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msapi_utf8.h
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msapi_utf8.h
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/*
* MSAPI_UTF8: Common API calls using UTF-8 strings
* Compensating for what Microsoft should have done a long long time ago.
* Also see http://utf8everywhere.org/
*
* Copyright © 2010-2015 Pete Batard <pete@akeo.ie>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <windows.h>
#include <stdio.h>
#include <shlobj.h>
#include <ctype.h>
#include <commdlg.h>
#include <shellapi.h>
#include <shlwapi.h>
#include <setupapi.h>
#include <direct.h>
#include <share.h>
#include <fcntl.h>
#include <io.h>
#pragma once
#if defined(_MSC_VER)
// disable VS2012 Code Analysis warnings that are intentional
#pragma warning(disable: 6387) // Don't care about bad params
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define _LTEXT(txt) L##txt
#define LTEXT(txt) _LTEXT(txt)
#define wchar_to_utf8_no_alloc(wsrc, dest, dest_size) \
WideCharToMultiByte(CP_UTF8, 0, wsrc, -1, dest, dest_size, NULL, NULL)
#define utf8_to_wchar_no_alloc(src, wdest, wdest_size) \
MultiByteToWideChar(CP_UTF8, 0, src, -1, wdest, wdest_size)
#define Edit_ReplaceSelU(hCtrl, str) ((void)SendMessageLU(hCtrl, EM_REPLACESEL, (WPARAM)FALSE, str))
#define ComboBox_AddStringU(hCtrl, str) ((int)(DWORD)SendMessageLU(hCtrl, CB_ADDSTRING, (WPARAM)FALSE, str))
#define ComboBox_InsertStringU(hCtrl, index, str) ((int)(DWORD)SendMessageLU(hCtrl, CB_INSERTSTRING, (WPARAM)index, str))
#define ComboBox_GetTextU(hCtrl, str, max_str) GetWindowTextU(hCtrl, str, max_str)
#define GetSaveFileNameU(p) GetOpenSaveFileNameU(p, TRUE)
#define GetOpenFileNameU(p) GetOpenSaveFileNameU(p, FALSE)
#define ListView_SetItemTextU(hwndLV,i,iSubItem_,pszText_) { LVITEMW _ms_wlvi; _ms_wlvi.iSubItem = iSubItem_; \
_ms_wlvi.pszText = utf8_to_wchar(pszText_); \
SNDMSG((hwndLV),LVM_SETITEMTEXTW,(WPARAM)(i),(LPARAM)&_ms_wlvi); sfree(_ms_wlvi.pszText);}
// Never ever use isdigit() or isspace(), etc. on UTF-8 strings!
// These calls take an int and char is signed so MS compilers will produce an assert error on anything that's > 0x80
#define isasciiU(c) isascii((unsigned char)(c))
#define iscntrlU(c) iscntrl((unsigned char)(c))
#define isdigitU(c) isdigit((unsigned char)(c))
#define isspaceU(c) isspace((unsigned char)(c))
#define isxdigitU(c) isxdigit((unsigned char)(c))
// NB: other issomething() calls are not implemented as they may require multibyte UTF-8 sequences to be converted
#define sfree(p) do {if (p != NULL) {free((void*)(p)); p = NULL;}} while(0)
#define wconvert(p) wchar_t* w ## p = utf8_to_wchar(p)
#define walloc(p, size) wchar_t* w ## p = (p == NULL)?NULL:(wchar_t*)calloc(size, sizeof(wchar_t))
#define wfree(p) sfree(w ## p)
/*
* Converts an UTF-16 string to UTF8 (allocate returned string)
* Returns NULL on error
*/
static __inline char* wchar_to_utf8(const wchar_t* wstr)
{
int size = 0;
char* str = NULL;
// Find out the size we need to allocate for our converted string
size = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, NULL, 0, NULL, NULL);
if (size <= 1) // An empty string would be size 1
return NULL;
if ((str = (char*)calloc(size, 1)) == NULL)
return NULL;
if (wchar_to_utf8_no_alloc(wstr, str, size) != size) {
sfree(str);
return NULL;
}
return str;
}
/*
* Converts an UTF8 string to UTF-16 (allocate returned string)
