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41bdb6e20c
2001-07-06 Paul Eggert <eggert@twinsun.com> * manual/argp.texi: Remove ignored LGPL copyright notice; it's not appropriate for documentation anyway. * manual/libc-texinfo.sh: "Library General Public License" -> "Lesser General Public License". 2001-07-06 Andreas Jaeger <aj@suse.de> * All files under GPL/LGPL version 2: Place under LGPL version 2.1.
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
/* Copyright (C) 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@gnu.org>, August 1995.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <stdlib.h>
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#define TABLE_BASE 0x2e
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#define TABLE_SIZE 0x4d
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#define XX ((char)0x40)
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static const char a64l_table[TABLE_SIZE] =
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{
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/* 0x2e */ 0, 1,
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/* 0x30 */ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, XX, XX, XX, XX, XX, XX,
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/* 0x40 */ XX, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
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/* 0x50 */ 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, XX, XX, XX, XX, XX,
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/* 0x60 */ XX, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
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/* 0x70 */ 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63
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};
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long int
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a64l (string)
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const char *string;
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{
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const char *ptr = string;
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unsigned long int result = 0ul;
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const char *end = ptr + 6;
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do
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{
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unsigned index;
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unsigned value;
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index = *ptr - TABLE_BASE;
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if ((unsigned int) index >= TABLE_SIZE)
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break;
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value = (int) a64l_table[index];
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if (value == (int) XX)
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break;
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result <<= 6;
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++ptr;
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result |= value;
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}
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while (ptr != end);
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return (long int) result;
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}
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