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-rw-r--r--libc/stdlib/l64a.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/libc/stdlib/l64a.c b/libc/stdlib/l64a.c
new file mode 100644
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--- /dev/null
+++ b/libc/stdlib/l64a.c
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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 (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;
+}