1 files changed, 101 insertions, 0 deletions
diff --git a/src/isa-l/igzip/igzip_example.c b/src/isa-l/igzip/igzip_example.c
new file mode 100644
index 000000000..5930c717f
--- /dev/null
+++ b/src/isa-l/igzip/igzip_example.c
@@ -0,0 +1,101 @@
+/**********************************************************************
+  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 "igzip_lib.h"
+
+#define BUF_SIZE 8192
+#ifndef LEVEL
+# define LEVEL 0
+#else
+# define LEVEL 1
+#endif
+
+struct isal_zstream stream;
+
+int main(int argc, char *argv[])
+{
+	uint8_t inbuf[BUF_SIZE], outbuf[BUF_SIZE];
+	FILE *in, *out;
+
+	if (argc != 3) {
+		fprintf(stderr, "Usage: igzip_example infile outfile\n");
+		exit(0);
+	}
+	in = fopen(argv[1], "rb");
+	if (!in) {
+		fprintf(stderr, "Can't open %s for reading\n", argv[1]);
+		exit(0);
+	}
+	out = fopen(argv[2], "wb");
+	if (!out) {
+		fprintf(stderr, "Can't open %s for writing\n", argv[2]);
+		exit(0);
+	}
+
+	printf("igzip_example\nWindow Size: %d K\n", IGZIP_HIST_SIZE / 1024);
+	fflush(0);
+
+	isal_deflate_init(&stream);
+	stream.end_of_stream = 0;
+	stream.flush = NO_FLUSH;
+
+	if (LEVEL == 1) {
+		stream.level = 1;
+		stream.level_buf = malloc(ISAL_DEF_LVL1_DEFAULT);
+		stream.level_buf_size = ISAL_DEF_LVL1_DEFAULT;
+		if (stream.level_buf == 0) {
+			printf("Failed to allocate level compression buffer\n");
+			exit(0);
+		}
+	}
+
+	do {
+		stream.avail_in = (uint32_t) fread(inbuf, 1, BUF_SIZE, in);
+		stream.end_of_stream = feof(in) ? 1 : 0;
+		stream.next_in = inbuf;
+		do {
+			stream.avail_out = BUF_SIZE;
+			stream.next_out = outbuf;
+
+			isal_deflate(&stream);
+
+			fwrite(outbuf, 1, BUF_SIZE - stream.avail_out, out);
+		} while (stream.avail_out == 0);
+
+		assert(stream.avail_in == 0);
+	} while (stream.internal_state.state != ZSTATE_END);
+
+	fclose(out);
+	fclose(in);
+
+	printf("End of igzip_example\n\n");
+	return 0;
+}