63dab8eed9
The upcoming geom_compress module (a read-only gzip/ulzma translation layer, similar to what geom_uzip does) will leverage parts of this.
94 lines
2.1 KiB
C
94 lines
2.1 KiB
C
/*
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* Test application for xz_boot.c
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*
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* Author: Lasse Collin <lasse.collin@tukaani.org>
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*
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* This file has been put into the public domain.
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* You can do whatever you want with this file.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#define STATIC static
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#define INIT
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static void error(/*const*/ char *msg)
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{
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fprintf(stderr, "%s\n", msg);
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}
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#include "../linux/lib/decompress_unxz.c"
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static uint8_t in[1024 * 1024];
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static uint8_t out[1024 * 1024];
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static int fill(void *buf, unsigned int size)
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{
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return fread(buf, 1, size, stdin);
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}
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static int flush(/*const*/ void *buf, unsigned int size)
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{
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return fwrite(buf, 1, size, stdout);
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}
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static void test_buf_to_buf(void)
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{
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size_t in_size;
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int ret;
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in_size = fread(in, 1, sizeof(in), stdin);
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ret = decompress(in, in_size, NULL, NULL, out, NULL, &error);
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/* fwrite(out, 1, FIXME, stdout); */
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fprintf(stderr, "ret = %d\n", ret);
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}
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static void test_buf_to_cb(void)
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{
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size_t in_size;
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int in_used;
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int ret;
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in_size = fread(in, 1, sizeof(in), stdin);
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ret = decompress(in, in_size, NULL, &flush, NULL, &in_used, &error);
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fprintf(stderr, "ret = %d; in_used = %d\n", ret, in_used);
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}
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static void test_cb_to_cb(void)
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{
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int ret;
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ret = decompress(NULL, 0, &fill, &flush, NULL, NULL, &error);
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fprintf(stderr, "ret = %d\n", ret);
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}
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/*
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* Not used by Linux <= 2.6.37-rc4 and newer probably won't use it either,
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* but this kind of use case is still required to be supported by the API.
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*/
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static void test_cb_to_buf(void)
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{
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int in_used;
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int ret;
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ret = decompress(in, 0, &fill, NULL, out, &in_used, &error);
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/* fwrite(out, 1, FIXME, stdout); */
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fprintf(stderr, "ret = %d; in_used = %d\n", ret, in_used);
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}
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int main(int argc, char **argv)
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{
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if (argc != 2)
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fprintf(stderr, "Usage: %s [bb|bc|cc|cb]\n", argv[0]);
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else if (strcmp(argv[1], "bb") == 0)
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test_buf_to_buf();
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else if (strcmp(argv[1], "bc") == 0)
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test_buf_to_cb();
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else if (strcmp(argv[1], "cc") == 0)
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test_cb_to_cb();
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else if (strcmp(argv[1], "cb") == 0)
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test_cb_to_buf();
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else
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fprintf(stderr, "Usage: %s [bb|bc|cc|cb]\n", argv[0]);
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return 0;
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}
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