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(TYPE_SIGNED, TYPE_MAXIMUM, TYPE_MINIMUM): Define.

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(ULONG_LONG_MAX, LONG_LONG_MAX, LONG_LONG_MIN): Define if not defined.
Based on a patch from Kaveh Ghazi.
This commit is contained in:
Jim Meyering 1999-05-05 13:21:29 +00:00
parent 76a9b4dc10
commit 1b0901bb9e
1 changed files with 29 additions and 2 deletions
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31
lib/strtol.c
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@ -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)