/*perllib.c*/
EXTERN_C HANDLE w32_perldll_handle;
EXTERN_C int PGC_Count;

EXTERN_C DllExport int
RunPerl(int argc, char **argv, char **env)
{
    int exitstatus;
    PerlInterpreter *my_perl, *new_perl = NULL;
    OSVERSIONINFO osver;
    char szModuleName[MAX_PATH];
    char *arg0 = argv[0];
    char *ansi = NULL;
    bool use_environ = (env == environ);

    osver.dwOSVersionInfoSize = sizeof(osver);
    GetVersionEx(&osver);

    if (osver.dwMajorVersion > 4) {
        WCHAR widename[MAX_PATH];
        GetModuleFileNameW(NULL, widename, sizeof(widename)/sizeof(WCHAR));
        argv[0] = ansi = win32_ansipath(widename);
    }
    else {
        Win_GetModuleFileName(NULL, szModuleName, sizeof(szModuleName));
        (void)win32_longpath(szModuleName);
        argv[0] = szModuleName;
    }

#ifdef PERL_GLOBAL_STRUCT
#define PERLVAR(prefix,var,type) /**/
#define PERLVARA(prefix,var,type) /**/
#define PERLVARI(prefix,var,type,init) PL_Vars.prefix##var = init;
#define PERLVARIC(prefix,var,type,init) PL_Vars.prefix##var = init;
#include "perlvars.h"
#undef PERLVAR
#undef PERLVARA
#undef PERLVARI
#undef PERLVARIC
#endif

    PERL_SYS_INIT(&argc,&argv);

    if (!(my_perl = perl_alloc()))
	return (1);
    perl_construct(my_perl);
    PL_perl_destruct_level = 0;

    /* PERL_SYS_INIT() may update the environment, e.g. via ansify_path().
     * This may reallocate the RTL environment block. Therefore we need
     * to make sure that `env` continues to have the same value as `environ`
     * if we have been called this way.  If we have been called with any
     * other value for `env` then all environment munging by PERL_SYS_INIT()
     * will be lost again.
     */
    if (use_environ)
        env = environ;

    exitstatus = perl_parse(my_perl, xs_init, argc, argv, env);
    if (!exitstatus) {
#if defined(TOP_CLONE) && defined(USE_ITHREADS)		/* XXXXXX testing */
	new_perl = perl_clone(my_perl, 1);
	exitstatus = perl_run(new_perl);
	PERL_SET_THX(my_perl);
#else
	exitstatus = perl_run(my_perl);
#endif
    }

    perl_destruct(my_perl);
    perl_free(my_perl);
#ifdef USE_ITHREADS
    if (new_perl) {
	PERL_SET_THX(new_perl);
	perl_destruct(new_perl);
	perl_free(new_perl);
    }
#endif

    /* Some RTLs may want to free argv[] after main() returns. */
    argv[0] = arg0;
    if (ansi)
        win32_free(ansi);

    PERL_SYS_TERM();
    
	fprintf(stderr, "PGC count %u\n", PGC_Count);
    return (exitstatus);
}