mirror of
https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-06 06:32:56 +01:00
311 lines
6.9 KiB
C
311 lines
6.9 KiB
C
/*****************************************************************************
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* Copyright (c) 2014 Ted John
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* OpenRCT2, an open source clone of Roller Coaster Tycoon 2.
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*
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* This file is part of OpenRCT2.
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*
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* OpenRCT2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*****************************************************************************/
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#ifdef _WIN32
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#include <windows.h>
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#include "../addresses.h"
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#include "../cmdline.h"
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#include "../openrct2.h"
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#include "platform.h"
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// The name of the mutex used to prevent multiple instances of the game from running
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#define SINGLE_INSTANCE_MUTEX_NAME "RollerCoaster Tycoon 2_GSKMUTEX"
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LPSTR *CommandLineToArgvA(LPSTR lpCmdLine, int *argc);
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/**
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* Windows entry point to OpenRCT2 without a console window.
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*/
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// int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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// {
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// return 0;
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// }
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/**
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* Windows entry point to OpenRCT2 with a console window using a traditional C main function.
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*/
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// int main(char *argv[], int argc)
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// {
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// return 0;
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// }
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/**
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* Entry point for when the DLL is loaded. This will be removed when OpenRCT2 can be built as a stand alone application.
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*/
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BOOL APIENTRY DllMain(HANDLE hModule, DWORD dwReason, LPVOID lpReserved)
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{
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return TRUE;
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}
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/**
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* The function that is called directly from the host application (rct2.exe)'s WinMain. This will be removed when OpenRCT2 can
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* be built as a stand alone application.
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*/
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__declspec(dllexport) int StartOpenRCT(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
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{
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int argc, runGame;
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char **argv;
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RCT2_GLOBAL(RCT2_ADDRESS_HINSTANCE, HINSTANCE) = hInstance;
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RCT2_GLOBAL(RCT2_ADDRESS_CMDLINE, LPSTR) = lpCmdLine;
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// Get command line arguments in standard form
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argv = CommandLineToArgvA(lpCmdLine, &argc);
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runGame = cmdline_run(argv, argc);
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GlobalFree(argv);
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if (runGame)
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openrct2_launch();
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return gExitCode;
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}
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char platform_get_path_separator()
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{
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return '\\';
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}
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int platform_file_exists(const char *path)
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{
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return !(GetFileAttributes(path) == INVALID_FILE_ATTRIBUTES && GetLastError() == ERROR_FILE_NOT_FOUND);
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}
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int platform_directory_exists(const char *path)
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{
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DWORD dwAttrib = GetFileAttributes(path);
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return dwAttrib != INVALID_FILE_ATTRIBUTES && (dwAttrib & FILE_ATTRIBUTE_DIRECTORY);
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}
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int platform_ensure_directory_exists(const char *path)
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{
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if (platform_directory_exists(path))
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return 1;
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return CreateDirectory(path, NULL);
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}
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int platform_lock_single_instance()
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{
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HANDLE mutex, status;
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// Check if operating system mutex exists
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mutex = OpenMutex(MUTEX_ALL_ACCESS, FALSE, SINGLE_INSTANCE_MUTEX_NAME);
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if (mutex == NULL) {
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// Create new mutex
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status = CreateMutex(NULL, FALSE, SINGLE_INSTANCE_MUTEX_NAME);
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if (status == NULL)
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fprintf(stderr, "unable to create mutex\n");
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return 1;
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} else {
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// Already running
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CloseHandle(mutex);
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return 0;
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}
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}
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typedef struct {
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char active;
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char pattern[MAX_PATH];
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HANDLE handle;
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WIN32_FIND_DATAA data;
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} enumerate_file_info;
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static enumerate_file_info _enumerateFileInfoList[8] = { 0 };
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int platform_enumerate_files_begin(const char *pattern)
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{
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int i;
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enumerate_file_info *enumFileInfo;
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for (i = 0; i < countof(_enumerateFileInfoList); i++) {
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enumFileInfo = &_enumerateFileInfoList[i];
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if (!enumFileInfo->active) {
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strncpy(enumFileInfo->pattern, pattern, MAX_PATH);
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enumFileInfo->handle = NULL;
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enumFileInfo->active = 1;
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return i;
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}
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}
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return INVALID_HANDLE;
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}
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int platform_enumerate_files_next(int handle, file_info *outFileInfo)
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{
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int result;
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enumerate_file_info *enumFileInfo;
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HANDLE findFileHandle;
