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- /* 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 (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;
- }
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