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| author | Paul Eggert <eggert@cs.ucla.edu> | 2012-03-16 03:04:42 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2012-05-23 14:36:24 -0700 |
| commit | 72a22e596cb1359fc7e05de6d5de6f35f3eb5785 (patch) | |
| tree | 55a16758335e3bf330007f6bc626b98d6b6e32b0 | |
| parent | 68605433483b08e8a31541d833bf92ff3ecad75c (diff) | |
mktime: merge another wrapv change from gnulib
* time/mktime.c (TYPE_MAXIMUM): Rework slightly to avoid diagnostics
from some compilers.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | time/mktime.c | 2 |
2 files changed, 5 insertions, 1 deletions
@@ -1,5 +1,9 @@ 2012-05-23 Paul Eggert <eggert@cs.ucla.edu> + mktime: merge another wrapv change from gnulib + * time/mktime.c (TYPE_MAXIMUM): Rework slightly to avoid diagnostics + from some compilers. + mktime: remove incorrect attempt at unusual arithmetics * time/mktime.c (TYPE_ONES_COMPLEMENT, TYPE_SIGNED_MAGNITUDE): Remove. The code didn't really work on such machines anyway. diff --git a/time/mktime.c b/time/mktime.c index 652a0f2d4a..61b230833e 100644 --- a/time/mktime.c +++ b/time/mktime.c @@ -121,7 +121,7 @@ verify (long_int_is_wide_enough, INT_MAX == INT_MAX * (long_int) 2 / 2); #define TYPE_MAXIMUM(t) \ ((t) (! TYPE_SIGNED (t) \ ? (t) -1 \ - : ~ (~ (t) 0 << (sizeof (t) * CHAR_BIT - 1)))) + : ((((t) 1 << (sizeof (t) * CHAR_BIT - 2)) - 1) * 2 + 1))) #ifndef TIME_T_MIN # define TIME_T_MIN TYPE_MINIMUM (time_t) |