* Returns NULL on error
*/
static __inline wchar_t* utf8_to_wchar(const char* str)
{
int size = 0;
wchar_t* wstr = NULL;
if (str == NULL)
return NULL;
// Find out the size we need to allocate for our converted string
size = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0);
if (size <= 1) // An empty string would be size 1
return NULL;
if ((wstr = (wchar_t*)calloc(size, sizeof(wchar_t))) == NULL)
return NULL;
if (utf8_to_wchar_no_alloc(str, wstr, size) != size) {
sfree(wstr);
return NULL;
}
return wstr;
}
static __inline DWORD FormatMessageU(DWORD dwFlags, LPCVOID lpSource, DWORD dwMessageId,
DWORD dwLanguageId, char* lpBuffer, DWORD nSize, va_list *Arguments)
{
DWORD ret = 0, err = ERROR_INVALID_DATA;
walloc(lpBuffer, nSize);
ret = FormatMessageW(dwFlags, lpSource, dwMessageId, dwLanguageId, wlpBuffer, nSize, Arguments);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, nSize)) == 0)) {
err = GetLastError();
ret = 0;
}
wfree(lpBuffer);
SetLastError(err);
return ret;
}
// SendMessage, with LPARAM as UTF-8 string
static __inline LRESULT SendMessageLU(HWND hWnd, UINT Msg, WPARAM wParam, const char* lParam)
{
LRESULT ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lParam);
ret = SendMessageW(hWnd, Msg, wParam, (LPARAM)wlParam);
err = GetLastError();
wfree(lParam);
SetLastError(err);
return ret;
}
static __inline int DrawTextExU(HDC hDC, LPCSTR lpchText, int nCount, LPRECT lpRect, UINT uFormat, LPDRAWTEXTPARAMS lpDTParams)
{
int ret;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpchText);
ret = DrawTextExW(hDC, wlpchText, nCount, lpRect, uFormat, lpDTParams);
err = GetLastError();
wfree(lpchText);
SetLastError(err);
return ret;
}
static __inline BOOL SHGetPathFromIDListU(LPCITEMIDLIST pidl, char* pszPath)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
walloc(pszPath, MAX_PATH);
ret = SHGetPathFromIDListW(pidl, wpszPath);
err = GetLastError();
if ((ret) && (wchar_to_utf8_no_alloc(wpszPath, pszPath, MAX_PATH) == 0)) {
err = GetLastError();
ret = FALSE;
}
wfree(pszPath);
SetLastError(err);
return ret;
}
static __inline HWND CreateWindowU(char* lpClassName, char* lpWindowName,
DWORD dwStyle, int x, int y, int nWidth, int nHeight, HWND hWndParent,
HMENU hMenu, HINSTANCE hInstance, LPVOID lpParam)
{
HWND ret = NULL;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpClassName);
wconvert(lpWindowName);
ret = CreateWindowW(wlpClassName, wlpWindowName, dwStyle, x, y, nWidth, nHeight, hWndParent, hMenu, hInstance, lpParam);
err = GetLastError();
wfree(lpClassName);
wfree(lpWindowName);
SetLastError(err);
return ret;
}
static __inline int MessageBoxU(HWND hWnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType)
{
int ret;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpText);
wconvert(lpCaption);
ret = MessageBoxW(hWnd, wlpText, wlpCaption, uType);
err = GetLastError();
wfree(lpText);
wfree(lpCaption);
SetLastError(err);
return ret;
}
static __inline int MessageBoxExU(HWND hWnd, LPCSTR lpText, LPCSTR lpCaption, UINT uType, WORD wLanguageId)
{
int ret;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpText);
wconvert(lpCaption);
ret = MessageBoxExW(hWnd, wlpText, wlpCaption, uType, wLanguageId);
err = GetLastError();
wfree(lpText);
wfree(lpCaption);
SetLastError(err);
return ret;
}
static __inline int LoadStringU(HINSTANCE hInstance, UINT uID, LPSTR lpBuffer, int nBufferMax)
