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Diffstat (limited to 'sysdep/unix/timer.h')
-rw-r--r--sysdep/unix/timer.h16
1 files changed, 7 insertions, 9 deletions
diff --git a/sysdep/unix/timer.h b/sysdep/unix/timer.h
index 99d43932..ae5a27e8 100644
--- a/sysdep/unix/timer.h
+++ b/sysdep/unix/timer.h
@@ -77,14 +77,12 @@ bird_clock_t tm_parse_datetime(char *); /* Convert date to bird_clock_t */
void
tm_format_datetime(char *x, struct timeformat *fmt_spec, bird_clock_t t);
-#ifdef TIME_T_IS_64BIT
-#define TIME_INFINITY 0x7fffffffffffffff
-#else
-#ifdef TIME_T_IS_SIGNED
-#define TIME_INFINITY 0x7fffffff
-#else
-#define TIME_INFINITY 0xffffffff
-#endif
-#endif
+#define TIME_T_IS_64BIT (sizeof(time_t) == 8)
+#define TIME_T_IS_SIGNED ((time_t) -1 < 0)
+
+#define TIME_INFINITY \
+ ((time_t) (TIME_T_IS_SIGNED ? \
+ (TIME_T_IS_64BIT ? 0x7fffffffffffffff : 0x7fffffff): \
+ (TIME_T_IS_64BIT ? 0xffffffffffffffff : 0xffffffff)))
#endif