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Rename unaligned_read32ne to read32ne, and similarly for the others.

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This commit is contained in:
Lasse Collin 2019-12-31 00:41:28 +02:00
parent 5e78fcbf2e
commit 7136f1735c
15 changed files with 54 additions and 62 deletions
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64
src/common/tuklib_integer.h
View file

@ -7,8 +7,8 @@
/// operations.
///
/// Native endian inline functions (XX = 16, 32, or 64):
/// - Unaligned native endian reads: unaligned_readXXne(ptr)
/// - Unaligned native endian writes: unaligned_writeXXne(ptr, num)
/// - Unaligned native endian reads: readXXne(ptr)
/// - Unaligned native endian writes: writeXXne(ptr, num)
/// - Aligned native endian reads: aligned_readXXne(ptr)
/// - Aligned native endian writes: aligned_writeXXne(ptr, num)
///
@ -17,10 +17,10 @@
/// - Byte swapping: bswapXX(num)
/// - Byte order conversions to/from native (byteswaps if Y isn't
/// the native endianness): convXXYe(num)
/// - Unaligned reads (16/32-bit only): readXXYe(ptr)
/// - Unaligned writes (16/32-bit only): writeXXYe(ptr, num)
/// - Aligned reads: aligned_readXXYe(ptr)
/// - Aligned writes: aligned_writeXXYe(ptr, num)
/// - Unaligned reads (16/32-bit only): unaligned_readXXYe(ptr)
/// - Unaligned writes (16/32-bit only): unaligned_writeXXYe(ptr, num)
///
/// Since the above can macros, the arguments should have no side effects
/// because they may be evaluated more than once.
@ -205,7 +205,7 @@
// Hopefully this is flexible enough in practice.
static inline uint16_t
unaligned_read16ne(const uint8_t *buf)
read16ne(const uint8_t *buf)
{
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(TUKLIB_USE_UNSAFE_TYPE_PUNNING)
@ -219,7 +219,7 @@ unaligned_read16ne(const uint8_t *buf)
static inline uint32_t
unaligned_read32ne(const uint8_t *buf)
read32ne(const uint8_t *buf)
{
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(TUKLIB_USE_UNSAFE_TYPE_PUNNING)
@ -233,7 +233,7 @@ unaligned_read32ne(const uint8_t *buf)
static inline uint64_t
unaligned_read64ne(const uint8_t *buf)
read64ne(const uint8_t *buf)
{
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(TUKLIB_USE_UNSAFE_TYPE_PUNNING)
@ -247,7 +247,7 @@ unaligned_read64ne(const uint8_t *buf)
static inline void
unaligned_write16ne(uint8_t *buf, uint16_t num)
write16ne(uint8_t *buf, uint16_t num)
{
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(TUKLIB_USE_UNSAFE_TYPE_PUNNING)
@ -260,7 +260,7 @@ unaligned_write16ne(uint8_t *buf, uint16_t num)
static inline void
unaligned_write32ne(uint8_t *buf, uint32_t num)
write32ne(uint8_t *buf, uint32_t num)
{
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(TUKLIB_USE_UNSAFE_TYPE_PUNNING)
@ -273,7 +273,7 @@ unaligned_write32ne(uint8_t *buf, uint32_t num)
static inline void
unaligned_write64ne(uint8_t *buf, uint64_t num)
write64ne(uint8_t *buf, uint64_t num)
{
#if defined(TUKLIB_FAST_UNALIGNED_ACCESS) \
&& defined(TUKLIB_USE_UNSAFE_TYPE_PUNNING)
@ -286,10 +286,10 @@ unaligned_write64ne(uint8_t *buf, uint64_t num)
static inline uint16_t
unaligned_read16be(const uint8_t *buf)
read16be(const uint8_t *buf)
{
#if defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
