mirror of
https://github.com/aaru-dps/Aaru.Compression.Native.git
synced 2026-11-05 11:46:17 +00:00
Natalia Portillo
adecbc7c7f
Every exported buffer transform now has the same shape:
int32_t AARU_xxx(const uint8_t *src_buffer, size_t src_size,
uint8_t *dst_buffer, size_t *dst_size, ...extras);
On entry *dst_size is the capacity of dst_buffer; on success it holds the
number of bytes written. The return value is 0 (AARU_ERROR_NONE) on success
and non-zero on error, either an AARU_ERROR_* constant or the underlying
library's own error code when it is propagated.
Changes by category:
- Parameter reorder only: all AARU_zip_*, AARU_stuffit*, AARU_dd_*,
AARU_cpt_*, AARU_lzo_*, AARU_xz_*, AARU_lzma2_*, AARU_kencode_*,
AARU_apple_lzh_* and ace_decompress_*.
- Byte count return replaced by an out-parameter plus a status code:
AARU_adc_*, AARU_apple_rle_*, AARU_lz4_*, AARU_lzip_*, AARU_lzfse_*,
AARU_lzvn_*, AARU_zstd_* and AARU_flac_*. Their algorithm bodies are kept
as static internals behind a thin exported wrapper.
- Type normalisation: bzip2 uint32_t* -> size_t*, zstd void* -> uint8_t*,
ZIP PPMd size_t -> size_t*, and int/unsigned char -> int32_t/uint8_t
throughout the header.
- AARU_lzma_decode_buffer no longer takes src_size as an in/out pointer; the
consumed length is tracked internally.
- Already conforming decompressors (arc_*, pak_*, ha_*, lha_*, larc_*,
pmarc_*, arj*, rar*, lh5_decompress) only had their declarations
normalised.
The streaming LZD context API and AARU_get_acn_version are left alone, as
they are not buffer transforms.
Tests updated to the new call convention; all 78 pass.
227 lines
6.1 KiB
C++
227 lines
6.1 KiB
C++
/*
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* This file is part of the Aaru Data Preservation Suite.
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* Copyright (c) 2019-2026 Natalia Portillo.
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*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <unistd.h>
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#include <climits>
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#include <cstddef>
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#include <cstdint>
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#include <cstdio>
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#include <cstdlib>
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#include "../../library.h"
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#include "../crc32.h"
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#include "gtest/gtest.h"
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#define EXPECTED_CRC32 0x66007DBA
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#define EXPECTED_ORIGSIZE 152089
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/* ---- ADn method 9 (AD1) ---- */
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#define ADN_COMPRESSED_SIZE 102392
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static const uint8_t *adn_buffer;
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class DdAdnFixture : public ::testing::Test
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{
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protected:
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void SetUp()
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{
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char path[PATH_MAX];
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char filename[PATH_MAX];
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getcwd(path, PATH_MAX);
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snprintf(filename, PATH_MAX, "%s/data/dd_ad1.bin", path);
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FILE *file = fopen(filename, "rb");
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adn_buffer = (const uint8_t *)malloc(ADN_COMPRESSED_SIZE);
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fread((void *)adn_buffer, 1, ADN_COMPRESSED_SIZE, file);
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fclose(file);
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}
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void TearDown() { free((void *)adn_buffer); }
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};
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TEST_F(DdAdnFixture, dd_adn)
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{
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size_t destLen = EXPECTED_ORIGSIZE;
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auto *outBuf = (uint8_t *)malloc(EXPECTED_ORIGSIZE);
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auto err = AARU_dd_adn_decode_buffer(adn_buffer, ADN_COMPRESSED_SIZE, outBuf, &destLen);
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EXPECT_EQ(err, 0);
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EXPECT_EQ(destLen, (size_t)EXPECTED_ORIGSIZE);
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auto crc = crc32_data(outBuf, EXPECTED_ORIGSIZE);
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free(outBuf);
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EXPECT_EQ(crc, EXPECTED_CRC32);
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}
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/* ---- ADn method 6 (AD2) ---- */
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#define ADN2_COMPRESSED_SIZE 77708
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static const uint8_t *adn2_buffer;
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class DdAdn2Fixture : public ::testing::Test
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{
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protected:
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void SetUp()
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{
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char path[PATH_MAX];
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char filename[PATH_MAX];
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getcwd(path, PATH_MAX);
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snprintf(filename, PATH_MAX, "%s/data/dd_ad2.bin", path);
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FILE *file = fopen(filename, "rb");
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adn2_buffer = (const uint8_t *)malloc(ADN2_COMPRESSED_SIZE);
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fread((void *)adn2_buffer, 1, ADN2_COMPRESSED_SIZE, file);
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fclose(file);
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}
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void TearDown() { free((void *)adn2_buffer); }
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};
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TEST_F(DdAdn2Fixture, dd_adn2)
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{
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size_t destLen = EXPECTED_ORIGSIZE;
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auto *outBuf = (uint8_t *)malloc(EXPECTED_ORIGSIZE);
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auto err = AARU_dd_adn_decode_buffer(adn2_buffer, ADN2_COMPRESSED_SIZE, outBuf, &destLen);
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EXPECT_EQ(err, 0);
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EXPECT_EQ(destLen, (size_t)EXPECTED_ORIGSIZE);
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auto crc = crc32_data(outBuf, EXPECTED_ORIGSIZE);
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free(outBuf);
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EXPECT_EQ(crc, EXPECTED_CRC32);
