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@@ -0,0 +1,66 @@
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+
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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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+
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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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+
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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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+
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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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+
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+#include <stdlib.h>
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+
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+#define TABLE_BASE 0x2e
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+#define TABLE_SIZE 0x4d
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+
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+#define XX ((char)0x40)
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+
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+
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+static const char a64l_table[TABLE_SIZE] =
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+{
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+ 0, 1,
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+ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, XX, XX, XX, XX, XX, XX,
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+ XX, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
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+ 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, XX, XX, XX, XX, XX,
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+ XX, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
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+ 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63
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+};
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+
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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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+ int shift = 0;
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+
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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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+
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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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+ ++ptr;
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+ result |= value << shift;
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+ shift += 6;
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+ }
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+ while (ptr != end);
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+
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+ return (long int) result;
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+}
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