diff options
Diffstat (limited to 'src/spdk/lib/util/crc32_ieee.c')
-rw-r--r-- | src/spdk/lib/util/crc32_ieee.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/spdk/lib/util/crc32_ieee.c b/src/spdk/lib/util/crc32_ieee.c new file mode 100644 index 00000000..2956e3fc --- /dev/null +++ b/src/spdk/lib/util/crc32_ieee.c @@ -0,0 +1,48 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "spdk/crc32.h" + +static struct spdk_crc32_table g_crc32_ieee_table; + +__attribute__((constructor)) static void +spdk_crc32_ieee_init(void) +{ + spdk_crc32_table_init(&g_crc32_ieee_table, SPDK_CRC32_POLYNOMIAL_REFLECT); +} + +uint32_t +spdk_crc32_ieee_update(const void *buf, size_t len, uint32_t crc) +{ + return spdk_crc32_update(&g_crc32_ieee_table, buf, len, crc); +} |