ab1c32a698
* stdlib/l64a.c: Produce least significant digit first. * stdlib/Makefile (tests): Add test-a64l. * stdlib/test-a64l.c: New file.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* Copyright (C) 1995, 1996, 2000 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <stdlib.h>
|
|
|
|
/* Conversion table. */
|
|
static const char conv_table[64] =
|
|
{
|
|
'.', '/', '0', '1', '2', '3', '4', '5',
|
|
'6', '7', '8', '9', 'A', 'B', 'C', 'D',
|
|
'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
|
|
'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
|
|
'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b',
|
|
'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
|
|
'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r',
|
|
's', 't', 'u', 'v', 'w', 'x', 'y', 'z'
|
|
};
|
|
|
|
char *
|
|
l64a (n)
|
|
long int n;
|
|
{
|
|
unsigned long int m = (unsigned long int) n;
|
|
static char result[7];
|
|
int cnt;
|
|
|
|
/* The standard says that only 32 bits are used. */
|
|
m &= 0xffffffff;
|
|
|
|
if (m == 0ul)
|
|
/* The value for N == 0 is defined to be the empty string. */
|
|
return (char *) "";
|
|
|
|
for (cnt = 0; m > 0ul; ++cnt)
|
|
{
|
|
result[cnt] = conv_table[m & 0x3f];
|
|
m >>= 6;
|
|
}
|
|
result[cnt] = '\0';
|
|
|
|
return result;
|
|
}
|