{
int ret;
DWORD err = ERROR_INVALID_DATA;
walloc(lpBuffer, nBufferMax);
ret = LoadStringW(hInstance, uID, wlpBuffer, nBufferMax);
err = GetLastError();
if ((ret > 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, nBufferMax)) == 0)) {
err = GetLastError();
}
wfree(lpBuffer);
SetLastError(err);
return ret;
}
static __inline int DrawTextU(HDC hDC, LPCSTR lpText, int nCount, LPRECT lpRect, UINT uFormat)
{
int ret;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpText);
ret = DrawTextW(hDC, wlpText, nCount, lpRect, uFormat);
err = GetLastError();
wfree(lpText);
SetLastError(err);
return ret;
}
static __inline int GetWindowTextU(HWND hWnd, char* lpString, int nMaxCount)
{
int ret = 0;
DWORD err = ERROR_INVALID_DATA;
walloc(lpString, nMaxCount);
ret = GetWindowTextW(hWnd, wlpString, nMaxCount);
err = GetLastError();
if ( (ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpString, lpString, nMaxCount)) == 0) ) {
err = GetLastError();
}
wfree(lpString);
SetLastError(err);
return ret;
}
static __inline BOOL SetWindowTextU(HWND hWnd, const char* lpString)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpString);
ret = SetWindowTextW(hWnd, wlpString);
err = GetLastError();
wfree(lpString);
SetLastError(err);
return ret;
}
static __inline int GetWindowTextLengthU(HWND hWnd)
{
int ret = 0;
DWORD err = ERROR_INVALID_DATA;
wchar_t* wbuf = NULL;
char* buf = NULL;
ret = GetWindowTextLengthW(hWnd);
err = GetLastError();
if (ret == 0) goto out;
wbuf = calloc(ret, sizeof(wchar_t));
err = GetLastError();
if (wbuf == NULL) {
err = ERROR_OUTOFMEMORY; ret = 0; goto out;
}
ret = GetWindowTextW(hWnd, wbuf, ret);
err = GetLastError();
if (ret == 0) goto out;
buf = wchar_to_utf8(wbuf);
err = GetLastError();
if (buf == NULL) {
err = ERROR_OUTOFMEMORY; ret = 0; goto out;
}
ret = (int)strlen(buf) + 2; // GetDlgItemText seems to add a character
err = GetLastError();
out:
sfree(wbuf);
sfree(buf);
SetLastError(err);
return ret;
}
static __inline UINT GetDlgItemTextU(HWND hDlg, int nIDDlgItem, char* lpString, int nMaxCount)
{
UINT ret = 0;
DWORD err = ERROR_INVALID_DATA;
walloc(lpString, nMaxCount);
ret = GetDlgItemTextW(hDlg, nIDDlgItem, wlpString, nMaxCount);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpString, lpString, nMaxCount)) == 0)) {
err = GetLastError();
}
wfree(lpString);
SetLastError(err);
return ret;
}
static __inline BOOL SetDlgItemTextU(HWND hDlg, int nIDDlgItem, const char* lpString)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpString);
ret = SetDlgItemTextW(hDlg, nIDDlgItem, wlpString);
err = GetLastError();
wfree(lpString);
SetLastError(err);
return ret;
}
static __inline BOOL InsertMenuU(HMENU hMenu, UINT uPosition, UINT uFlags, UINT_PTR uIDNewItem, const char* lpNewItem)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpNewItem);
ret = InsertMenuW(hMenu, uPosition, uFlags, uIDNewItem, wlpNewItem);
err = GetLastError();
wfree(lpNewItem);
SetLastError(err);
return ret;
}
static __inline int ComboBox_GetLBTextU(HWND hCtrl, int index, char* lpString)
{
int size;
DWORD err = ERROR_INVALID_DATA;
wchar_t* wlpString;
if (lpString == NULL)
return CB_ERR;
size = (int)SendMessageW(hCtrl, CB_GETLBTEXTLEN, (WPARAM)index, (LPARAM)0);
if (size < 0)
return size;
wlpString = (wchar_t*)calloc(size+1, sizeof(wchar_t));
size = (int)SendMessageW(hCtrl, CB_GETLBTEXT, (WPARAM)index, (LPARAM)wlpString);
