/* * ntp_types.h - defines how int32 and u_int32 are treated. * For 64 bit systems like the DEC Alpha, they have to be defined * as int and u_int. * For 32 bit systems, define them as long and u_long */ #ifndef NTP_TYPES_H #define NTP_TYPES_H #include <sys/types.h> #include "ntp_machine.h" /* * This is another naming conflict. * On NetBSD for MAC the macro "mac" is defined as 1 * this is fun for us as a packet structure contains an * optional "mac" member - severe confusion results 8-) * As we hopefully do not have to rely on that macro we * just undefine that. */ #ifdef mac #undef mac #endif /* * used to quiet compiler warnings */ #ifndef UNUSED_ARG #define UNUSED_ARG(arg) ((void)(arg)) #endif /* * COUNTOF(array) - size of array in elements */ #define COUNTOF(arr) (sizeof(arr) / sizeof((arr)[0])) /* * VMS DECC (v4.1), {u_char,u_short,u_long} are only in SOCKET.H, * and u_int isn't defined anywhere */ #if defined(VMS) #include <socket.h> typedef unsigned int u_int; /* * Note: VMS DECC has long == int (even on __alpha), * so the distinction below doesn't matter */ #endif /* VMS */ #if (SIZEOF_INT == 4) # ifndef int32 # define int32 int # endif # ifndef u_int32 # define u_int32 unsigned int # endif #else /* not sizeof(int) == 4 */ # if (SIZEOF_LONG == 4) # ifndef int32 # define int32 long # endif # ifndef u_int32 # define u_int32 unsigned long # endif # else /* not sizeof(long) == 4 */ # include "Bletch: what's 32 bits on this machine?" # endif /* not sizeof(long) == 4 */ #endif /* not sizeof(int) == 4 */ typedef u_char ntp_u_int8_t; typedef u_short ntp_u_int16_t; typedef u_int32 ntp_u_int32_t; typedef struct ntp_uint64_t { u_int32 val[2]; } ntp_uint64_t; typedef unsigned short associd_t; /* association ID */ typedef u_int32 keyid_t; /* cryptographic key ID */ typedef u_int32 tstamp_t; /* NTP seconds timestamp */ /* * On Unix struct sock_timeval is equivalent to struct timeval. * On Windows built with 64-bit time_t, sock_timeval.tv_sec is a long * as required by Windows' socket() interface timeout argument, while * timeval.tv_sec is time_t for the more common use as a UTC time * within NTP. */ #ifndef SYS_WINNT #define sock_timeval timeval #endif /* * On Unix open() works for tty (serial) devices just fine, while on * Windows refclock serial devices are opened using CreateFile, a lower * level than the CRT-provided descriptors, because the C runtime lacks * tty APIs. For refclocks which wish to use open() as well as or * instead of refclock_open(), tty_open() is equivalent to open() on * Unix and implemented in the Windows port similarly to * refclock_open(). */ #ifndef SYS_WINNT #define tty_open(f, a, m) open(f, a, m) #endif #endif /* NTP_TYPES_H */