uint16_t num = unaligned_read16ne(buf);
uint16_t num = read16ne(buf);
return conv16be(num);
#else
uint16_t num = ((uint16_t)buf[0] << 8) | (uint16_t)buf[1];
@ -299,10 +299,10 @@ unaligned_read16be(const uint8_t *buf)
static inline uint16_t
unaligned_read16le(const uint8_t *buf)
read16le(const uint8_t *buf)
{
#if !defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
uint16_t num = unaligned_read16ne(buf);
uint16_t num = read16ne(buf);
return conv16le(num);
#else
uint16_t num = ((uint16_t)buf[0]) | ((uint16_t)buf[1] << 8);
@ -312,10 +312,10 @@ unaligned_read16le(const uint8_t *buf)
static inline uint32_t
unaligned_read32be(const uint8_t *buf)
read32be(const uint8_t *buf)
{
#if defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
uint32_t num = unaligned_read32ne(buf);
uint32_t num = read32ne(buf);
return conv32be(num);
#else
uint32_t num = (uint32_t)buf[0] << 24;
@ -328,10 +328,10 @@ unaligned_read32be(const uint8_t *buf)
static inline uint32_t
unaligned_read32le(const uint8_t *buf)
read32le(const uint8_t *buf)
{
#if !defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
uint32_t num = unaligned_read32ne(buf);
uint32_t num = read32ne(buf);
return conv32le(num);
#else
uint32_t num = (uint32_t)buf[0];
@ -348,23 +348,19 @@ unaligned_read32le(const uint8_t *buf)
// byte swapping macros. The actual write is done in an inline function
// to make type checking of the buf pointer possible.
#if defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
# define unaligned_write16be(buf, num) \
unaligned_write16ne(buf, conv16be(num))
# define unaligned_write32be(buf, num) \
unaligned_write32ne(buf, conv32be(num))
# define write16be(buf, num) write16ne(buf, conv16be(num))
# define write32be(buf, num) write32ne(buf, conv32be(num))
#endif
#if !defined(WORDS_BIGENDIAN) || defined(TUKLIB_FAST_UNALIGNED_ACCESS)
# define unaligned_write16le(buf, num) \
unaligned_write16ne(buf, conv16le(num))
# define unaligned_write32le(buf, num) \
unaligned_write32ne(buf, conv32le(num))
# define write16le(buf, num) write16ne(buf, conv16le(num))
# define write32le(buf, num) write32ne(buf, conv32le(num))
#endif
#ifndef unaligned_write16be
#ifndef write16be
static inline void
unaligned_write16be(uint8_t *buf, uint16_t num)
write16be(uint8_t *buf, uint16_t num)
{
buf[0] = (uint8_t)(num >> 8);
buf[1] = (uint8_t)num;
@ -373,9 +369,9 @@ unaligned_write16be(uint8_t *buf, uint16_t num)
#endif
#ifndef unaligned_write16le
#ifndef write16le
static inline void
unaligned_write16le(uint8_t *buf, uint16_t num)
write16le(uint8_t *buf, uint16_t num)
{
buf[0] = (uint8_t)num;
buf[1] = (uint8_t)(num >> 8);
@ -384,9 +380,9 @@ unaligned_write16le(uint8_t *buf, uint16_t num)
#endif
#ifndef unaligned_write32be
#ifndef write32be
static inline void
unaligned_write32be(uint8_t *buf, uint32_t num)
write32be(uint8_t *buf, uint32_t num)
{
buf[0] = (uint8_t)(num >> 24);
buf[1] = (uint8_t)(num >> 16);
@ -397,9 +393,9 @@ unaligned_write32be(uint8_t *buf, uint32_t num)
#endif
#ifndef unaligned_write32le
#ifndef write32le
static inline void
unaligned_write32le(uint8_t *buf, uint32_t num)
write32le(uint8_t *buf, uint32_t num)
{
buf[0] = (uint8_t)num;
buf[1] = (uint8_t)(num >> 8);

