diff options
Diffstat (limited to 'gnu/libexec/uucp/libuucp/memchr.c')
| -rw-r--r-- | gnu/libexec/uucp/libuucp/memchr.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gnu/libexec/uucp/libuucp/memchr.c b/gnu/libexec/uucp/libuucp/memchr.c index fd6eb83..c743154 100644 --- a/gnu/libexec/uucp/libuucp/memchr.c +++ b/gnu/libexec/uucp/libuucp/memchr.c @@ -17,8 +17,8 @@ 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., 675 Mass Ave, -Cambridge, MA 02139, USA. +not, write to the Free Software Foundation, Inc., 59 Temple Place - +Suite 330, Boston, MA 02111-1307, USA. This file was modified slightly by Ian Lance Taylor, May 1992, for Taylor UUCP. It assumes 32 bit longs. I'm willing to trust that any @@ -53,9 +53,9 @@ memchr (s, c, n) /* Bits 31, 24, 16, and 8 of this number are zero. Call these bits the "holes." Note that there is a hole just to the left of each byte, with an extra at the end: - + bits: 01111110 11111110 11111110 11111111 - bytes: AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD + bytes: AAAAAAAA BBBBBBBB CCCCCCCC DDDDDDDD The 1-bits make sure that carries propagate to the next 0-bit. The 0-bits provide holes for carries to fall into. */ @@ -108,10 +108,10 @@ memchr (s, c, n) /* Add MAGIC_BITS to LONGWORD. */ if ((((longword + magic_bits) - + /* Set those bits that were unchanged by the addition. */ ^ ~longword) - + /* Look at only the hole bits. If any of the hole bits are unchanged, most likely one of the bytes was a zero. */ |