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enumFileInfo = &_enumerateFileInfoList[handle];
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if (enumFileInfo->handle == NULL) {
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findFileHandle = FindFirstFile(enumFileInfo->pattern, &enumFileInfo->data);
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if (findFileHandle != INVALID_HANDLE_VALUE) {
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enumFileInfo->handle = findFileHandle;
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result = 1;
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} else {
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result = 0;
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}
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} else {
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result = FindNextFile(enumFileInfo->handle, &enumFileInfo->data);
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}
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if (result) {
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outFileInfo->path = enumFileInfo->data.cFileName;
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outFileInfo->size = ((uint64)enumFileInfo->data.nFileSizeHigh << 32ULL) | (uint64)enumFileInfo->data.nFileSizeLow;
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outFileInfo->last_modified = ((uint64)enumFileInfo->data.ftLastWriteTime.dwHighDateTime << 32ULL) | (uint64)enumFileInfo->data.ftLastWriteTime.dwLowDateTime;
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return 1;
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} else {
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return 0;
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}
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}
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void platform_enumerate_files_end(int handle)
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{
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enumerate_file_info *enumFileInfo;
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enumFileInfo = &_enumerateFileInfoList[handle];
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if (enumFileInfo->handle != NULL) {
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FindClose(enumFileInfo->handle);
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enumFileInfo->handle = NULL;
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}
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enumFileInfo->active = 0;
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}
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void platform_hide_cursor()
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{
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ShowCursor(FALSE);
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}
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void platform_show_cursor()
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{
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ShowCursor(TRUE);
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}
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void platform_get_cursor_position(int *x, int *y)
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{
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POINT point;
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if (GetCursorPos(&point)) {
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*x = point.x;
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*y = point.y;
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} else {
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*x = INT32_MIN;
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*y = INT32_MIN;
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}
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}
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void platform_set_cursor_position(int x, int y)
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{
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SetCursorPos(x, y);
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}
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unsigned int platform_get_ticks()
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{
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return GetTickCount();
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}
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/**
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* http://alter.org.ua/en/docs/win/args/
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*/
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PCHAR *CommandLineToArgvA(PCHAR CmdLine, int *_argc)
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{
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PCHAR* argv;
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PCHAR _argv;
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ULONG len;
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ULONG argc;
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CHAR a;
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ULONG i, j;
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BOOLEAN in_QM;
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BOOLEAN in_TEXT;
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BOOLEAN in_SPACE;
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len = strlen(CmdLine);
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i = ((len + 2) / 2)*sizeof(PVOID) + sizeof(PVOID);
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argv = (PCHAR*)GlobalAlloc(GMEM_FIXED,
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i + (len + 2)*sizeof(CHAR) + 1);
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_argv = (PCHAR)(((PUCHAR)argv) + i);
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// Add in virtual 1st command line argument, process path, for arg_parse's sake.
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argv[0] = 0;
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argc = 1;
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argv[argc] = _argv;
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in_QM = FALSE;
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in_TEXT = FALSE;
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in_SPACE = TRUE;
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i = 0;
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j = 0;
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while (a = CmdLine[i]) {
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if (in_QM) {
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if (a == '\"') {
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in_QM = FALSE;
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} else {
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_argv[j] = a;
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j++;
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}
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} else {
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switch (a) {
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case '\"':
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in_QM = TRUE;
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in_TEXT = TRUE;
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if (in_SPACE) {
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argv[argc] = _argv + j;
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argc++;
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}
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in_SPACE = FALSE;
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break;
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case ' ':
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case '\t':
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case '\n':
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case '\r':
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if (in_TEXT) {
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_argv[j] = '\0';
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j++;
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}
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in_TEXT = FALSE;
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in_SPACE = TRUE;
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break;
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default:
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in_TEXT = TRUE;
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if (in_SPACE) {
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argv[argc] = _argv + j;
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argc++;
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}
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_argv[j] = a;
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j++;
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in_SPACE = FALSE;
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break;
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}
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}
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i++;
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}
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_argv[j] = '\0';
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argv[argc] = NULL;
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(*_argc) = argc;
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return argv;
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}
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#endif |