;
    _LINUXSTUBS_FIND_HANDLE *fh = (_LINUXSTUBS_FIND_HANDLE *)hFindFile;
    closedir(fh->dir); free(fh);
    return TRUE;
}

// internal helper: convert FILETIME (100ns since 1601) to time_t (seconds since 1970)
static inline time_t _FileTimeToTimeT(const FILETIME& ft)
{
    ULONGLONG val = ((ULONGLONG)ft.dwHighDateTime << 32) | ft.dwLowDateTime;
    const ULONGLONG EPOCH_DIFF = 116444736000000000ULL; // 100ns intervals between 1601-01-01 and 1970-01-01
    return (time_t)((val - EPOCH_DIFF) / 10000000ULL);
}

// internal helper: read the current wall clock into a timespec
static inline void _CurrentTimeSpec(struct timespec *ts)
{
#ifdef CLOCK_REALTIME
    clock_gettime(CLOCK_REALTIME, ts);
#else
    struct timeval tv;
    gettimeofday(&tv, NULL);
    ts->tv_sec  = tv.tv_sec;
    ts->tv_nsec = tv.tv_usec * 1000;
#endif
}

// internal helper: fill SYSTEMTIME from a broken-down tm + nanosecond remainder
static inline void _FillSystemTime(const struct tm *tm, long tv_nsec, LPSYSTEMTIME lpSystemTime)
{
    lpSystemTime->wYear         = tm->tm_year + 1900;
    lpSystemTime->wMonth        = tm->tm_mon + 1;
    lpSystemTime->wDayOfWeek    = tm->tm_wday; // 0 = Sunday
    lpSystemTime->wDay          = tm->tm_mday;
    lpSystemTime->wHour         = tm->tm_hour;
    lpSystemTime->wMinute       = tm->tm_min;
    lpSystemTime->wSecond       = tm->tm_sec;
    lpSystemTime->wMilliseconds = (WORD)(tv_nsec / 1000000); // ns to ms
}

// https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getsystemtime
static inline VOID GetSystemTime(LPSYSTEMTIME lpSystemTime)
{
    struct timespec ts; _CurrentTimeSpec(&ts);
    struct tm tm; gmtime_r(&ts.tv_sec, &tm); // UTC
    _FillSystemTime(&tm, ts.tv_nsec, lpSystemTime);
}

// https://learn.microsoft.com/en-us/windows/win32/api/sysinfoapi/nf-sysinfoapi-getlocaltime
static inline VOID GetLocalTime(LPSYSTEMTIME lpSystemTime)
{
    struct timespec ts; _CurrentTimeSpec(&ts);
    struct tm tm; localtime_r(&ts.tv_sec, &tm); // local time
    _FillSystemTime(&tm, ts.tv_nsec, lpSystemTime);
}

// https://learn.microsoft.com/en-us/windows/win32/api/timezoneapi/nf-timezoneapi-systemtimetofiletime
static inline BOOL SystemTimeToFileTime(const SYSTEMTIME *lpSystemTime, LPFILETIME lpFileTime)
{
    struct tm tm = {};
    tm.tm_year = lpSystemTime->wYear - 1900;
    tm.tm_mon  = lpSystemTime->wMonth - 1;
    tm.tm_mday = lpSystemTime->wDay;
    tm.tm_hour = lpSystemTime->wHour;
    tm.tm_min  = lpSystemTime->wMinute;
    tm.tm_sec  = lpSystemTime->wSecond;

    time_t t = timegm(&tm);
    if (t == (time_t)-1) return FALSE;

    ULONGLONG ft = ((ULONGLONG)t + 11644473600ULL) * 10000000ULL;
    ft += lpSystemTime->wMilliseconds * 10000ULL;
    lpFileTime->dwLowDateTime  = (DWORD)(ft & 0xFFFFFFFF);
    lpFileTime->dwHighDateTime = (DWORD)(ft >> 32);
    return TRUE;
}

// https://learn.microsoft.com/en-us/windows/win32/api/timezoneapi/nf-timezoneapi-filetimetosystemtime
static inline BOOL FileTimeToSystemTime(const FILETIME *lpFileTime, LPSYSTEMTIME lpSystemTime)
{
    ULONGLONG ft = ((ULONGLONG)lpFileTime->dwHighDateTime << 32) | lpFileTime->dwLowDateTime;
    time_t t = _FileTimeToTimeT(*lpFileTime);
    long remainder_ns = (long)((ft % 10000000ULL) * 100);

    struct tm tm; gmtime_r(&t, &tm); // UTC
    _FillSystemTime(&tm, remainder_ns, lpSystemTime);
    return TRUE;
}
static inline DWORD GetTickCount() 
{
    struct timespec ts;
    clock_gettime(CLOCK_MONOTONIC, &ts);

