Adding upstream version 5.2.37.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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lib/sh/strtoumax.c
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lib/sh/strtoumax.c
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/* strtoumax - convert string representation of a number into an uintmax_t value. */
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/* Copyright 1999-2020 Free Software Foundation, Inc.
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This file is part of GNU Bash, the Bourne Again SHell.
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Bash is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Bash 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 General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Bash. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* Written by Paul Eggert. Modified by Chet Ramey for Bash. */
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#if HAVE_CONFIG_H
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# include <config.h>
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#endif
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#if HAVE_INTTYPES_H
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# include <inttypes.h>
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#endif
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#if HAVE_STDINT_H
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# include <stdint.h>
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#endif
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#if HAVE_STDLIB_H
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# include <stdlib.h>
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#endif
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#include <stdc.h>
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/* Verify a requirement at compile-time (unlike assert, which is runtime). */
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#define verify(name, assertion) struct name { char a[(assertion) ? 1 : -1]; }
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#ifndef HAVE_DECL_STRTOUL
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"this configure-time declaration test was not run"
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#endif
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#if !HAVE_DECL_STRTOUL
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extern unsigned long strtoul PARAMS((const char *, char **, int));
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#endif
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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 && HAVE_UNSIGNED_LONG_LONG_INT
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extern unsigned long long strtoull PARAMS((const char *, char **, int));
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#endif
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#ifdef strtoumax
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#undef strtoumax
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#endif
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uintmax_t
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strtoumax (ptr, endptr, base)
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const char *ptr;
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char **endptr;
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int base;
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{
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#if HAVE_UNSIGNED_LONG_LONG_INT
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verify (size_is_that_of_unsigned_long_or_unsigned_long_long,
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(sizeof (uintmax_t) == sizeof (unsigned long) ||
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sizeof (uintmax_t) == sizeof (unsigned long long)));
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if (sizeof (uintmax_t) != sizeof (unsigned long))
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return (strtoull (ptr, endptr, base));
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#else
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verify (size_is_that_of_unsigned_long, sizeof (uintmax_t) == sizeof (unsigned long));
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#endif
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return (strtoul (ptr, endptr, base));
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}
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#ifdef TESTING
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# include <stdio.h>
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int
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main ()
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{
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char *p, *endptr;
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uintmax_t x;
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#if HAVE_UNSIGNED_LONG_LONG_INT
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unsigned long long y;
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#endif
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unsigned long z;
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printf ("sizeof uintmax_t: %d\n", sizeof (uintmax_t));
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#if HAVE_UNSIGNED_LONG_LONG_INT
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printf ("sizeof unsigned long long: %d\n", sizeof (unsigned long long));
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#endif
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printf ("sizeof unsigned long: %d\n", sizeof (unsigned long));
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x = strtoumax("42", &endptr, 10);
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#if HAVE_LONG_LONG_INT
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y = strtoull("42", &endptr, 10);
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#else
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y = 0;
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#endif
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z = strtoul("42", &endptr, 10);
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printf ("%llu %llu %lu\n", x, y, z);
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exit (0);
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}
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#endif
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