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103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/**********************************************************************
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Copyright(c) 2011-2016 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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#include "igzip_lib.h"
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#define BUF_SIZE 8192
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#ifndef LEVEL
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#define LEVEL 0
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#else
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#define LEVEL 1
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#endif
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struct isal_zstream stream;
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int
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main(int argc, char *argv[])
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{
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uint8_t inbuf[BUF_SIZE], outbuf[BUF_SIZE];
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FILE *in, *out;
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if (argc != 3) {
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fprintf(stderr, "Usage: igzip_example infile outfile\n");
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exit(0);
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}
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in = fopen(argv[1], "rb");
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if (!in) {
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fprintf(stderr, "Can't open %s for reading\n", argv[1]);
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exit(0);
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}
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out = fopen(argv[2], "wb");
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if (!out) {
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fprintf(stderr, "Can't open %s for writing\n", argv[2]);
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exit(0);
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}
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printf("igzip_example\nWindow Size: %d K\n", IGZIP_HIST_SIZE / 1024);
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fflush(0);
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isal_deflate_init(&stream);
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stream.end_of_stream = 0;
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stream.flush = NO_FLUSH;
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if (LEVEL == 1) {
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stream.level = 1;
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stream.level_buf = malloc(ISAL_DEF_LVL1_DEFAULT);
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stream.level_buf_size = ISAL_DEF_LVL1_DEFAULT;
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if (stream.level_buf == 0) {
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printf("Failed to allocate level compression buffer\n");
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exit(0);
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}
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}
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do {
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stream.avail_in = (uint32_t) fread(inbuf, 1, BUF_SIZE, in);
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stream.end_of_stream = feof(in) ? 1 : 0;
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stream.next_in = inbuf;
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do {
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stream.avail_out = BUF_SIZE;
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stream.next_out = outbuf;
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isal_deflate(&stream);
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fwrite(outbuf, 1, BUF_SIZE - stream.avail_out, out);
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} while (stream.avail_out == 0);
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assert(stream.avail_in == 0);
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} while (stream.internal_state.state != ZSTATE_END);
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fclose(out);
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fclose(in);
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printf("End of igzip_example\n\n");
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return 0;
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}
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