mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-08 22:30:07 +00:00
04277e02d7
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Copyright (C) 1995-2019 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gnu.org>, August 1995.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdlib.h>
|
|
|
|
#define TABLE_BASE 0x2e
|
|
#define TABLE_SIZE 0x4d
|
|
|
|
#define XX ((char)0x40)
|
|
|
|
|
|
static const char a64l_table[TABLE_SIZE] =
|
|
{
|
|
/* 0x2e */ 0, 1,
|
|
/* 0x30 */ 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, XX, XX, XX, XX, XX, XX,
|
|
/* 0x40 */ XX, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26,
|
|
/* 0x50 */ 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, XX, XX, XX, XX, XX,
|
|
/* 0x60 */ XX, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52,
|
|
/* 0x70 */ 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63
|
|
};
|
|
|
|
|
|
long int
|
|
a64l (const char *string)
|
|
{
|
|
const char *ptr = string;
|
|
unsigned long int result = 0ul;
|
|
const char *end = ptr + 6;
|
|
int shift = 0;
|
|
|
|
do
|
|
{
|
|
unsigned index;
|
|
unsigned value;
|
|
|
|
index = *ptr - TABLE_BASE;
|
|
if ((unsigned int) index >= TABLE_SIZE)
|
|
break;
|
|
value = (int) a64l_table[index];
|
|
if (value == (int) XX)
|
|
break;
|
|
++ptr;
|
|
result |= value << shift;
|
|
shift += 6;
|
|
}
|
|
while (ptr != end);
|
|
|
|
return (long int) result;
|
|
}
|