3 # Copyright (c) 2013 Qualcomm Atheros, Inc.
7 # Redistribution and use in source and binary forms, with or without
8 # modification, are permitted (subject to the limitations in the
9 # disclaimer below) provided that the following conditions are met:
11 # * Redistributions of source code must retain the above copyright
12 # notice, this list of conditions and the following disclaimer.
14 # * Redistributions in binary form must reproduce the above copyright
15 # notice, this list of conditions and the following disclaimer in the
16 # documentation and/or other materials provided with the
19 # * Neither the name of Qualcomm Atheros nor the names of its
20 # contributors may be used to endorse or promote products derived
21 # from this software without specific prior written permission.
23 # NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE
24 # GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT
25 # HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
26 # WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
27 # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28 # DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
29 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
32 # BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
33 # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
34 # OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
35 # IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42 while (($bytes = read(STDIN, $buf, 4)) == 4) {
44 my $v = unpack("N", $buf);
47 print pack("N", $crc);