1 files changed, 68 insertions, 0 deletions
diff --git a/src/isa-l/crc/crc64_example.c b/src/isa-l/crc/crc64_example.c
new file mode 100644
index 000000000..64763a1b0
--- /dev/null
+++ b/src/isa-l/crc/crc64_example.c
@@ -0,0 +1,68 @@
+/**********************************************************************
+  Copyright(c) 2011-2016 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 <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+#include "crc64.h"
+
+#define BUF_SIZE 8192
+#define INIT_SEED 0x12345678
+
+int main(int argc, char *argv[])
+{
+	uint8_t inbuf[BUF_SIZE];
+	uint64_t avail_in, total_in = 0;
+	uint64_t crc64_checksum;
+	FILE *in;
+
+	if (argc != 2) {
+		fprintf(stderr, "Usage: crc64_example infile\n");
+		exit(0);
+	}
+	in = fopen(argv[1], "rb");
+	if (!in) {
+		fprintf(stderr, "Can't open %s for reading\n", argv[1]);
+		exit(0);
+	}
+
+	printf("crc64_example -- crc64_ecma_refl:\n");
+	fflush(0);
+
+	crc64_checksum = INIT_SEED;
+	while ((avail_in = fread(inbuf, 1, BUF_SIZE, in))) {
+		// crc update mode
+		crc64_checksum = crc64_ecma_refl(crc64_checksum, inbuf, avail_in);
+		total_in += avail_in;
+	}
+
+	fclose(in);
+	printf("total length is %ld, checksum is 0x%lx\n", total_in, crc64_checksum);
+
+	return 0;
+}