err = GetLastError();
if (size > 0)
wchar_to_utf8_no_alloc(wlpString, lpString, size+1);
wfree(lpString);
SetLastError(err);
return size;
}
static __inline HANDLE CreateFileU(const char* lpFileName, DWORD dwDesiredAccess, DWORD dwShareMode,
LPSECURITY_ATTRIBUTES lpSecurityAttributes, DWORD dwCreationDisposition,
DWORD dwFlagsAndAttributes, HANDLE hTemplateFile)
{
HANDLE ret = INVALID_HANDLE_VALUE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpFileName);
ret = CreateFileW(wlpFileName, dwDesiredAccess, dwShareMode, lpSecurityAttributes,
dwCreationDisposition, dwFlagsAndAttributes, hTemplateFile);
err = GetLastError();
wfree(lpFileName);
SetLastError(err);
return ret;
}
static __inline BOOL CopyFileU(const char* lpExistingFileName, const char* lpNewFileName, BOOL bFailIfExists)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpExistingFileName);
wconvert(lpNewFileName);
ret = CopyFileW(wlpExistingFileName, wlpNewFileName, bFailIfExists);
err = GetLastError();
wfree(lpExistingFileName);
wfree(lpNewFileName);
SetLastError(err);
return ret;
}
static __inline BOOL DeleteFileU(const char* lpFileName)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpFileName);
ret = DeleteFileW(wlpFileName);
err = GetLastError();
wfree(lpFileName);
SetLastError(err);
return ret;
}
static __inline int PathGetDriveNumberU(char* lpPath)
{
int ret = 0;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpPath);
ret = PathGetDriveNumberW(wlpPath);
err = GetLastError();
wfree(lpPath);
SetLastError(err);
return ret;
}
// This function differs from regular GetTextExtentPoint in that it uses a zero terminated string
static __inline BOOL GetTextExtentPointU(HDC hdc, const char* lpString, LPSIZE lpSize)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpString);
if (wlpString == NULL)
return FALSE;
ret = GetTextExtentPoint32W(hdc, wlpString, (int)wcslen(wlpString), lpSize);
err = GetLastError();
wfree(lpString);
SetLastError(err);
return ret;
}
static __inline DWORD GetCurrentDirectoryU(DWORD nBufferLength, char* lpBuffer)
{
DWORD ret = 0, err = ERROR_INVALID_DATA;
walloc(lpBuffer, nBufferLength);
ret = GetCurrentDirectoryW(nBufferLength, wlpBuffer);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, nBufferLength)) == 0)) {
err = GetLastError();
}
wfree(lpBuffer);
SetLastError(err);
return ret;
}
static __inline UINT GetSystemDirectoryU(char* lpBuffer, UINT uSize)
{
UINT ret = 0, err = ERROR_INVALID_DATA;
walloc(lpBuffer, uSize);
ret = GetSystemDirectoryW(wlpBuffer, uSize);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, uSize)) == 0)) {
err = GetLastError();
}
wfree(lpBuffer);
SetLastError(err);
return ret;
}
static __inline UINT GetSystemWindowsDirectoryU(char* lpBuffer, UINT uSize)
{
UINT ret = 0, err = ERROR_INVALID_DATA;
walloc(lpBuffer, uSize);
ret = GetSystemWindowsDirectoryW(wlpBuffer, uSize);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, uSize)) == 0)) {
err = GetLastError();
}
wfree(lpBuffer);
SetLastError(err);
return ret;
}
static __inline DWORD GetTempPathU(DWORD nBufferLength, char* lpBuffer)
{
DWORD ret = 0, err = ERROR_INVALID_DATA;
walloc(lpBuffer, nBufferLength);
ret = GetTempPathW(nBufferLength, wlpBuffer);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, nBufferLength)) == 0)) {
err = GetLastError();
}
wfree(lpBuffer);
SetLastError(err);
return ret;
}
