diff options
Diffstat (limited to 'stdlib/l64a.c')
| -rw-r--r-- | stdlib/l64a.c | 40 |
1 files changed, 23 insertions, 17 deletions
diff --git a/stdlib/l64a.c b/stdlib/l64a.c index 914f0b5..1559b5b 100644 --- a/stdlib/l64a.c +++ b/stdlib/l64a.c @@ -1,21 +1,21 @@ /* Copyright (C) 1995, 1996 Free Software Foundation, Inc. -This file is part of the GNU C Library. -Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, August 1995. + 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 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. + 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. */ + 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> @@ -34,18 +34,24 @@ static const char conv_table[64] = char * l64a (n) - long n; + long int n; { static char result[7]; int cnt; + if (n <= 0l) + /* The value for N == 0 is defined to be the empty string. When a + negative value is given the result is undefined. We will + return the empty string. */ + return (char *) ""; + result[6] = '\0'; - for (cnt = 5; cnt >= 0; --cnt) + for (cnt = 5; n > 0; --cnt) { result[cnt] = conv_table[n & 0x3f]; n >>= 6; } - return result; + return &result[n + 1]; } |