#include "tzversion.h"
#include <stdlib.h>

const char *vers = AMIGA_VERSION_STRING;
char ** environ = NULL;

struct Library *DOSBase      = NULL;
struct Library *TimezoneBase = NULL;

void amiga_open_lib_error(char *name, int version)
{
    FPrintf(Output(), (STRPTR)OPEN_VER_ERROR, name, version);
}

void amiga_close_libs()
{
    if (TimezoneBase != NULL) {
        CloseLibrary(TimezoneBase);
        TimezoneBase = NULL;
    }
    
    if (DOSBase != NULL) {
        CloseLibrary(DOSBase);
        DOSBase = NULL;
    }
}

int amiga_open_libs()
{
    atexit(amiga_close_libs);
    
    DOSBase = OpenLibrary((STRPTR)DOSLIB_NAME, DOSLIB_REV);
    if(!DOSBase) {
        amiga_open_lib_error(DOSLIB_NAME, DOSLIB_REV);
        return 5;
    }
    
    TimezoneBase = OpenLibrary((CONST_STRPTR)TIMEZONELIB_NAME, TIMEZONELIB_REV);
    if(!TimezoneBase) {
        amiga_open_lib_error(TIMEZONELIB_NAME, TIMEZONELIB_REV);
        return 5;
    }
    
    return 0;
}