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}
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/* ---- DDn method 10 (DD1 - fastest) ---- */
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#define DDN1_COMPRESSED_SIZE 59903
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static const uint8_t *ddn1_buffer;
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class DdDdn1Fixture : public ::testing::Test
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{
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protected:
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void SetUp()
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{
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char path[PATH_MAX];
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char filename[PATH_MAX];
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getcwd(path, PATH_MAX);
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snprintf(filename, PATH_MAX, "%s/data/dd_dd1.bin", path);
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FILE *file = fopen(filename, "rb");
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ddn1_buffer = (const uint8_t *)malloc(DDN1_COMPRESSED_SIZE);
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fread((void *)ddn1_buffer, 1, DDN1_COMPRESSED_SIZE, file);
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fclose(file);
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}
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void TearDown() { free((void *)ddn1_buffer); }
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};
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TEST_F(DdDdn1Fixture, dd_ddn1)
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{
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size_t destLen = EXPECTED_ORIGSIZE;
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auto *outBuf = (uint8_t *)malloc(EXPECTED_ORIGSIZE);
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auto err = AARU_dd_ddn_decode_buffer(ddn1_buffer, DDN1_COMPRESSED_SIZE, outBuf, &destLen);
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EXPECT_EQ(err, 0);
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EXPECT_EQ(destLen, (size_t)EXPECTED_ORIGSIZE);
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auto crc = crc32_data(outBuf, EXPECTED_ORIGSIZE);
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free(outBuf);
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EXPECT_EQ(crc, EXPECTED_CRC32);
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}
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/* ---- DDn method 10 (DD2 - normal) ---- */
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#define DDN2_COMPRESSED_SIZE 54219
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static const uint8_t *ddn2_buffer;
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class DdDdn2Fixture : public ::testing::Test
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{
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protected:
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void SetUp()
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{
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char path[PATH_MAX];
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char filename[PATH_MAX];
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getcwd(path, PATH_MAX);
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snprintf(filename, PATH_MAX, "%s/data/dd_dd2.bin", path);
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FILE *file = fopen(filename, "rb");
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ddn2_buffer = (const uint8_t *)malloc(DDN2_COMPRESSED_SIZE);
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fread((void *)ddn2_buffer, 1, DDN2_COMPRESSED_SIZE, file);
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fclose(file);
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}
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void TearDown() { free((void *)ddn2_buffer); }
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};
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TEST_F(DdDdn2Fixture, dd_ddn2)
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{
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size_t destLen = EXPECTED_ORIGSIZE;
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auto *outBuf = (uint8_t *)malloc(EXPECTED_ORIGSIZE);
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auto err = AARU_dd_ddn_decode_buffer(ddn2_buffer, DDN2_COMPRESSED_SIZE, outBuf, &destLen);
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EXPECT_EQ(err, 0);
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EXPECT_EQ(destLen, (size_t)EXPECTED_ORIGSIZE);
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auto crc = crc32_data(outBuf, EXPECTED_ORIGSIZE);
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free(outBuf);
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EXPECT_EQ(crc, EXPECTED_CRC32);
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}
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/* ---- DDn method 10 (DD3 - best) ---- */
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#define DDN3_COMPRESSED_SIZE 52881
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static const uint8_t *ddn3_buffer;
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class DdDdn3Fixture : public ::testing::Test
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{
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protected:
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void SetUp()
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{
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char path[PATH_MAX];
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char filename[PATH_MAX];
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getcwd(path, PATH_MAX);
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snprintf(filename, PATH_MAX, "%s/data/dd_dd3.bin", path);
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FILE *file = fopen(filename, "rb");
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ddn3_buffer = (const uint8_t *)malloc(DDN3_COMPRESSED_SIZE);
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fread((void *)ddn3_buffer, 1, DDN3_COMPRESSED_SIZE, file);
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fclose(file);
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}
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void TearDown() { free((void *)ddn3_buffer); }
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};
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TEST_F(DdDdn3Fixture, dd_ddn3)
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{
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size_t destLen = EXPECTED_ORIGSIZE;
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auto *outBuf = (uint8_t *)malloc(EXPECTED_ORIGSIZE);
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auto err = AARU_dd_ddn_decode_buffer(ddn3_buffer, DDN3_COMPRESSED_SIZE, outBuf, &destLen);
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EXPECT_EQ(err, 0);
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EXPECT_EQ(destLen, (size_t)EXPECTED_ORIGSIZE);
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auto crc = crc32_data(outBuf, EXPECTED_ORIGSIZE);
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free(outBuf);
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EXPECT_EQ(crc, EXPECTED_CRC32);
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}
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