static __inline DWORD GetTempFileNameU(char* lpPathName, char* lpPrefixString, UINT uUnique, char* lpTempFileName)
{
DWORD ret = 0, err = ERROR_INVALID_DATA;
wconvert(lpPathName);
wconvert(lpPrefixString);
walloc(lpTempFileName, MAX_PATH);
ret = GetTempFileNameW(wlpPathName, wlpPrefixString, uUnique, wlpTempFileName);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpTempFileName, lpTempFileName, MAX_PATH)) == 0)) {
err = GetLastError();
}
wfree(lpTempFileName);
wfree(lpPrefixString);
wfree(lpPathName);
SetLastError(err);
return ret;
}
static __inline DWORD GetModuleFileNameU(HMODULE hModule, char* lpFilename, DWORD nSize)
{
DWORD ret = 0, err = ERROR_INVALID_DATA;
walloc(lpFilename, nSize);
ret = GetModuleFileNameW(hModule, wlpFilename, nSize);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpFilename, lpFilename, nSize)) == 0)) {
err = GetLastError();
}
wfree(lpFilename);
SetLastError(err);
return ret;
}
static __inline DWORD GetFullPathNameU(const char* lpFileName, DWORD nBufferLength, char* lpBuffer, char** lpFilePart)
{
DWORD ret = 0, err = ERROR_INVALID_DATA;
wchar_t* wlpFilePart;
wconvert(lpFileName);
walloc(lpBuffer, nBufferLength);
// lpFilePart is not supported
if (lpFilePart != NULL) goto out;
ret = GetFullPathNameW(wlpFileName, nBufferLength, wlpBuffer, &wlpFilePart);
err = GetLastError();
if ((ret != 0) && ((ret = wchar_to_utf8_no_alloc(wlpBuffer, lpBuffer, nBufferLength)) == 0)) {
err = GetLastError();
}
out:
wfree(lpBuffer);
wfree(lpFileName);
SetLastError(err);
return ret;
}
static __inline DWORD GetFileAttributesU(const char* lpFileName)
{
DWORD ret = 0xFFFFFFFF, err = ERROR_INVALID_DATA;
wconvert(lpFileName);
ret = GetFileAttributesW(wlpFileName);
err = GetLastError();
wfree(lpFileName);
SetLastError(err);
return ret;
}
static __inline int SHCreateDirectoryExU(HWND hwnd, const char* pszPath, SECURITY_ATTRIBUTES *psa)
{
int ret = ERROR_INVALID_DATA;
DWORD err = ERROR_INVALID_DATA;
wconvert(pszPath);
ret = SHCreateDirectoryExW(hwnd, wpszPath, psa);
err = GetLastError();
wfree(pszPath);
SetLastError(err);
return ret;
}
static __inline int SHDeleteDirectoryExU(HWND hwnd, const char* pszPath, FILEOP_FLAGS fFlags)
{
int ret;
// String needs to be double NULL terminated, so we just use the length of the UTF-8 string
// which is always expected to be larger than our UTF-16 one, and add 2 chars for good measure.
size_t wpszPath_len = strlen(pszPath) + 2;
walloc(pszPath, wpszPath_len);
SHFILEOPSTRUCTW shfo = { hwnd, FO_DELETE, wpszPath, NULL, fFlags, FALSE, NULL, NULL };
utf8_to_wchar_no_alloc(pszPath, wpszPath, (int)wpszPath_len);
// FOF_SILENT | FOF_NOERRORUI | FOF_NOCONFIRMATION,
ret = SHFileOperationW(&shfo);
wfree(pszPath);
return ret;
}
static __inline BOOL ShellExecuteExU(SHELLEXECUTEINFOA* lpExecInfo)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
SHELLEXECUTEINFOW wExecInfo;
// Because we're lazy, we'll assume that the A and W structs inherently have the same size
if (lpExecInfo->cbSize != sizeof(SHELLEXECUTEINFOW)) {
SetLastError(ERROR_BAD_LENGTH); return FALSE;
}
memcpy(&wExecInfo, lpExecInfo, lpExecInfo->cbSize);
wExecInfo.lpVerb = utf8_to_wchar(lpExecInfo->lpVerb);
wExecInfo.lpFile = utf8_to_wchar(lpExecInfo->lpFile);
wExecInfo.lpParameters = utf8_to_wchar(lpExecInfo->lpParameters);
wExecInfo.lpDirectory = utf8_to_wchar(lpExecInfo->lpDirectory);
if (wExecInfo.fMask & SEE_MASK_CLASSNAME) {
wExecInfo.lpClass = utf8_to_wchar(lpExecInfo->lpClass);
