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| author | Gerd Moellmann <gerd@gnu.org> | 1999-11-28 20:11:56 +0000 |
|---|---|---|
| committer | Gerd Moellmann <gerd@gnu.org> | 1999-11-28 20:11:56 +0000 |
| commit | c53a6701c3e29201082716858a774ed47a2c0343 (patch) | |
| tree | 8d2321fba3ff3f1f71e287fd820eb5dcb1d82d37 /src/systime.h | |
| parent | 83b96b22503a350068a3de0e39c72cd36b7d5982 (diff) | |
| download | emacs-c53a6701c3e29201082716858a774ed47a2c0343.tar.gz | |
(EMACS_TIME_CMP, EMACS_TIME_EQ, EMACS_TIME_NE)
(EMACS_TIME_GT, EMACS_TIME_GE, EMACS_TIME_LT,EMACS_TIME_LE): New
macros.
Diffstat (limited to 'src/systime.h')
| -rw-r--r-- | src/systime.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/systime.h b/src/systime.h index 44c1f7d4de1..2675dee799d 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) + |