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71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
/* Convert string representation of a number into an intmax_t value.
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Copyright (C) 1999, 2001-2004, 2006, 2009-2023 Free Software
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Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Paul Eggert. */
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#include <config.h>
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/* Verify interface. */
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#include <inttypes.h>
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#include <stdlib.h>
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#ifdef UNSIGNED
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# ifndef HAVE_DECL_STRTOULL
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"this configure-time declaration test was not run"
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# endif
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# if !HAVE_DECL_STRTOULL
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unsigned long long int strtoull (char const *, char **, int);
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# endif
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#else
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# ifndef HAVE_DECL_STRTOLL
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"this configure-time declaration test was not run"
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# endif
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# if !HAVE_DECL_STRTOLL
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long long int strtoll (char const *, char **, int);
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# endif
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#endif
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#ifdef UNSIGNED
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# define Int uintmax_t
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# define Strtoimax strtoumax
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# define Strtol strtoul
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# define Strtoll strtoull
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# define Unsigned unsigned
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#else
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# define Int intmax_t
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# define Strtoimax strtoimax
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# define Strtol strtol
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# define Strtoll strtoll
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# define Unsigned
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#endif
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Int
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Strtoimax (char const *ptr, char **endptr, int base)
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{
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static_assert (sizeof (Int) == sizeof (Unsigned long int)
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|| sizeof (Int) == sizeof (Unsigned long long int));
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if (sizeof (Int) != sizeof (Unsigned long int))
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return Strtoll (ptr, endptr, base);
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return Strtol (ptr, endptr, base);
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}
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