generic-library/isa-l
1
0
Fork 0
mirror of https://github.com/intel/isa-l.git synced 2025-10-29 12:18:00 +01:00
Code Issues Projects Releases Wiki Activity

Add data compression unit

Browse Source 
Include fast DEFLATE compatable compression functions.

Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
This commit is contained in:
Greg Tucker
2016-06-02 13:52:23 -07:00
parent 61164e105b
commit 660f49b02d
54 changed files with 17226 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

86
igzip/igzip_sync_flush_example.c Normal file
View File

@@ -0,0 +1,86 @@
/**********************************************************************
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 8 * 1024
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_sync_flush_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_sync_flush_example\nWindow Size: %d K\n", HIST_SIZE);
fflush(0);
isal_deflate_init(&stream);
stream.end_of_stream = 0;
stream.flush = SYNC_FLUSH;
do {
if (stream.internal_state.state == ZSTATE_NEW_HDR) {
stream.avail_in = (uint32_t) fread(inbuf, 1, BUF_SIZE, in);
stream.end_of_stream = feof(in);
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);
} while (stream.internal_state.state != ZSTATE_END);
fclose(out);
fclose(in);
printf("End of igzip_sync_flush_example\n\n");
return 0;
}