/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
* All rights reserved.
*
* This source code is licensed under both the BSD-style license (found in the
* LICENSE file in the root directory of this source tree) and the GPLv2 (found
* in the COPYING file in the root directory of this source tree).
* You may select, at your option, one of the above-listed licenses.
*/
/*
This program uses hard-coded data compressed with Zstd legacy versions
and tests that the API decompresses them correctly
*/
/*===========================================
* Precompressed frames
*==========================================*/
const char* const COMPRESSED; /* content is at end of file */
size_t const COMPRESSED_SIZE = 917;
const char* const EXPECTED; /* content is at end of file */
if (outBuff == NULL) {
DISPLAY("ERROR: Could not allocate memory\n");
return 1;
}
if (stream == NULL) {
DISPLAY("ERROR: Could not create dstream\n");
free(outBuff);
return 1;
}
while (1) {
ZSTD_outBuffer output = {outBuff, outBuffSize, 0};
if (needsInit) {
size_t const ret = ZSTD_initDStream(stream);
if (ZSTD_isError(ret)) {
DISPLAY("ERROR: ZSTD_initDStream: %s\n", ZSTD_getErrorName(ret));
error_code = 1;
break;
} }
{ size_t const ret = ZSTD_decompressStream(stream, &output, &input);
if (ZSTD_isError(ret)) {
DISPLAY("ERROR: ZSTD_decompressStream: %s\n", ZSTD_getErrorName(ret));
error_code = 1;
break;
}
free(outBuff);
ZSTD_freeDStream(stream);
if (error_code == 0) DISPLAY("Streaming API OK\n");
return error_code;
}
static int testFrameDecoding(void)
{
if (strlen(EXPECTED) > ZSTD_decompressBound(COMPRESSED, COMPRESSED_SIZE)) {
DISPLAY("ERROR: ZSTD_decompressBound: decompressed bound too small\n");
return 1;
}
{ const char* ip = COMPRESSED;
size_t remainingSize = COMPRESSED_SIZE;
while (1) {
size_t frameSize = ZSTD_findFrameCompressedSize(ip, remainingSize);
if (ZSTD_isError(frameSize)) {
DISPLAY("ERROR: ZSTD_findFrameCompressedSize: %s\n", ZSTD_getErrorName(frameSize));
return 1;
}
if (frameSize > remainingSize) {
DISPLAY("ERROR: ZSTD_findFrameCompressedSize: expected frameSize to align with src buffer");
return 1;
}
ip += frameSize;
remainingSize -= frameSize;
if (remainingSize == 0) break;
}
}
DISPLAY("Frame Decoding OK\n");
return 0;
}
int main(void)
{
{ int const ret = testSimpleAPI();
if (ret) return ret; }
{ int const ret = testStreamingAPI();
if (ret) return ret; }
{ int const ret = testFrameDecoding();
if (ret) return ret; }
const char* const EXPECTED =
"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n";
