Plugson/src/Lib/xz-embedded/userspace/boottest.c

   1 /*
   2  * Test application for xz_boot.c
   3  *
   4  * Author: Lasse Collin <lasse.collin@tukaani.org>
   5  *
   6  * This file has been put into the public domain.
   7  * You can do whatever you want with this file.
   8  */
   9
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <stdio.h>
  13
  14 #define STATIC static
  15 #define INIT
  16
  17 static void error(/*const*/ char *msg)
  18 {
  19         fprintf(stderr, "%s\n", msg);
  20 }
  21
  22 /* Disable the CRC64 support even if it was enabled in the Makefile. */
  23 #undef XZ_USE_CRC64
  24
  25 #include "../linux/lib/decompress_unxz.c"
  26
  27 static uint8_t in[1024 * 1024];
  28 static uint8_t out[1024 * 1024];
  29
  30 static int fill(void *buf, unsigned int size)
  31 {
  32         return fread(buf, 1, size, stdin);
  33 }
  34
  35 static int flush(/*const*/ void *buf, unsigned int size)
  36 {
  37         return fwrite(buf, 1, size, stdout);
  38 }
  39
  40 static void test_buf_to_buf(void)
  41 {
  42         size_t in_size;
  43         int ret;
  44         in_size = fread(in, 1, sizeof(in), stdin);
  45         ret = decompress(in, in_size, NULL, NULL, out, NULL, &error);
  46         /* fwrite(out, 1, FIXME, stdout); */
  47         fprintf(stderr, "ret = %d\n", ret);
  48 }
  49
  50 static void test_buf_to_cb(void)
  51 {
  52         size_t in_size;
  53         int in_used;
  54         int ret;
  55         in_size = fread(in, 1, sizeof(in), stdin);
  56         ret = decompress(in, in_size, NULL, &flush, NULL, &in_used, &error);
  57         fprintf(stderr, "ret = %d; in_used = %d\n", ret, in_used);
  58 }
  59
  60 static void test_cb_to_cb(void)
  61 {
  62         int ret;
  63         ret = decompress(NULL, 0, &fill, &flush, NULL, NULL, &error);
  64         fprintf(stderr, "ret = %d\n", ret);
  65 }
  66
  67 /*
  68  * Not used by Linux <= 2.6.37-rc4 and newer probably won't use it either,
  69  * but this kind of use case is still required to be supported by the API.
  70  */
  71 static void test_cb_to_buf(void)
  72 {
  73         int in_used;
  74         int ret;
  75         ret = decompress(in, 0, &fill, NULL, out, &in_used, &error);
  76         /* fwrite(out, 1, FIXME, stdout); */
  77         fprintf(stderr, "ret = %d; in_used = %d\n", ret, in_used);
  78 }
  79
  80 int main(int argc, char **argv)
  81 {
  82         if (argc != 2)
  83                 fprintf(stderr, "Usage: %s [bb|bc|cc|cb]\n", argv[0]);
  84         else if (strcmp(argv[1], "bb") == 0)
  85                 test_buf_to_buf();
  86         else if (strcmp(argv[1], "bc") == 0)
  87                 test_buf_to_cb();
  88         else if (strcmp(argv[1], "cc") == 0)
  89                 test_cb_to_cb();
  90         else if (strcmp(argv[1], "cb") == 0)
  91                 test_cb_to_buf();
  92         else
  93                 fprintf(stderr, "Usage: %s [bb|bc|cc|cb]\n", argv[0]);
  94
  95         return 0;
  96 }