47 lines
718 B
C
47 lines
718 B
C
/*
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* Written by J.T. Conklin <jtc@NetBSD.org>.
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* Public domain.
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*/
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#include <sys/cdefs.h>
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#if defined(LIBC_SCCS) && !defined(lint)
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__RCSID("$NetBSD: a64l.c,v 1.9 2003/07/26 19:24:53 salo Exp $");
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#endif
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#include "namespace.h"
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#include <assert.h>
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#include <stdlib.h>
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#ifdef __weak_alias
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__weak_alias(a64l,_a64l)
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#endif
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long
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a64l(s)
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const char *s;
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{
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long value, digit, shift;
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int i;
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_DIAGASSERT(s != NULL);
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value = 0;
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shift = 0;
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for (i = 0; *s && i < 6; i++, s++) {
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if (*s <= '/')
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digit = *s - '.';
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else if (*s <= '9')
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digit = *s - '0' + 2;
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else if (*s <= 'Z')
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digit = *s - 'A' + 12;
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else
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digit = *s - 'a' + 38;
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value |= digit << shift;
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shift += 6;
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}
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return (long) value;
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}
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