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Copyright(c) 2011-2016 Intel Corporation All rights reserved.
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* Redistributions in binary form must reproduce the above copyright
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**********************************************************************/
#define _FILE_OFFSET_BITS 64
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <zlib.h>
#include "igzip_lib.h"
#include "huff_codes.h"
#include "test.h"
/*Don't use file larger memory can support because compression and decompression
* are done in a stateless manner. */
#if __WORDSIZE == 64
#define MAX_INPUT_FILE_SIZE 2L*1024L*1024L*1024L
#else
#define MAX_INPUT_FILE_SIZE 512L*1024L*1024L
#endif
int inflate_multi_pass(uint8_t * compress_buf, uint64_t compress_len,
uint8_t * uncompress_buf, uint32_t * uncompress_len)
{
struct inflate_state *state = NULL;
int ret = 0;
uint8_t *comp_tmp = NULL, *uncomp_tmp = NULL;
uint32_t comp_tmp_size = 0, uncomp_tmp_size = 0;
uint32_t comp_processed = 0, uncomp_processed = 0;
state = malloc(sizeof(struct inflate_state));
if (state == NULL) {
printf("Failed to allocate memory\n");
exit(0);
}
isal_inflate_init(state);
state->next_in = NULL;
state->next_out = NULL;
state->avail_in = 0;
state->avail_out = 0;
while (1) {
if (state->avail_in == 0) {
comp_tmp_size = rand() % (compress_len + 1);
if (comp_tmp_size >= compress_len - comp_processed)
comp_tmp_size = compress_len - comp_processed;
if (comp_tmp_size != 0) {
if (comp_tmp != NULL) {
free(comp_tmp);
comp_tmp = NULL;
}
comp_tmp = malloc(comp_tmp_size);
if (comp_tmp == NULL) {
printf("Failed to allocate memory\n");
exit(0);
}
memcpy(comp_tmp, compress_buf + comp_processed, comp_tmp_size);
comp_processed += comp_tmp_size;
state->next_in = comp_tmp;
state->avail_in = comp_tmp_size;
}
}
if (state->avail_out == 0) {
/* Save uncompressed data into uncompress_buf */
if (uncomp_tmp != NULL) {
memcpy(uncompress_buf + uncomp_processed, uncomp_tmp,
uncomp_tmp_size);
uncomp_processed += uncomp_tmp_size;
}
uncomp_tmp_size = rand() % (*uncompress_len + 1);
/* Limit size of buffer to be smaller than maximum */
if (uncomp_tmp_size > *uncompress_len - uncomp_processed)
uncomp_tmp_size = *uncompress_len - uncomp_processed;
if (uncomp_tmp_size != 0) {
if (uncomp_tmp != NULL) {
fflush(0);
free(uncomp_tmp);
uncomp_tmp = NULL;
}
uncomp_tmp = malloc(uncomp_tmp_size);
if (uncomp_tmp == NULL) {
printf("Failed to allocate memory\n");
exit(0);
}
state->avail_out = uncomp_tmp_size;
state->next_out = uncomp_tmp;
}
}
ret = isal_inflate(state);
if (state->block_state == ISAL_BLOCK_FINISH || ret != 0) {
memcpy(uncompress_buf + uncomp_processed, uncomp_tmp, uncomp_tmp_size);
*uncompress_len = state->total_out;
break;
}
}
if (comp_tmp != NULL) {
free(comp_tmp);
comp_tmp = NULL;
}
if (uncomp_tmp != NULL) {
free(uncomp_tmp);
uncomp_tmp = NULL;
}
free(state);
return ret;
}
int test(uint8_t * compressed_stream,
uint64_t * compressed_length,
uint8_t * uncompressed_stream, uint32_t uncompressed_length,
uint8_t * uncompressed_test_stream, uint32_t uncompressed_test_stream_length)
{
int ret;
ret =
compress2(compressed_stream, (uLongf *) compressed_length,
uncompressed_stream, uncompressed_length, 6);
if (ret) {
printf("Failed compressing input with exit code %d", ret);
return ret;
}
ret =
inflate_multi_pass(compressed_stream + 2,
*compressed_length - 2 - 4,
