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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/isa-l/igzip/igzip_example.c
parentInitial commit. (diff)
downloadceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz
ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/isa-l/igzip/igzip_example.c')
-rw-r--r--src/isa-l/igzip/igzip_example.c101
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
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+++ b/src/isa-l/igzip/igzip_example.c
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+/**********************************************************************
+ 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;
+}