mirror of
https://github.com/arduino/Arduino.git
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265 lines
8.4 KiB
C++
265 lines
8.4 KiB
C++
// -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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// launcher.cpp : Defines the class behaviors for the application.
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//
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// The size of all of the strings was made sort of ambiguously large, since
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// 1) nothing is hurt by allocating an extra few bytes temporarily and
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// 2) if the user has a long path, and it gets copied five times over for the
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// classpath, the program runs the risk of crashing. Bad bad.
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#define JAVA_ARGS "-Xms128m -Xmx128m "
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#define JAVA_MAIN_CLASS "processing.app.Base"
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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int STDCALL
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WinMain (HINSTANCE hInst, HINSTANCE hPrev, LPSTR lpCmd, int nShow)
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{
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// all these malloc statements... things may need to be larger.
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// what was passed to this application
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char *incoming_cmdline = (char *)malloc(strlen(lpCmd) * sizeof(char));
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strcpy (incoming_cmdline, lpCmd);
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// what gets put together to pass to jre
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char *outgoing_cmdline = (char *)malloc(16384 * sizeof(char));
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// prepend the args for -mx and -ms
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strcpy(outgoing_cmdline, JAVA_ARGS);
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// append the classpath and launcher.Application
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char *loaddir = (char *)malloc(MAX_PATH * sizeof(char));
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*loaddir = 0;
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GetModuleFileName(NULL, loaddir, MAX_PATH);
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// remove the application name
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*(strrchr(loaddir, '\\')) = '\0';
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char *cp = (char *)malloc(8 * strlen(loaddir) + 4096);
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// if this code looks shitty, that's because it is. people are
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// likely to have the durndest things in their CLASSPATH and QTJAVA
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// environment variables. mostly because installers often mangle
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// them without the user knowing. so who knows where and when the
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// quotes will show up. this is a guess at dealing with the things,
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// without spending a whole day to make it overly robust. [fry]
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// test to see if running with a java runtime nearby or not
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char *testpath = (char *)malloc(MAX_PATH * sizeof(char));
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*testpath = 0;
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strcpy(testpath, loaddir);
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strcat(testpath, "\\java\\bin\\java.exe");
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FILE *fp = fopen(testpath, "rb");
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int local_jre_installed = (fp != NULL);
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//char *rt_jar = (fp == NULL) ? "" : "java\\lib\\rt.jar;";
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if (fp != NULL) fclose(fp); // argh! this was probably causing trouble
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//MessageBox(NULL, local_jre_installed ?
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// "local jre installed" : "couldn't find jre", "p5", MB_OK);
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//const char *envClasspath = getenv("CLASSPATH");
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char *env_classpath = (char *)malloc(16384 * sizeof(char));
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// ignoring CLASSPATH for now, because it's not needed
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// and causes more trouble than it's worth [0060]
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env_classpath[0] = 0;
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/*
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// keep this code around since may be re-enabled later
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if (getenv("CLASSPATH") != NULL) {
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strcpy(env_classpath, getenv("CLASSPATH"));
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if (env_classpath[0] == '\"') {
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// starting quote in classpath.. yech
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env_classpath++; // shitty.. i know..
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int len = strlen(env_classpath);
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if (env_classpath[len-1] == '\"') {
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env_classpath[len-1] = 0;
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} else {
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// a starting quote but no ending quote.. ugh
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// maybe throw an error
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}
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}
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int last = strlen(env_classpath);
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env_classpath[last++] = ';';
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env_classpath[last] = 0;
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} else {
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env_classpath[0] = 0;
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}
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*/
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char *qtjava_path = (char *)malloc(16384 * sizeof(char));
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qtjava_path[0] = 0;
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if (getenv("WINDIR") == NULL) {
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// uh-oh.. serious problem.. gonna have to report this
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// but hopefully WINDIR is set on win98 too
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} else {
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strcpy(qtjava_path, getenv("WINDIR"));
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strcat(qtjava_path, "\\SYSTEM32\\QTJava.zip");
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FILE *fp = fopen(qtjava_path, "rb");
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if (fp != NULL) {
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fclose(fp); // found it, all set
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strcat(qtjava_path, ";"); // add path separator
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} else {
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strcpy(qtjava_path, getenv("WINDIR"));
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strcat(qtjava_path, "\\SYSTEM\\QTJava.zip");
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fp = fopen(qtjava_path, "rb");
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if (fp != NULL) {
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fclose(fp); // found it, all set
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strcat(qtjava_path, ";"); // add path separator
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} else {
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// doesn't seem to be installed, which is a problem.
