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Diffstat (limited to 'stdlib/a64l.c')
-rw-r--r-- | stdlib/a64l.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/stdlib/a64l.c b/stdlib/a64l.c new file mode 100644 index 0000000..3fdaab5 --- /dev/null +++ b/stdlib/a64l.c @@ -0,0 +1,54 @@ +/* Copyright (C) 1995 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 Library General Public License as +published by the Free Software Foundation; either version 2 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <stdlib.h> + +long +a64l (string) + const char *string; +{ + int cnt; + long result = 0l; + + for (cnt = 0; cnt < 6; ++cnt) + { + result <<= 6; + switch (string[cnt]) + { + case '.': + break; + case '/': + result |= 1; + break; + case '0' ... '9': + result |= 2 + string[cnt] - '0'; + break; + case 'A' ... 'Z': + result |= 12 + string[cnt] - 'A'; + break; + case 'a' ... 'z': + result |= 38 + string[cnt] - 'a'; + break; + default: + return result >> 6; + } + } + + return result; +} |