/*
 * Prototypes for functions internal to launcher.
 */
static void SetClassPath(const char *s);
static void SelectVersion(int argc, char **argv, char **main_class);
static jboolean ParseArguments(int *pargc, char ***pargv, char **pjarfile,
			       char **pclassname, int *pret, const char *jvmpath);
static jboolean InitializeJVM(JavaVM **pvm, JNIEnv **penv,
			      InvocationFunctions *ifn);
static jstring NewPlatformString(JNIEnv *env, char *s);
static jobjectArray NewPlatformStringArray(JNIEnv *env, char **strv, int strc);
static jclass LoadClass(JNIEnv *env, char *name);
static jstring GetMainClassName(JNIEnv *env, char *jarname);
static void SetJavaCommandLineProp(char* classname, char* jarfile, int argc, char** argv);
static void SetJavaLauncherProp(void);

#ifdef JAVA_ARGS
static void TranslateApplicationArgs(int *pargc, char ***pargv);
static jboolean AddApplicationOptions(void);
#endif

static void PrintJavaVersion(JNIEnv *env);
static void PrintUsage(void);
static jint PrintXUsage(const char *jvmpath);

static void SetPaths(int argc, char **argv);

/* Maximum supported entries from jvm.cfg. */
#define INIT_MAX_KNOWN_VMS	10
/* Values for vmdesc.flag */ 
#define VM_UNKNOWN		-1
#define VM_KNOWN		 0
#define VM_ALIASED_TO		 1
#define VM_WARN			 2
#define VM_ERROR		 3
#define VM_IF_SERVER_CLASS	 4
#define VM_IGNORE		 5
struct vmdesc {
    char *name;
    int flag;
    char *alias;
    char *server_class;
};
static struct vmdesc *knownVMs = NULL;
static int knownVMsCount = 0;
static int knownVMsLimit = 0;

static void GrowKnownVMs();
static int  KnownVMIndex(const char* name);
static void FreeKnownVMs(); 
static void ShowSplashScreen();

jboolean ServerClassMachine();

/* flag which if set suppresses error messages from the launcher */
static int noExitErrorMessage = 0;

/*
 * Running Java code in primordial thread caused many problems. We will
 * create a new thread to invoke JVM. See 6316197 for more information.
 */
static jlong threadStackSize = 0;  /* stack size of the new thread */

int JNICALL JavaMain(void * args); /* entry point                  */

struct JavaMainArgs {
  int     argc;
  char ** argv;
  char *  jarfile;
  char *  classname;
  InvocationFunctions ifn;
};

/*
 * Entry point.
 */
int
main(int argc, char ** argv)
{
    char *jarfile = 0;
    char *classname = 0;
    char *s = 0;
    char *main_class = NULL;
    int ret;
    InvocationFunctions ifn;
    jlong start, end;
    char jrepath[MAXPATHLEN], jvmpath[MAXPATHLEN];
    char ** original_argv = argv;

    if (getenv("_JAVA_LAUNCHER_DEBUG") != 0) {
	_launcher_debug = JNI_TRUE;
	printf("----_JAVA_LAUNCHER_DEBUG----\n");
    }

    /*
     * Make sure the specified version of the JRE is running.
     *
     * There are three things to note about the SelectVersion() routine:
     *	1) If the version running isn't correct, this routine doesn't
     *	   return (either the correct version has been exec'd or an error