userspace/buftest.c

/*
 * Test application to test buffer-to-buffer decoding
 *
 * Author: Lasse Collin <lasse.collin@tukaani.org>
 *
 * This file has been put into the public domain.
 * You can do whatever you want with this file.
 */

#include <stdbool.h>
#include <stdio.h>
#include <string.h>
#include "xz.h"

#define BUFFER_SIZE (1024 * 1024)

static uint8_t in[BUFFER_SIZE];
static uint8_t out[BUFFER_SIZE];

int main(void)
{
	struct xz_buf b;
	struct xz_dec *s;
	enum xz_ret ret;

	xz_crc32_init();

	s = xz_dec_init(XZ_SINGLE, 0);
	if (s == NULL) {
		fputs("Initialization failed\n", stderr);
		return 1;
	}

	b.in = in;
	b.in_pos = 0;
	b.in_size = fread(in, 1, sizeof(in), stdin);

	b.out = out;
	b.out_pos = 0;
	b.out_size = sizeof(out);

	ret = xz_dec_run(s, &b);
	xz_dec_end(s);

	fwrite(out, 1, b.out_pos, stdout);
	fprintf(stderr, "%d\n", ret);

	return 0;
}