From c53a6701c3e29201082716858a774ed47a2c0343 Mon Sep 17 00:00:00 2001 From: Gerd Moellmann Date: Sun, 28 Nov 1999 20:11:56 +0000 Subject: [PATCH] (EMACS_TIME_CMP, EMACS_TIME_EQ, EMACS_TIME_NE) (EMACS_TIME_GT, EMACS_TIME_GE, EMACS_TIME_LT,EMACS_TIME_LE): New macros. --- src/systime.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/src/systime.h b/src/systime.h index 44c1f7d4de..2675dee799 100644 --- a/src/systime.h +++ b/src/systime.h @@ -147,3 +147,22 @@ extern long timezone; (EMACS_SET_SECS (time, secs), EMACS_SET_USECS (time, usecs)) extern int set_file_times (); + +/* Compare times T1 and T2. Value is 0 if T1 and T2 are the same. + Value is < 0 if T1 is less than T2. Value is > 0 otherwise. */ + +#define EMACS_TIME_CMP(T1, T2) \ + (EMACS_SECS (T1) - EMACS_SECS (T2) \ + + (EMACS_SECS (T1) == EMACS_SECS (T2) \ + ? EMACS_USECS (T1) - EMACS_USECS (T2) \ + : 0)) + +/* Compare times T1 and T2 for equality, inequality etc. */ + +#define EMACS_TIME_EQ(T1,T2) (EMACS_TIME_CMP (T1, T2) == 0) +#define EMACS_TIME_NE(T1,T2) (EMACS_TIME_CMP (T1, T2) != 0) +#define EMACS_TIME_GT(T1,T2) (EMACS_TIME_CMP (T1, T2) > 0) +#define EMACS_TIME_GE(T1,T2) (EMACS_TIME_CMP (T1, T2) >= 0) +#define EMACS_TIME_LT(T1,T2) (EMACS_TIME_CMP (T1, T2) < 0) +#define EMACS_TIME_LE(T1,T2) (EMACS_TIME_CMP (T1, T2) <= 0) + -- 2.39.2