deb-libisal/igzip/igzip_sync_flush_example.c
Greg Tucker 077b31b560 igzip: Fix feof usage in examples
Change-Id: Ic5f2f3cf62c57b685be6bc4f68a8c8e246452023
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2016-12-06 16:18:54 -07:00

87 lines
2.9 KiB
C

/**********************************************************************
Copyright(c) 2011-2016 Intel Corporation All rights reserved.
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modification, are permitted provided that the following conditions
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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**********************************************************************/
#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", IGZIP_HIST_SIZE / 1024);
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) ? 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);
} while (stream.internal_state.state != ZSTATE_END);
fclose(out);
fclose(in);
printf("End of igzip_sync_flush_example\n\n");
return 0;
}