} else {
wExecInfo.lpClass = NULL;
}
ret = ShellExecuteExW(&wExecInfo);
err = GetLastError();
// Copy the returned values back
lpExecInfo->hInstApp = wExecInfo.hInstApp;
lpExecInfo->hProcess = wExecInfo.hProcess;
sfree(wExecInfo.lpVerb);
sfree(wExecInfo.lpFile);
sfree(wExecInfo.lpParameters);
sfree(wExecInfo.lpDirectory);
sfree(wExecInfo.lpClass);
SetLastError(err);
return ret;
}
// Doesn't support LPSTARTUPINFOEX struct
static __inline BOOL CreateProcessU(const char* lpApplicationName, const char* lpCommandLine, LPSECURITY_ATTRIBUTES lpProcessAttributes,
LPSECURITY_ATTRIBUTES lpThreadAttributes, BOOL bInheritHandles, DWORD dwCreationFlags,
LPVOID lpEnvironment, const char* lpCurrentDirectory, LPSTARTUPINFOA lpStartupInfo,
LPPROCESS_INFORMATION lpProcessInformation)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
STARTUPINFOW wStartupInfo;
wconvert(lpApplicationName);
wconvert(lpCommandLine);
wconvert(lpCurrentDirectory);
// Because we're lazy, we'll assume that the A and W structs inherently have the same size
// Also prevents the use of STARTUPINFOEX
if (lpStartupInfo->cb != sizeof(STARTUPINFOW)) {
err = ERROR_BAD_LENGTH; goto out;
}
memcpy(&wStartupInfo, lpStartupInfo, lpStartupInfo->cb);
wStartupInfo.lpDesktop = utf8_to_wchar(lpStartupInfo->lpDesktop);
wStartupInfo.lpTitle = utf8_to_wchar(lpStartupInfo->lpTitle);
ret = CreateProcessW(wlpApplicationName, wlpCommandLine, lpProcessAttributes, lpThreadAttributes, bInheritHandles,
dwCreationFlags, lpEnvironment, wlpCurrentDirectory, &wStartupInfo, lpProcessInformation);
err = GetLastError();
sfree(wStartupInfo.lpDesktop);
sfree(wStartupInfo.lpTitle);
out:
wfree(lpApplicationName);
wfree(lpCommandLine);
wfree(lpCurrentDirectory);
SetLastError(err);
return ret;
}
// NOTE: when used, nFileOffset & nFileExtension MUST be provided
// in number of Unicode characters, NOT number of UTF-8 bytes
static __inline BOOL WINAPI GetOpenSaveFileNameU(LPOPENFILENAMEA lpofn, BOOL save)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
size_t i, len;
OPENFILENAMEW wofn;
memset(&wofn, 0, sizeof(wofn));
wofn.lStructSize = sizeof(wofn);
wofn.hwndOwner = lpofn->hwndOwner;
wofn.hInstance = lpofn->hInstance;
// No support for custom filters
if (lpofn->lpstrCustomFilter != NULL) goto out;
// Count on Microsoft to use an moronic scheme for filters
// that relies on NULL separators and double NULL terminators
if (lpofn->lpstrFilter != NULL) {
// Replace the NULLs by something that can be converted
for (i=0; ; i++) {
if (lpofn->lpstrFilter[i] == 0) {
((char*)lpofn->lpstrFilter)[i] = '\r';
if (lpofn->lpstrFilter[i+1] == 0) {
break;
}
}
}
wofn.lpstrFilter = utf8_to_wchar(lpofn->lpstrFilter);
// And revert
len = wcslen(wofn.lpstrFilter); // don't use in the loop as it would be reevaluated
for (i=0; i<len; i++) {
if (wofn.lpstrFilter[i] == '\r') {
((wchar_t*)wofn.lpstrFilter)[i] = 0;
}
}
len = strlen(lpofn->lpstrFilter);
for (i=0; i<len; i++) {
if (lpofn->lpstrFilter[i] == '\r') {
((char*)lpofn->lpstrFilter)[i] = 0;
}
}
} else {
wofn.lpstrFilter = NULL;
}
wofn.nMaxCustFilter = lpofn->nMaxCustFilter;
wofn.nFilterIndex = lpofn->nFilterIndex;
wofn.lpstrFile = calloc(lpofn->nMaxFile, sizeof(wchar_t));
utf8_to_wchar_no_alloc(lpofn->lpstrFile, wofn.lpstrFile, lpofn->nMaxFile);
wofn.nMaxFile = lpofn->nMaxFile;
wofn.lpstrFileTitle = calloc(lpofn->nMaxFileTitle, sizeof(wchar_t));