    // milliseconds
    return (long long)ts.tv_sec * 1000 + (long long)ts.tv_nsec / 1000000;
}

static inline BOOL QueryPerformanceFrequency(LARGE_INTEGER *lpFrequency) 
{ 
	// nanoseconds
	lpFrequency->QuadPart = 1000000000;		
	return false; 
}


static inline BOOL QueryPerformanceCounter(LARGE_INTEGER *lpPerformanceCount)
{
    struct timespec ts;
    clock_gettime(CLOCK_MONOTONIC, &ts);

    // nanoseconds
	lpPerformanceCount->QuadPart = ((long long)ts.tv_sec * 1000000000) + (long long)ts.tv_nsec;

    return true;
}

// https://learn.microsoft.com/en-us/windows/win32/api/debugapi/nf-debugapi-outputdebugstringa
static inline VOID OutputDebugStringA(LPCSTR lpOutputString)
{
    if (!lpOutputString) return;
    fputs(lpOutputString, stderr);
}

// https://learn.microsoft.com/en-us/windows/win32/api/debugapi/nf-debugapi-outputdebugstringw
static inline VOID OutputDebugStringW(LPCWSTR lpOutputString)
{
    if (!lpOutputString) return;
    fprintf(stderr, "%ls", lpOutputString);
}

static inline VOID OutputDebugString(LPCSTR lpOutputString)
{
    return OutputDebugStringA(lpOutputString);
}

typedef struct {
    pthread_mutex_t mutex;
    pthread_cond_t cond;
    int signaled;
    int manual_reset;
} Event;

static inline HANDLE CreateEvent(int manual_reset, int initial_state) {
    Event* ev = (Event*)malloc(sizeof(Event));
    pthread_mutex_init(&ev->mutex, NULL);
    pthread_cond_init(&ev->cond, NULL);
    ev->signaled = initial_state;
    ev->manual_reset = manual_reset;
    return (HANDLE)ev;
}

static inline HANDLE CreateEvent(void*, BOOL manual_reset, BOOL initial_state, void*) {
    return CreateEvent(manual_reset, initial_state);
}

static inline BOOL SetEvent(HANDLE hEvent) {
    Event* ev = (Event*)hEvent;
    if (!ev) return FALSE;
    pthread_mutex_lock(&ev->mutex);
    ev->signaled = 1;
    if (ev->manual_reset) pthread_cond_broadcast(&ev->cond);
    else pthread_cond_signal(&ev->cond);
    pthread_mutex_unlock(&ev->mutex);
    return TRUE;
}

static inline BOOL ResetEvent(HANDLE hEvent) {
    Event* ev = (Event*)hEvent;
    if (!ev) return FALSE;
    pthread_mutex_lock(&ev->mutex);
    ev->signaled = 0;
    pthread_mutex_unlock(&ev->mutex);
    return TRUE;
}

#define WAIT_FAILED ((DWORD)0xFFFFFFFF)
#define INFINITE 0xFFFFFFFF
#define HANDLE_TYPE_THREAD 0x54485200

static inline DWORD _WaitForEvent(Event* ev, DWORD dwMilliseconds) {
    pthread_mutex_lock(&ev->mutex);
    if (dwMilliseconds == INFINITE) {
        while (!ev->signaled) pthread_cond_wait(&ev->cond, &ev->mutex);
    } else if (dwMilliseconds > 0) {
        struct timespec ts;
        clock_gettime(CLOCK_REALTIME, &ts);
        ts.tv_sec += dwMilliseconds / 1000;
        ts.tv_nsec += (dwMilliseconds % 1000) * 1000000;
        if (ts.tv_nsec >= 1000000000) { ts.tv_sec++; ts.tv_nsec -= 1000000000; }
        while (!ev->signaled) {
            if (pthread_cond_timedwait(&ev->cond, &ev->mutex, &ts) != 0) {
                pthread_mutex_unlock(&ev->mutex);
                return WAIT_TIMEOUT;
            }
        }
    } else {
        if (!ev->signaled) { pthread_mutex_unlock(&ev->mutex); return WAIT_TIMEOUT; }
    }
    if (!ev->manual_reset) ev->signaled = 0;
    pthread_mutex_unlock(&ev->mutex);
    return WAIT_OBJECT_0;
}

struct LinuxThread;
static inline DWORD _WaitForThread(struct LinuxThread* lt, DWORD dwMilliseconds);

