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(TYPE_MINIMUM): Add extra outer cast to work around

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bug in Cray C 5.0.3.0 when T == time_t.
This commit is contained in:
Jim Meyering
1998-01-24 08:45:55 +00:00
parent 8a0550a816
commit cd4c2d0fdc
1 changed files with 4 additions and 1 deletions
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5
src/system.h
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@@ -120,7 +120,10 @@
/* The extra casts work around common compiler bugs. */ /* The extra casts work around common compiler bugs. */
#define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) #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)) #define TYPE_MAXIMUM(t) (~ (t) 0 - TYPE_MINIMUM (t))
#ifndef INT_MAX #ifndef INT_MAX