2d4e511ca2
Update ntp-4.2.8p13 --> 4.2.8p14. The advisory can be found at: http://support.ntp.org/bin/view/Main/SecurityNotice#\ March_2020_ntp_4_2_8p14_NTP_Rele No CVEs have been documented yet. MFC after: now Security: http://support.ntp.org/bin/view/Main/NtpBug3610 http://support.ntp.org/bin/view/Main/NtpBug3596 http://support.ntp.org/bin/view/Main/NtpBug3592
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/*
|
|
* timexsup.h - 'struct timex' support functions
|
|
*
|
|
* Written by Juergen Perlinger (perlinger@ntp.org) for the NTP project.
|
|
* The contents of 'html/copyright.html' apply.
|
|
*/
|
|
#ifndef TIMEXSUP_H
|
|
#define TIMEXSUP_H
|
|
|
|
|
|
/* convert a 'long' time value (in usec or nsec) into seconds, expressed
|
|
* as a 'double'. If 'STA_NANO' is not defined, this will always convert
|
|
* from usec. ('STA_NANO' is Linux specific at the time of this
|
|
* writing.)
|
|
*
|
|
* If 'STA_NANO' is defined, it will be checked in 'status' to decide
|
|
* which time base (usec or nsec) applies for this conversion.
|
|
*/
|
|
extern double dbl_from_var_long(long lval, int status);
|
|
|
|
/* convert a 'long' time value in usec into seconds, expressed as
|
|
* 'double'. This function is there for pure symmetry right now -- it
|
|
* just casts and scales without any additional bells and whistles.
|
|
*/
|
|
extern double dbl_from_usec_long(long lval);
|
|
|
|
/* If MOD_NANO is defined, set the MOD_NANO bit in '*modes' and
|
|
* calculate the time stamp in nsec; otherwise, calculate the result in
|
|
* usec.
|
|
*
|
|
* Applies proper bounds checks and saturation on LONG_MAX/LONG_MIN to
|
|
* avoid undefined behaviour.
|
|
*/
|
|
extern long var_long_from_dbl(double dval, unsigned int *modes);
|
|
|
|
/* convert a 'double' time value (in seconds) into usec with proper
|
|
* bounds check and range clamp.
|
|
*/
|
|
extern long usec_long_from_dbl(double dval);
|
|
|
|
#endif
|
|
/* -*- that's all folks -*- */
|