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| author | Jim Meyering <jim@meyering.net> | 1999-05-05 13:21:29 +0000 |
|---|---|---|
| committer | Jim Meyering <jim@meyering.net> | 1999-05-05 13:21:29 +0000 |
| commit | 1b0901bb9e77e607fbf523b2b68ed215ad22e7d8 (patch) | |
| tree | f072ba0ca41099464029c63fd07aa2e9976c7757 /lib/strtol.c | |
| parent | 76a9b4dc10e83a7fd4937787644fcb43fbd7d4fc (diff) | |
| download | coreutils-1b0901bb9e77e607fbf523b2b68ed215ad22e7d8.tar.xz | |
(TYPE_SIGNED, TYPE_MAXIMUM, TYPE_MINIMUM): Define.
(ULONG_LONG_MAX, LONG_LONG_MAX, LONG_LONG_MIN): Define if not defined.
Based on a patch from Kaveh Ghazi.
Diffstat (limited to 'lib/strtol.c')
| -rw-r--r-- | lib/strtol.c | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/lib/strtol.c b/lib/strtol.c index 5b9546792..0c9c2767e 100644 --- a/lib/strtol.c +++ b/lib/strtol.c @@ -1,5 +1,5 @@ /* Convert string representation of a number into an integer value. - Copyright (C) 1991, 92, 94, 95, 96, 97, 98 Free Software Foundation, Inc. + Copyright (C) 1991, 92, 94, 95, 96, 97, 98, 99 Free Software Foundation, Inc. NOTE: The canonical source of this file is maintained with the GNU C Library. Bugs can be reported to bug-glibc@gnu.org. @@ -131,6 +131,31 @@ extern int errno; # define STRTOL_LONG_MIN LONG_LONG_MIN # define STRTOL_LONG_MAX LONG_LONG_MAX # define STRTOL_ULONG_MAX ULONG_LONG_MAX + +/* The extra casts work around common compiler bugs, + e.g. Cray C 5.0.3.0 when t == time_t. */ +# ifndef TYPE_SIGNED +# define TYPE_SIGNED(t) (! ((t) 0 < (t) -1)) +# endif +# ifndef TYPE_MINIMUM +# define TYPE_MINIMUM(t) ((t) (TYPE_SIGNED (t) \ + ? ~ (t) 0 << (sizeof (t) * CHAR_BIT - 1) \ + : (t) 0)) +# endif +# ifndef TYPE_MAXIMUM +# define TYPE_MAXIMUM(t) ((t) (~ (t) 0 - TYPE_MINIMUM (t))) +# endif + +# ifndef ULONG_LONG_MAX +# define ULONG_LONG_MAX TYPE_MAXIMUM (unsigned long long) +# endif +# ifndef LONG_LONG_MAX +# define LONG_LONG_MAX TYPE_MAXIMUM (long long int) +# endif +# ifndef LONG_LONG_MIN +# define LONG_LONG_MIN TYPE_MINIMUM (long long int) +# endif + # if __GNUC__ == 2 && __GNUC_MINOR__ < 7 /* Work around gcc bug with using this constant. */ static const unsigned long long int maxquad = ULONG_LONG_MAX; @@ -205,7 +230,9 @@ extern int errno; # endif #endif -#ifdef __STDC__ +/* For compilers which are ansi but don't define __STDC__, like SGI + Irix-4.0.5 cc, also check whether PROTOTYPES is defined. */ +#if defined (__STDC__) || defined (PROTOTYPES) # define INTERNAL(X) INTERNAL1(X) # define INTERNAL1(X) __##X##_internal # define WEAKNAME(X) WEAKNAME1(X) |