2
src/liblzma/common/alone_encoder.c
View file

@ -121,7 +121,7 @@ alone_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
if (d != UINT32_MAX)
++d;
unaligned_write32le(coder->header + 1, d);
write32le(coder->header + 1, d);
// - Uncompressed size (always unknown and using EOPM)
memset(coder->header + 1 + 4, 0xFF, 8);

2
src/liblzma/common/block_header_decoder.c
View file

@ -67,7 +67,7 @@ lzma_block_header_decode(lzma_block *block,
const size_t in_size = block->header_size - 4;
// Verify CRC32
if (lzma_crc32(in, in_size, 0) != unaligned_read32le(in + in_size)) {
if (lzma_crc32(in, in_size, 0) != read32le(in + in_size)) {
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
return LZMA_DATA_ERROR;
#endif

2
src/liblzma/common/block_header_encoder.c
View file

@ -126,7 +126,7 @@ lzma_block_header_encode(const lzma_block *block, uint8_t *out)
memzero(out + out_pos, out_size - out_pos);
// CRC32
unaligned_write32le(out + out_size, lzma_crc32(out, out_size, 0));
write32le(out + out_size, lzma_crc32(out, out_size, 0));
return LZMA_OK;
}

9
src/liblzma/common/memcmplen.h
View file

@ -61,8 +61,7 @@ lzma_memcmplen(const uint8_t *buf1, const uint8_t *buf2,
// to __builtin_clzll().
#define LZMA_MEMCMPLEN_EXTRA 8
while (len < limit) {
const uint64_t x = unaligned_read64ne(buf1 + len)
- unaligned_read64ne(buf2 + len);
const uint64_t x = read64ne(buf1 + len) - read64ne(buf2 + len);
if (x != 0) {
# if defined(_M_X64) // MSVC or Intel C compiler on Windows
unsigned long tmp;
@ -112,8 +111,7 @@ lzma_memcmplen(const uint8_t *buf1, const uint8_t *buf2,
// Generic 32-bit little endian method
# define LZMA_MEMCMPLEN_EXTRA 4
while (len < limit) {
uint32_t x = unaligned_read32ne(buf1 + len)
- unaligned_read32ne(buf2 + len);
uint32_t x = read32ne(buf1 + len) - read32ne(buf2 + len);
if (x != 0) {
if ((x & 0xFFFF) == 0) {
len += 2;
@ -135,8 +133,7 @@ lzma_memcmplen(const uint8_t *buf1, const uint8_t *buf2,
// Generic 32-bit big endian method
# define LZMA_MEMCMPLEN_EXTRA 4
while (len < limit) {
uint32_t x = unaligned_read32ne(buf1 + len)
^ unaligned_read32ne(buf2 + len);
uint32_t x = read32ne(buf1 + len) ^ read32ne(buf2 + len);
if (x != 0) {
if ((x & 0xFFFF0000) == 0) {
len += 2;

6
src/liblzma/common/stream_flags_decoder.c
View file

@ -38,7 +38,7 @@ lzma_stream_header_decode(lzma_stream_flags *options, const uint8_t *in)
// and unsupported files.
const uint32_t crc = lzma_crc32(in + sizeof(lzma_header_magic),
LZMA_STREAM_FLAGS_SIZE, 0);
if (crc != unaligned_read32le(in + sizeof(lzma_header_magic)
if (crc != read32le(in + sizeof(lzma_header_magic)
+ LZMA_STREAM_FLAGS_SIZE)) {
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
return LZMA_DATA_ERROR;
@ -70,7 +70,7 @@ lzma_stream_footer_decode(lzma_stream_flags *options, const uint8_t *in)
// CRC32
const uint32_t crc = lzma_crc32(in + sizeof(uint32_t),
sizeof(uint32_t) + LZMA_STREAM_FLAGS_SIZE, 0);
if (crc != unaligned_read32le(in)) {
if (crc != read32le(in)) {
#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
return LZMA_DATA_ERROR;
#endif
@ -81,7 +81,7 @@ lzma_stream_footer_decode(lzma_stream_flags *options, const uint8_t *in)
return LZMA_OPTIONS_ERROR;
// Backward Size
options->backward_size = unaligned_read32le(in + sizeof(uint32_t));
options->backward_size = read32le(in + sizeof(uint32_t));
options->backward_size = (options->backward_size + 1) * 4;
return LZMA_OK;

8
src/liblzma/common/stream_flags_encoder.c
View file

@ -46,8 +46,8 @@ lzma_stream_header_encode(const lzma_stream_flags *options, uint8_t *out)
const uint32_t crc = lzma_crc32(out + sizeof(lzma_header_magic),
LZMA_STREAM_FLAGS_SIZE, 0);
unaligned_write32le(out + sizeof(lzma_header_magic)
+ LZMA_STREAM_FLAGS_SIZE, crc);
write32le(out + sizeof(lzma_header_magic) + LZMA_STREAM_FLAGS_SIZE,
crc);
return LZMA_OK;
}
@ -66,7 +66,7 @@ lzma_stream_footer_encode(const lzma_stream_flags *options, uint8_t *out)
if (!is_backward_size_valid(options))
return LZMA_PROG_ERROR;
unaligned_write32le(out + 4, options->backward_size / 4 - 1);
write32le(out + 4, options->backward_size / 4 - 1);
// Stream Flags
if (stream_flags_encode(options, out + 2 * 4))
@ -76,7 +76,7 @@ lzma_stream_footer_encode(const lzma_stream_flags *options, uint8_t *out)
const uint32_t crc = lzma_crc32(
out + 4, 4 + LZMA_STREAM_FLAGS_SIZE, 0);
unaligned_write32le(out, crc);
write32le(out, crc);
// Magic
memcpy(out + 2 * 4 + LZMA_STREAM_FLAGS_SIZE,

2
src/liblzma/lz/lz_encoder_hash.h
View file

@ -39,7 +39,7 @@
// Endianness doesn't matter in hash_2_calc() (no effect on the output).
#ifdef TUKLIB_FAST_UNALIGNED_ACCESS
# define hash_2_calc() \
const uint32_t hash_value = unaligned_read16ne(cur)
const uint32_t hash_value = read16ne(cur)
#else
# define hash_2_calc() \
const uint32_t hash_value \