static inline DWORD WaitForSingleObject(HANDLE hHandle, DWORD dwMilliseconds) {
    if (!hHandle) return WAIT_FAILED;
    // Check if this is a thread handle (LinuxThread has magic number as first field)
    if (*(int*)hHandle == HANDLE_TYPE_THREAD) {
        return _WaitForThread((struct LinuxThread*)hHandle, dwMilliseconds);
    }
    return _WaitForEvent((Event*)hHandle, dwMilliseconds);
}

static inline DWORD WaitForMultipleObjects(DWORD nCount, const HANDLE* lpHandles, BOOL bWaitAll, DWORD dwMilliseconds) {
    if (bWaitAll) {
        for (DWORD i = 0; i < nCount; i++) WaitForSingleObject(lpHandles[i], dwMilliseconds);
        return WAIT_OBJECT_0;
    }
    for (int pass = 0; pass < 1000; pass++) {
        for (DWORD i = 0; i < nCount; i++) {
            if (WaitForSingleObject(lpHandles[i], 0) == WAIT_OBJECT_0) return WAIT_OBJECT_0 + i;
        }
        usleep(1000);
    }
    return WAIT_TIMEOUT;
}

static inline void CloseHandle_Event(HANDLE hEvent) {
    Event* ev = (Event*)hEvent;
    if (!ev) return;
    pthread_mutex_destroy(&ev->mutex);
    pthread_cond_destroy(&ev->cond);
    free(ev);
}

#define CREATE_SUSPENDED 0x00000004

typedef DWORD (*LPTHREAD_START_ROUTINE)(void*);

struct LinuxThread {
    int handleType;
    pthread_t thread;
    LPTHREAD_START_ROUTINE func;
    void* param;
    DWORD threadId;
    DWORD exitCode;
    int suspended;
    pthread_mutex_t suspendMutex;
    pthread_cond_t suspendCond;
    pthread_mutex_t completionMutex;
    pthread_cond_t completionCond;
    int completed;
};

static inline void* _linux_thread_entry(void* arg) {
    LinuxThread* lt = (LinuxThread*)arg;
    pthread_mutex_lock(&lt->suspendMutex);
    while (lt->suspended) pthread_cond_wait(&lt->suspendCond, &lt->suspendMutex);
    pthread_mutex_unlock(&lt->suspendMutex);
    lt->exitCode = lt->func(lt->param);
    // Signal completion
    pthread_mutex_lock(&lt->completionMutex);
    lt->completed = 1;
    pthread_cond_broadcast(&lt->completionCond);
    pthread_mutex_unlock(&lt->completionMutex);
    return NULL;
}

static inline DWORD _WaitForThread(struct LinuxThread* lt, DWORD dwMilliseconds) {
    pthread_mutex_lock(&lt->completionMutex);
    if (lt->completed) {
        pthread_mutex_unlock(&lt->completionMutex);
        return WAIT_OBJECT_0;
    }
    if (dwMilliseconds == 0) {
        pthread_mutex_unlock(&lt->completionMutex);
        return WAIT_TIMEOUT;
    }
    if (dwMilliseconds == INFINITE) {
        while (!lt->completed) pthread_cond_wait(&lt->completionCond, &lt->completionMutex);
    } else {
        struct timespec ts;
        clock_gettime(CLOCK_REALTIME, &ts);
        ts.tv_sec += dwMilliseconds / 1000;
        ts.tv_nsec += (dwMilliseconds % 1000) * 1000000;
        if (ts.tv_nsec >= 1000000000) { ts.tv_sec++; ts.tv_nsec -= 1000000000; }
        while (!lt->completed) {
            if (pthread_cond_timedwait(&lt->completionCond, &lt->completionMutex, &ts) != 0) {
                pthread_mutex_unlock(&lt->completionMutex);
                return WAIT_TIMEOUT;
            }
        }
    }
    pthread_mutex_unlock(&lt->completionMutex);
    return WAIT_OBJECT_0;
}

static DWORD g_nextThreadId = 1000;

static inline HANDLE CreateThread(void*, SIZE_T stackSize, LPTHREAD_START_ROUTINE lpStartAddress, void* lpParameter, DWORD dwCreationFlags, DWORD* lpThreadId) {
    LinuxThread* lt = (LinuxThread*)calloc(1, sizeof(LinuxThread));
    lt->handleType = HANDLE_TYPE_THREAD;
    lt->func = lpStartAddress;
    lt->param = lpParameter;
    lt->exitCode = STILL_ACTIVE;
    lt->suspended = (dwCreationFlags & CREATE_SUSPENDED) ? 1 : 0;
    lt->completed = 0;
    lt->threadId = __sync_fetch_and_add(&g_nextThreadId, 1);
    pthread_mutex_init(&lt->suspendMutex, NULL);
    pthread_cond_init(&lt->suspendCond, NULL);
    pthread_mutex_init(&lt->completionMutex, NULL);
    pthread_cond_init(&lt->completionCond, NULL);
    if (lpThreadId) *lpThreadId = lt->threadId;
    pthread_attr_t attr;
    pthread_attr_init(&attr);
    if (stackSize > 0) pthread_attr_setstacksize(&attr, stackSize);
    pthread_create(&lt->thread, &attr, _linux_thread_entry, lt);
    pthread_attr_destroy(&attr);
    return (HANDLE)lt;
}

