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| author | Jim Meyering <jim@meyering.net> | 1998-01-24 08:45:55 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1998-01-24 08:45:55 +0000 |
| commit | cd4c2d0fdc30260f3cbb7d4bd4bd3decffc31f8d (patch) | |
| tree | 6ebf04592ffc48d2797d7e6791403f8d4dfc99f9 /src/system.h | |
| parent | 8a0550a816fdcb48e1785281d3d9195521c85b1f (diff) | |
| download | coreutils-cd4c2d0fdc30260f3cbb7d4bd4bd3decffc31f8d.tar.xz | |
(TYPE_MINIMUM): Add extra outer cast to work around
bug in Cray C 5.0.3.0 when T == time_t.
Diffstat (limited to 'src/system.h')
| -rw-r--r-- | src/system.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/system.h b/src/system.h index 48a2737cf..53cbff081 100644 --- a/src/system.h +++ b/src/system.h @@ -120,7 +120,10 @@ /* The extra casts work around common compiler bugs. */ #define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) -#define TYPE_MINIMUM(t) (TYPE_SIGNED (t) ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0) +/* The outer cast is needed to work around a bug in Cray C 5.0.3.0. + It is necessary at least when t == time_t. */ +#define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \ + ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) : (t) 0)) #define TYPE_MAXIMUM(t) (~ (t) 0 - TYPE_MINIMUM (t)) #ifndef INT_MAX |