2002-08-15 11:46:18 -04:00
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/*
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* Copyright (c) 2002 Light Weight Java Game Library Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* * Neither the name of 'Light Weight Java Game Library' nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* $Id$
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* Win32 system library.
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2002-08-11 07:49:32 -04:00
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*
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2002-08-15 11:46:18 -04:00
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* @author cix_foo <cix_foo@users.sourceforge.net>
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* @version $Revision$
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2002-08-11 07:49:32 -04:00
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*/
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#include <windows.h>
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#include "org_lwjgl_Sys.h"
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2002-12-22 14:52:44 -05:00
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// Handle to the application's window
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extern HWND hwnd;
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2002-08-11 07:49:32 -04:00
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__int64 hires_timer_freq; // Hires timer frequency
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__int64 hires_timer_start; // Hires timer start
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__int64 hires_timer; // Hires timer current time
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/*
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* Class: org_lwjgl_Sys
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* Method: getTimerResolution
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* Signature: ()J
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*/
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JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTimerResolution
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(JNIEnv * env, jclass clazz)
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{
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return hires_timer_freq;
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}
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/*
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* Class: org_lwjgl_Sys
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* Method: getTime
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* Signature: ()J
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*/
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JNIEXPORT jlong JNICALL Java_org_lwjgl_Sys_getTime
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(JNIEnv * env, jclass clazz)
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{
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QueryPerformanceCounter((LARGE_INTEGER*) &hires_timer);
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hires_timer -= hires_timer_start;
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return hires_timer;
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}
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/*
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* Class: org_lwjgl_Sys
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* Method: setTime
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* Signature: (J)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setTime
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(JNIEnv * env, jclass clazz, jlong startTime)
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{
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QueryPerformanceFrequency((LARGE_INTEGER*) &hires_timer_freq);
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QueryPerformanceCounter((LARGE_INTEGER*) &hires_timer_start);
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hires_timer_start -= startTime;
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}
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/*
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* Class: org_lwjgl_Sys
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* Method: setProcessPriority
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* Signature: (I)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_setProcessPriority
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(JNIEnv * env, jclass clazz, jint priority)
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{
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HANDLE me = GetCurrentProcess();
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int win32priority;
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switch (priority) {
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case org_lwjgl_Sys_REALTIME_PRIORITY:
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win32priority = REALTIME_PRIORITY_CLASS;
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break;
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case org_lwjgl_Sys_HIGH_PRIORITY:
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win32priority = HIGH_PRIORITY_CLASS;
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break;
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case org_lwjgl_Sys_NORMAL_PRIORITY:
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win32priority = NORMAL_PRIORITY_CLASS;
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break;
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case org_lwjgl_Sys_LOW_PRIORITY:
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win32priority = IDLE_PRIORITY_CLASS;
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break;
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default:
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return;
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}
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if (!SetPriorityClass(me, win32priority)) {
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#ifdef _DEBUG
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printf("Failed to set priority class.\n");
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#endif
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}
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}
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2002-12-22 14:52:44 -05:00
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/*
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* Class: org_lwjgl_Sys
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* Method: alert
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* Signature: (Ljava/lang/String;Ljava/lang/String;)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_alert
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(JNIEnv * env, jclass clazz, jstring title, jstring message)
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{
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jboolean copy = JNI_FALSE;
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const char * eMessageText = env->GetStringUTFChars(message, ©);
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const char * cTitleBarText = env->GetStringUTFChars(title, ©);
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MessageBox(hwnd, eMessageText, cTitleBarText, MB_OK | MB_TOPMOST);
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#ifdef _DEBUG
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printf("*** Alert ***%s\n%s\n", cTitleBarText, eMessageText);
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#endif
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env->ReleaseStringUTFChars(message, eMessageText);
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env->ReleaseStringUTFChars(title, cTitleBarText);
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}
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2003-08-07 17:53:06 -04:00
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// Cas: I've left this here as sometimes it's handy to just pop it back in to debug stuff
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/*
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* Class: org_lwjgl_Sys
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* Method: getDirectBufferAddress
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* Signature: (Ljava/nio/Buffer;)I
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JNIEXPORT jint JNICALL Java_org_lwjgl_Sys_getDirectBufferAddress
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(JNIEnv * env, jclass clazz, jobject buf)
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{
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return (jint) env->GetDirectBufferAddress(buf);
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}
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*/
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2003-10-28 11:23:17 -05:00
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/*
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* Class: org_lwjgl_Sys
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* Method: openURL
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* Signature: (Ljava/lang/String;)V
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*/
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JNIEXPORT void JNICALL Java_org_lwjgl_Sys_openURL
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(JNIEnv * env, jclass clazz, jstring url)
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{
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const char * urlString = env->GetStringUTFChars(url, NULL);
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char command[256];
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strcpy(command, "");
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strcat(command, "rundll32 url.dll,FileProtocolHandler ");
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strncat(command, urlString, 200); // Prevent buffer overflow
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env->ReleaseStringUTFChars(url, urlString);
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STARTUPINFO si;
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PROCESS_INFORMATION pi;
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ZeroMemory( &si, sizeof(si) );
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si.cb = sizeof(si);
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ZeroMemory( &pi, sizeof(pi) );
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// Start the child process.
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if( !CreateProcess( NULL, // No module name (use command line).
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command, // Command line.
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NULL, // Process handle not inheritable.
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NULL, // Thread handle not inheritable.
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FALSE, // Set handle inheritance to FALSE.
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0, // No creation flags.
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NULL, // Use parent's environment block.
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NULL, // Use parent's starting directory.
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&si, // Pointer to STARTUPINFO structure.
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&pi ) // Pointer to PROCESS_INFORMATION structure.
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)
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{
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#ifdef _DEBUG
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printf("Failed to open URL %s\n", urlString);
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#endif
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}
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// Close process and thread handles.
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CloseHandle( pi.hProcess );
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CloseHandle( pi.hThread );
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}
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