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// but the error will be reported by the pde
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qtjava_path[0] = 0;
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}
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}
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}
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// NO! put quotes around contents of cp, because %s might have spaces in it.
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// don't put quotes in it, because it's setting the environment variable
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// for CLASSPATH, not being included on the command line. so setting the
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// env var it's ok to have spaces, and the quotes prevent
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// javax.comm.properties from being found.
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sprintf(cp,
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//"\"" // begin quote
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//"'"
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"%s" // local jre or blank
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"%s" // qtjava path
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"%s\\lib;"
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"%s\\lib\\build;"
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"%s\\lib\\pde.jar;"
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"%s\\lib\\core.jar;"
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"%s\\lib\\mrj.jar;"
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"%s\\lib\\oro.jar;"
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"%s\\lib\\registry.jar;"
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"%s\\lib\\antlr.jar;"
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"%s", // original CLASSPATH
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//"C:\\WINNT\\system32\\QTJava.zip;" // worthless
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//"C:\\WINDOWS\\system32\\QTJava.zip;"
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//"\"", // end quote
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//"'",
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//,
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// the first three %s args
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//local_jre_installed ? "java\\lib\\rt.jar;java\\lib\\jaws.jar;" : "",
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local_jre_installed ? "java\\lib\\rt.jar;" : "",
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qtjava_path,
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loaddir, loaddir, loaddir, loaddir,
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loaddir, loaddir, loaddir, loaddir,
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env_classpath);
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//MessageBox(NULL, cp, "it's twoo! it's twoo!", MB_OK);
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if (!SetEnvironmentVariable("CLASSPATH", cp)) {
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MessageBox(NULL, "Could not set CLASSPATH environment variable",
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"Processing Error", MB_OK);
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return 0;
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}
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// need to add the local jre to the path for 'java mode' in the env
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if (local_jre_installed) {
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char *env_path = (char *)malloc(strlen(getenv("PATH")) * sizeof(char));
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strcpy(env_path, getenv("PATH"));
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char *paf = (char *)malloc((strlen(env_path) + strlen(loaddir) + 32) * sizeof(char));
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sprintf(paf, "%s\\java\\bin;%s", loaddir, env_path);
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if (!SetEnvironmentVariable("PATH", paf)) {
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MessageBox(NULL, "Could not set PATH environment variable",
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"Processing Error", MB_OK);
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return 0;
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}
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}
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//MessageBox(NULL, cp, "whaadddup", MB_OK);
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// add the name of the class to execute and a space before the next arg
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strcat(outgoing_cmdline, JAVA_MAIN_CLASS " ");
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// append additional incoming stuff (document names), if any
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strcat(outgoing_cmdline, incoming_cmdline);
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char *executable = (char *)malloc((strlen(loaddir) + 256) * sizeof(char));
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// loaddir is the name path to the current application
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//if (localJreInstalled) {
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if (local_jre_installed) {
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strcpy(executable, loaddir);
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// copy in the path for javaw, relative to launcher.exe
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strcat(executable, "\\java\\bin\\javaw.exe");
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} else {
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strcpy(executable, "javaw.exe");
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}
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SHELLEXECUTEINFO ShExecInfo;
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// set up the execution info
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ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
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ShExecInfo.fMask = 0;
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ShExecInfo.hwnd = 0;
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ShExecInfo.lpVerb = "open";
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ShExecInfo.lpFile = executable;
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ShExecInfo.lpParameters = outgoing_cmdline;
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ShExecInfo.lpDirectory = loaddir;
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ShExecInfo.nShow = SW_SHOWNORMAL;
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ShExecInfo.hInstApp = NULL;
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if (!ShellExecuteEx(&ShExecInfo)) {
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MessageBox(NULL, "Error calling ShellExecuteEx()",
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"Processing Error", MB_OK);
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return 0;
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}
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if (reinterpret_cast<int>(ShExecInfo.hInstApp) <= 32) {
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// some type of error occurred
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switch (reinterpret_cast<int>(ShExecInfo.hInstApp)) {
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case ERROR_FILE_NOT_FOUND:
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case ERROR_PATH_NOT_FOUND:
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MessageBox(NULL, "A required file could not be found. \n"
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"You may need to install a Java runtime\n"
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"or re-install Processing.",
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"Processing Error", MB_OK);
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break;
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case 0:
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case SE_ERR_OOM:
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MessageBox(NULL, "Not enough memory or resources to run at"
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" this time.", "Processing Error", MB_OK);
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break;
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default:
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MessageBox(NULL, "There is a problem with your installation.\n"
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"If the problem persists, re-install the program.",
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"Processing Error", MB_OK);
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break;
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}
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}
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return 0;
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}
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