utf8_to_wchar_no_alloc(lpofn->lpstrFileTitle, wofn.lpstrFileTitle, lpofn->nMaxFileTitle);
wofn.nMaxFileTitle = lpofn->nMaxFileTitle;
wofn.lpstrInitialDir = utf8_to_wchar(lpofn->lpstrInitialDir);
wofn.lpstrTitle = utf8_to_wchar(lpofn->lpstrTitle);
wofn.Flags = lpofn->Flags;
wofn.nFileOffset = lpofn->nFileOffset;
wofn.nFileExtension = lpofn->nFileExtension;
wofn.lpstrDefExt = utf8_to_wchar(lpofn->lpstrDefExt);
wofn.lCustData = lpofn->lCustData;
wofn.lpfnHook = lpofn->lpfnHook;
wofn.lpTemplateName = utf8_to_wchar(lpofn->lpTemplateName);
wofn.pvReserved = lpofn->pvReserved;
wofn.dwReserved = lpofn->dwReserved;
wofn.FlagsEx = lpofn->FlagsEx;
if (save) {
ret = GetSaveFileNameW(&wofn);
} else {
ret = GetOpenFileNameW(&wofn);
}
err = GetLastError();
if ( (ret)
&& ( (wchar_to_utf8_no_alloc(wofn.lpstrFile, lpofn->lpstrFile, lpofn->nMaxFile) == 0)
|| (wchar_to_utf8_no_alloc(wofn.lpstrFileTitle, lpofn->lpstrFileTitle, lpofn->nMaxFileTitle) == 0) ) ) {
err = GetLastError();
ret = FALSE;
}
out:
sfree(wofn.lpstrDefExt);
sfree(wofn.lpstrFile);
sfree(wofn.lpstrFileTitle);
sfree(wofn.lpstrFilter);
sfree(wofn.lpstrInitialDir);
sfree(wofn.lpstrTitle);
sfree(wofn.lpTemplateName);
SetLastError(err);
return ret;
}
extern BOOL WINAPI UpdateDriverForPlugAndPlayDevicesW(HWND hwndParent, LPCWSTR HardwareId,
LPCWSTR FullInfPath, DWORD InstallFlags, PBOOL bRebootRequired);
static __inline BOOL UpdateDriverForPlugAndPlayDevicesU(HWND hwndParent, const char* HardwareId, const char* FullInfPath,
DWORD InstallFlags, PBOOL bRebootRequired)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(HardwareId);
wconvert(FullInfPath);
ret = UpdateDriverForPlugAndPlayDevicesW(hwndParent, wHardwareId, wFullInfPath, InstallFlags, bRebootRequired);
err = GetLastError();
wfree(HardwareId);
wfree(FullInfPath);
SetLastError(err);
return ret;
}
static __inline BOOL SetupCopyOEMInfU(const char* SourceInfFileName, const char* OEMSourceMediaLocation, DWORD OEMSourceMediaType,
DWORD CopyStyle, char* DestinationInfFileName, DWORD DestinationInfFileNameSize,
PDWORD RequiredSize, PTSTR DestinationInfFileNameComponent)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(SourceInfFileName);
wconvert(OEMSourceMediaLocation);
walloc(DestinationInfFileName, DestinationInfFileNameSize);
// DestinationInfFileNameComponent is not supported
if (DestinationInfFileNameComponent != NULL) goto out;
ret = SetupCopyOEMInfW(wSourceInfFileName, wOEMSourceMediaLocation, OEMSourceMediaType, CopyStyle,
wDestinationInfFileName, DestinationInfFileNameSize, RequiredSize, NULL);
err = GetLastError();
if ((ret != FALSE) && ((ret = wchar_to_utf8_no_alloc(wDestinationInfFileName, DestinationInfFileName, DestinationInfFileNameSize)) == 0)) {
err = GetLastError();
}
out:
wfree(SourceInfFileName);
wfree(OEMSourceMediaLocation);
wfree(DestinationInfFileName);
SetLastError(err);
return ret;
}
static __inline int _chdirU(const char *dirname)
{
int ret;
wconvert(dirname);
ret = _wchdir(wdirname);
wfree(dirname);
return ret;
}
#if defined(_WIN32_WINNT) && (_WIN32_WINNT <= 0x501)
static __inline FILE* fopenU(const char* filename, const char* mode)
{
FILE* ret = NULL;
wconvert(filename);
wconvert(mode);
ret = _wfopen(wfilename, wmode);
wfree(filename);
wfree(mode);
return ret;
}
static __inline int _openU(const char *filename, int oflag, int pmode)
{
int ret = -1;
wconvert(filename);