static inline DWORD ResumeThread(HANDLE hThread) {
    LinuxThread* lt = (LinuxThread*)hThread;
    if (!lt) return (DWORD)-1;
    pthread_mutex_lock(&lt->suspendMutex);
    lt->suspended = 0;
    pthread_cond_signal(&lt->suspendCond);
    pthread_mutex_unlock(&lt->suspendMutex);
    return 0;
}

static inline BOOL SetThreadPriority(HANDLE hThread, int nPriority) {
    (void)hThread; (void)nPriority;
    return TRUE;
}

static inline BOOL GetExitCodeThread(HANDLE hThread, DWORD* lpExitCode) {
    LinuxThread* lt = (LinuxThread*)hThread;
    if (!lt || !lpExitCode) return FALSE;
    *lpExitCode = lt->exitCode;
    return TRUE;
}

static inline DWORD GetCurrentThreadId() {
    return (DWORD)(unsigned long)pthread_self();
}

static inline HANDLE GetCurrentThread() {
    return (HANDLE)(unsigned long)pthread_self();
}

template<size_t N>
static inline int sprintf_s(char (&buf)[N], const char* fmt, ...) {
    va_list args;
    va_start(args, fmt);
    int ret = vsnprintf(buf, N, fmt, args);
    va_end(args);
    return ret;
}

static inline int sprintf_s(char* buf, size_t sz, const char* fmt, ...) {
    va_list args;
    va_start(args, fmt); // fucking horrid
    int ret = vsnprintf(buf, sz, fmt, args);
    va_end(args);
    return ret;
}

template<size_t N>
static inline int swprintf_s(wchar_t (&buf)[N], const wchar_t* fmt, ...) {
    va_list args;
    va_start(args, fmt);
    int ret = vswprintf(buf, N, fmt, args);
    va_end(args);
    return ret;
}

static inline int swprintf_s(wchar_t* buf, size_t sz, const wchar_t* fmt, ...) {
    va_list args;
    va_start(args, fmt);
    int ret = vswprintf(buf, sz, fmt, args);
    va_end(args);
    return ret;
}

static inline HMODULE GetModuleHandle(LPCSTR lpModuleName) { return 0; }

static inline LPVOID VirtualAlloc(LPVOID lpAddress, SIZE_T dwSize, DWORD flAllocationType, DWORD flProtect) {
    // MEM_COMMIT | MEM_RESERVE → mmap anonymous
    int prot = 0;
    if (flProtect == 0x04 /*PAGE_READWRITE*/) prot = PROT_READ | PROT_WRITE;
    else if (flProtect == 0x40 /*PAGE_EXECUTE_READWRITE*/) prot = PROT_READ | PROT_WRITE | PROT_EXEC;
    else if (flProtect == 0x02 /*PAGE_READONLY*/) prot = PROT_READ;
    else prot = PROT_READ | PROT_WRITE; // default

    int flags = MAP_PRIVATE | MAP_ANONYMOUS;
    if (lpAddress != NULL) flags |= MAP_FIXED;

    void *p = mmap(lpAddress, dwSize, prot, flags, -1, 0);
    if (p == MAP_FAILED) return NULL;
    return p;
}

static inline BOOL VirtualFree(LPVOID lpAddress, SIZE_T dwSize, DWORD dwFreeType) {
    if (lpAddress == NULL) return FALSE;
    // MEM_RELEASE (0x8000) frees the whole region
    if (dwFreeType == 0x8000 /*MEM_RELEASE*/) {
        // dwSize should be 0 for MEM_RELEASE per Win32 API, but we don't track allocation sizes
        // Use dwSize if provided, otherwise this is a best-effort
        if (dwSize == 0) dwSize = 4096; // minimum page
        munmap(lpAddress, dwSize);
    } else {
        // MEM_DECOMMIT (0x4000) - just decommit (make inaccessible)
        madvise(lpAddress, dwSize, MADV_DONTNEED);
    }
    return TRUE;
}

#define swscanf_s swscanf
#define sscanf_s sscanf
#define _wcsicmp wcscasecmp
#define _stricmp strcasecmp
#define _strnicmp strncasecmp
#define _wcsnicmp wcsncasecmp

#endif // WINAPISTUBS_H