#include <cstdlib>
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include <stdarg.h>
#include <string.h>
#include <wchar.h>

#include <sys/divm.h>
#include <sys/fault.h>
#include <dios.h>
#include <_PDCLIB_locale.h>
#include <_PDCLIB_aux.h>

#include <sys/time.h>
#include <time.h>

extern "C" {

#define NOT_IMPLEMENTED { __dios_fault( _VM_F_NotImplemented, "libc stubs" ); return 0; }
double atof( const char * ) noexcept NOT_IMPLEMENTED;
double strtod( const char *, char ** ) noexcept NOT_IMPLEMENTED;
float strtof( const char *, char ** ) noexcept NOT_IMPLEMENTED;
long double strtold( const char *, char ** ) noexcept NOT_IMPLEMENTED;
size_t mbsrtowcs( wchar_t *, const char **, size_t, mbstate_t * ) NOT_IMPLEMENTED;
wint_t btowc( int ) NOT_IMPLEMENTED;
int wctob( wint_t ) NOT_IMPLEMENTED;
size_t wcsnrtombs( char *, const wchar_t **, size_t, size_t, mbstate_t * ) NOT_IMPLEMENTED;
size_t mbsnrtowcs( wchar_t *, const char **, size_t, size_t, mbstate_t * ) NOT_IMPLEMENTED;

int wctomb( char *, wchar_t ) NOT_IMPLEMENTED;
size_t mbrlen( const char *, size_t, mbstate_t * ) NOT_IMPLEMENTED;
wchar_t *wmemset( wchar_t *, wchar_t, size_t ) NOT_IMPLEMENTED;
long wcstol( const wchar_t *, wchar_t **, int ) NOT_IMPLEMENTED;
long long wcstoll( const wchar_t *, wchar_t **, int ) NOT_IMPLEMENTED;
unsigned long wcstoul( const wchar_t *, wchar_t **, int ) NOT_IMPLEMENTED;
unsigned long long wcstoull( const wchar_t *, wchar_t **, int ) NOT_IMPLEMENTED;
double wcstod( const wchar_t *, wchar_t ** ) NOT_IMPLEMENTED;
float wcstof( const wchar_t *, wchar_t ** ) NOT_IMPLEMENTED;
long double wcstold( const wchar_t *, wchar_t ** ) NOT_IMPLEMENTED;

int wprintf( const wchar_t *, ... ) NOT_IMPLEMENTED;
int fwprintf( FILE *, const wchar_t *, ... ) NOT_IMPLEMENTED;
int swprintf( wchar_t *, size_t, const wchar_t *, ... ) NOT_IMPLEMENTED;

int vwprintf( const wchar_t *, va_list ) NOT_IMPLEMENTED;
int vfwprintf( FILE *, const wchar_t *, va_list ) NOT_IMPLEMENTED;
int vswprintf( wchar_t *, size_t, const wchar_t *, va_list ) NOT_IMPLEMENTED;

void tzset() { __dios_fault( _VM_F_NotImplemented, "tzset" ); };
int settimeofday(const struct timeval *, const struct timezone *) NOT_IMPLEMENTED;

int mbtowc( wchar_t *, const char *s, size_t )
{
    if ( s )/* not stateless */
        __dios_fault( _VM_F_NotImplemented, "mbtowc" );
    return 0;
}

int chown(const char* /*path*/, uid_t /*owner*/, gid_t /*group*/) NOT_IMPLEMENTED;


locale_t newlocale( int, const char *lc, locale_t ) {
    if ( strcmp( lc, "C" ) == 0 )
        return const_cast< locale_t >( &_PDCLIB_global_locale );

    __dios_fault( _VM_F_NotImplemented, "newlocale" );
    return 0;
}

int gettimeofday( struct timeval *tp, void * /* tzp */ ) {
    tp->tv_sec = 0;
    tp->tv_usec = 0;
    return 0;
}

}