2
src/liblzma/lzma/lzma_decoder.c
View file

@ -1049,7 +1049,7 @@ lzma_lzma_props_decode(void **options, const lzma_allocator *allocator,
// All dictionary sizes are accepted, including zero. LZ decoder
// will automatically use a dictionary at least a few KiB even if
// a smaller dictionary is requested.
opt->dict_size = unaligned_read32le(props + 1);
opt->dict_size = read32le(props + 1);
opt->preset_dict = NULL;
opt->preset_dict_size = 0;

2
src/liblzma/lzma/lzma_encoder.c
View file

@ -663,7 +663,7 @@ lzma_lzma_props_encode(const void *options, uint8_t *out)
if (lzma_lzma_lclppb_encode(opt, out))
return LZMA_PROG_ERROR;
unaligned_write32le(out + 1, opt->dict_size);
write32le(out + 1, opt->dict_size);
return LZMA_OK;
}

3
src/liblzma/lzma/lzma_encoder_private.h
View file

@ -25,8 +25,7 @@
// MATCH_LEN_MIN bytes. Unaligned access gives tiny gain so there's no
// reason to not use it when it is supported.
#ifdef TUKLIB_FAST_UNALIGNED_ACCESS
# define not_equal_16(a, b) \
(unaligned_read16ne(a) != unaligned_read16ne(b))
# define not_equal_16(a, b) (read16ne(a) != read16ne(b))
#else
# define not_equal_16(a, b) \
((a)[0] != (b)[0] || (a)[1] != (b)[1])

2
src/liblzma/simple/simple_decoder.c
View file

@ -28,7 +28,7 @@ lzma_simple_props_decode(void **options, const lzma_allocator *allocator,
if (opt == NULL)
return LZMA_MEM_ERROR;
opt->start_offset = unaligned_read32le(props);
opt->start_offset = read32le(props);
// Don't leave an options structure allocated if start_offset is zero.
if (opt->start_offset == 0)

2
src/liblzma/simple/simple_encoder.c
View file

@ -32,7 +32,7 @@ lzma_simple_props_encode(const void *options, uint8_t *out)
if (opt == NULL || opt->start_offset == 0)
return LZMA_OK;
unaligned_write32le(out, opt->start_offset);
write32le(out, opt->start_offset);
return LZMA_OK;
}

4
tests/test_block_header.c
View file

@ -212,7 +212,7 @@ test3(void)
// Unsupported filter
// NOTE: This may need updating when new IDs become supported.
buf[2] ^= 0x1F;
unaligned_write32le(buf + known_options.header_size - 4,
write32le(buf + known_options.header_size - 4,
lzma_crc32(buf, known_options.header_size - 4, 0));
expect(lzma_block_header_decode(&decoded_options, NULL, buf)
== LZMA_OPTIONS_ERROR);
@ -220,7 +220,7 @@ test3(void)
// Non-nul Padding
buf[known_options.header_size - 4 - 1] ^= 1;
unaligned_write32le(buf + known_options.header_size - 4,
write32le(buf + known_options.header_size - 4,
lzma_crc32(buf, known_options.header_size - 4, 0));
expect(lzma_block_header_decode(&decoded_options, NULL, buf)
== LZMA_OPTIONS_ERROR);

6
tests/test_stream_flags.c
View file

@ -133,13 +133,13 @@ test_decode_invalid(void)
// Test 2a (valid CRC32)
uint32_t crc = lzma_crc32(buffer + 6, 2, 0);
unaligned_write32le(buffer + 8, crc);
write32le(buffer + 8, crc);
succeed(test_header_decoder(LZMA_OK));
// Test 2b (invalid Stream Flags with valid CRC32)
buffer[6] ^= 0x20;
crc = lzma_crc32(buffer + 6, 2, 0);
unaligned_write32le(buffer + 8, crc);
write32le(buffer + 8, crc);
succeed(test_header_decoder(LZMA_OPTIONS_ERROR));
// Test 3 (invalid CRC32)
@ -151,7 +151,7 @@ test_decode_invalid(void)
expect(lzma_stream_footer_encode(&known_flags, buffer) == LZMA_OK);
buffer[9] ^= 0x40;
crc = lzma_crc32(buffer + 4, 6, 0);
unaligned_write32le(buffer, crc);
write32le(buffer, crc);
succeed(test_footer_decoder(LZMA_OPTIONS_ERROR));
// Test 5 (invalid Magic Bytes)