1 /* 2 * Copyright (c) 2005 Sendmail, Inc. and its suppliers. 3 * All rights reserved. 4 * 5 * By using this file, you agree to the terms and conditions set 6 * forth in the LICENSE file which can be found at the top level of 7 * the sendmail distribution. 8 * 9 * $Id: time.h,v 1.1 2005/06/14 23:07:19 ca Exp $ 10 */ 11 12 #ifndef SM_TIME_H 13 # define SM_TIME_H 1 14 15 # include <sm/config.h> 16 17 # include <sys/time.h> 18 19 /* should be defined in sys/time.h */ 20 #ifndef timersub 21 # define timersub(tvp, uvp, vvp) \ 22 do \ 23 { \ 24 (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \ 25 (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \ 26 if ((vvp)->tv_usec < 0) \ 27 { \ 28 (vvp)->tv_sec--; \ 29 (vvp)->tv_usec += 1000000; \ 30 } \ 31 } while (0) 32 #endif /* !timersub */ 33 34 #ifndef timeradd 35 # define timeradd(tvp, uvp, vvp) \ 36 do \ 37 { \ 38 (vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \ 39 (vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \ 40 if ((vvp)->tv_usec >= 1000000) \ 41 { \ 42 (vvp)->tv_sec++; \ 43 (vvp)->tv_usec -= 1000000; \ 44 } \ 45 } while (0) 46 #endif /* !timeradd */ 47 48 #ifndef timercmp 49 # define timercmp(tvp, uvp, cmp) \ 50 (((tvp)->tv_sec == (uvp)->tv_sec) ? \ 51 ((tvp)->tv_usec cmp (uvp)->tv_usec) : \ 52 ((tvp)->tv_sec cmp (uvp)->tv_sec)) 53 #endif /* !timercmp */ 54 55 56 #endif /* ! SM_TIME_H */ 57