ret = _wopen(wfilename, oflag, pmode);
wfree(filename);
return ret;
}
// returned UTF-8 string must be freed
static __inline char* getenvU(const char* varname)
{
wconvert(varname);
char* ret;
ret = wchar_to_utf8(_wgetenv(wvarname));
wfree(varname);
return ret;
}
#else
static __inline FILE* fopenU(const char* filename, const char* mode)
{
FILE* ret = NULL;
wconvert(filename);
wconvert(mode);
_wfopen_s(&ret, wfilename, wmode);
wfree(filename);
wfree(mode);
return ret;
}
static __inline int _openU(const char *filename, int oflag , int pmode)
{
int ret = -1;
int shflag = _SH_DENYNO;
wconvert(filename);
// Try to match the share flag to the oflag
if ((oflag & 0x03) == _O_RDONLY)
shflag = _SH_DENYWR;
else if ((oflag & 0x03) == _O_WRONLY)
shflag = _SH_DENYRD;
_wsopen_s(&ret, wfilename, oflag, shflag, pmode);
wfree(filename);
return ret;
}
// returned UTF-8 string must be freed
static __inline char* getenvU(const char* varname)
{
wconvert(varname);
char *ret;
wchar_t value[256];
size_t value_size;
// MinGW and WDK don't know wdupenv_s, so we use wgetenv_s
_wgetenv_s(&value_size, value, ARRAYSIZE(value), wvarname);
ret = wchar_to_utf8(value);
wfree(varname);
return ret;
}
#endif
static __inline int _mkdirU(const char* dirname)
{
wconvert(dirname);
int ret;
ret = _wmkdir(wdirname);
wfree(dirname);
return ret;
}
// The following expects PropertyBuffer to contain a single Unicode string
static __inline BOOL SetupDiGetDeviceRegistryPropertyU(HDEVINFO DeviceInfoSet, PSP_DEVINFO_DATA DeviceInfoData,
DWORD Property, PDWORD PropertyRegDataType, PBYTE PropertyBuffer, DWORD PropertyBufferSize, PDWORD RequiredSize)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
walloc(PropertyBuffer, PropertyBufferSize);
ret = SetupDiGetDeviceRegistryPropertyW(DeviceInfoSet, DeviceInfoData, Property,
PropertyRegDataType, (PBYTE)wPropertyBuffer, PropertyBufferSize, RequiredSize);
err = GetLastError();
if ((ret != 0) && (wchar_to_utf8_no_alloc(wPropertyBuffer,
(char*)(uintptr_t)PropertyBuffer, PropertyBufferSize) == 0)) {
err = GetLastError();
ret = FALSE;
}
wfree(PropertyBuffer);
SetLastError(err);
return ret;
}
static __inline BOOL GetVolumeInformationU(LPCSTR lpRootPathName, LPSTR lpVolumeNameBuffer,
DWORD nVolumeNameSize, LPDWORD lpVolumeSerialNumber, LPDWORD lpMaximumComponentLength,
LPDWORD lpFileSystemFlags, LPSTR lpFileSystemNameBuffer, DWORD nFileSystemNameSize)
{
BOOL ret = FALSE;
DWORD err = ERROR_INVALID_DATA;
wconvert(lpRootPathName);
walloc(lpVolumeNameBuffer, nVolumeNameSize);
walloc(lpFileSystemNameBuffer, nFileSystemNameSize);
ret = GetVolumeInformationW(wlpRootPathName, wlpVolumeNameBuffer, nVolumeNameSize,
lpVolumeSerialNumber, lpMaximumComponentLength, lpFileSystemFlags,
wlpFileSystemNameBuffer, nFileSystemNameSize);
err = GetLastError();
if (ret) {
if ( ((lpVolumeNameBuffer != NULL) && (wchar_to_utf8_no_alloc(wlpVolumeNameBuffer,
lpVolumeNameBuffer, nVolumeNameSize) == 0))
|| ((lpFileSystemNameBuffer != NULL) && (wchar_to_utf8_no_alloc(wlpFileSystemNameBuffer,
lpFileSystemNameBuffer, nFileSystemNameSize) == 0)) ) {
err = GetLastError();
ret = FALSE;
}
}
wfree(lpVolumeNameBuffer);
wfree(lpFileSystemNameBuffer);
wfree(lpRootPathName);
SetLastError(err);
return ret;
}
static __inline HMODULE LoadLibraryU(LPCSTR lpFileName)
{
HMODULE h;
wconvert(lpFileName);
h = LoadLibraryW(wlpFileName);
wfree(lpFileName);
return h;
}
#ifdef __cplusplus
}
#endif