uncompressed_test_stream, &uncompressed_test_stream_length);
switch (ret) {
case 0:
break;
case ISAL_END_INPUT:
printf(" did not decompress all input\n");
return ISAL_END_INPUT;
break;
case ISAL_INVALID_BLOCK:
printf(" invalid header\n");
return ISAL_INVALID_BLOCK;
break;
case ISAL_INVALID_SYMBOL:
printf(" invalid symbol\n");
return ISAL_INVALID_SYMBOL;
break;
case ISAL_OUT_OVERFLOW:
printf(" out buffer overflow\n");
return ISAL_OUT_OVERFLOW;
break;
case ISAL_INVALID_LOOKBACK:
printf("Invalid lookback distance");
return ISAL_INVALID_LOOKBACK;
break;
default:
printf(" error\n");
return -1;
break;
}
if (uncompressed_test_stream_length != uncompressed_length) {
printf("incorrect amount of data was decompressed from compressed data\n");
printf("%d decompressed of %d compressed",
uncompressed_test_stream_length, uncompressed_length);
return -1;
}
if (memcmp(uncompressed_stream, uncompressed_test_stream, uncompressed_length)) {
int i;
for (i = 0; i < uncompressed_length; i++) {
if (uncompressed_stream[i] != uncompressed_test_stream[i]) {
printf("first error at %d, 0x%x != 0x%x\n", i,
uncompressed_stream[i], uncompressed_test_stream[i]);
}
}
printf(" decompressed data is not the same as the compressed data\n");
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
int i, j, ret = 0, fin_ret = 0;
FILE *file = NULL;
uint64_t compressed_length, file_length;
uint64_t uncompressed_length, uncompressed_test_stream_length;
uint8_t *uncompressed_stream = NULL;
uint8_t *compressed_stream = NULL;
uint8_t *uncompressed_test_stream = NULL;
if (argc == 1)
printf("Error, no input file\n");
for (i = 1; i < argc; i++) {
file = NULL;
uncompressed_stream = NULL;
compressed_stream = NULL;
uncompressed_test_stream = NULL;
file = fopen(argv[i], "r");
if (file == NULL) {
printf("Error opening file %s\n", argv[i]);
return 1;
} else
printf("Starting file %s", argv[i]);
fflush(0);
file_length = get_filesize(file);
if (file_length > MAX_INPUT_FILE_SIZE) {
printf("\nFile too large to run on this test,"
" Max 512MB for 32bit OS, 2GB for 64bit OS.\n");
printf(" ... Fail\n");
fclose(file);
continue;
}
compressed_length = compressBound(file_length);
if (file_length != 0) {
uncompressed_stream = malloc(file_length);
uncompressed_test_stream = malloc(file_length);
}
compressed_stream = malloc(compressed_length);
if (uncompressed_stream == NULL && file_length != 0) {
printf("\nFailed to allocate input memory\n");
exit(0);
}
if (compressed_stream == NULL) {
printf("\nFailed to allocate output memory\n");
exit(0);
}
if (uncompressed_test_stream == NULL && file_length != 0) {
printf("\nFailed to allocate decompressed memory\n");
exit(0);
}
uncompressed_length = fread(uncompressed_stream, 1, file_length, file);
uncompressed_test_stream_length = uncompressed_length;
ret =
test(compressed_stream, &compressed_length, uncompressed_stream,
uncompressed_length, uncompressed_test_stream,
uncompressed_test_stream_length);
if (ret) {
for (j = 0; j < compressed_length; j++) {
if ((j & 31) == 0)
printf("\n");
else
printf(" ");
printf("0x%02x,", compressed_stream[j]);
}
printf("\n");
}
fflush(0);
fclose(file);
if (compressed_stream != NULL)
free(compressed_stream);
if (uncompressed_stream != NULL)
free(uncompressed_stream);
if (uncompressed_test_stream != NULL)
free(uncompressed_test_stream);
if (ret) {
printf(" ... Fail with exit code %d\n", ret);
return ret;
} else
printf(" ... Pass\n");
fin_ret |= ret;
}
return fin_ret;
}