From 00517d125cc26ecece0eebb84c1c3975cd19bee0 Mon Sep 17 00:00:00 2001 From: Lasse Collin Date: Tue, 31 Dec 2019 22:41:45 +0200 Subject: [PATCH] Rename unaligned_read32ne to read32ne, and similarly for the others. --- src/common/tuklib_integer.h | 64 +++++++++++------------ src/liblzma/common/alone_encoder.c | 2 +- src/liblzma/common/block_header_decoder.c | 2 +- src/liblzma/common/block_header_encoder.c | 2 +- src/liblzma/common/memcmplen.h | 9 ++-- src/liblzma/common/stream_flags_decoder.c | 6 +-- src/liblzma/common/stream_flags_encoder.c | 8 +-- src/liblzma/lz/lz_encoder_hash.h | 2 +- src/liblzma/lzma/lzma_decoder.c | 2 +- src/liblzma/lzma/lzma_encoder.c | 2 +- src/liblzma/lzma/lzma_encoder_private.h | 3 +- src/liblzma/simple/simple_decoder.c | 2 +- src/liblzma/simple/simple_encoder.c | 2 +- tests/test_block_header.c | 4 +- tests/test_stream_flags.c | 6 +-- 15 files changed, 54 insertions(+), 62 deletions(-) diff --git a/src/common/tuklib_integer.h b/src/common/tuklib_integer.h index e0f5dbee..6f44a7a0 100644 --- a/src/common/tuklib_integer.h +++ b/src/common/tuklib_integer.h @@ -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); diff --git a/src/liblzma/common/alone_encoder.c b/src/liblzma/common/alone_encoder.c index c4560d58..96c1db70 100644 --- a/src/liblzma/common/alone_encoder.c +++ b/src/liblzma/common/alone_encoder.c @@ -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); diff --git a/src/liblzma/common/block_header_decoder.c b/src/liblzma/common/block_header_decoder.c index 449edaa5..2e1135dd 100644 --- a/src/liblzma/common/block_header_decoder.c +++ b/src/liblzma/common/block_header_decoder.c @@ -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)) return LZMA_DATA_ERROR; // Check for unsupported flags. diff --git a/src/liblzma/common/block_header_encoder.c b/src/liblzma/common/block_header_encoder.c index 5c5f5424..160425d2 100644 --- a/src/liblzma/common/block_header_encoder.c +++ b/src/liblzma/common/block_header_encoder.c @@ -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; } diff --git a/src/liblzma/common/memcmplen.h b/src/liblzma/common/memcmplen.h index 25debf6a..dcfd8d6f 100644 --- a/src/liblzma/common/memcmplen.h +++ b/src/liblzma/common/memcmplen.h @@ -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; diff --git a/src/liblzma/common/stream_flags_decoder.c b/src/liblzma/common/stream_flags_decoder.c index 1bc2f97c..4e43e359 100644 --- a/src/liblzma/common/stream_flags_decoder.c +++ b/src/liblzma/common/stream_flags_decoder.c @@ -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)) return LZMA_DATA_ERROR; @@ -67,7 +67,7 @@ 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)) return LZMA_DATA_ERROR; // Stream Flags @@ -75,7 +75,7 @@ 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; diff --git a/src/liblzma/common/stream_flags_encoder.c b/src/liblzma/common/stream_flags_encoder.c index 4e717159..b98ab17c 100644 --- a/src/liblzma/common/stream_flags_encoder.c +++ b/src/liblzma/common/stream_flags_encoder.c @@ -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, diff --git a/src/liblzma/lz/lz_encoder_hash.h b/src/liblzma/lz/lz_encoder_hash.h index f238f9d9..fb15c581 100644 --- a/src/liblzma/lz/lz_encoder_hash.h +++ b/src/liblzma/lz/lz_encoder_hash.h @@ -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 \ diff --git a/src/liblzma/lzma/lzma_decoder.c b/src/liblzma/lzma/lzma_decoder.c index 9af500f0..e605a0a9 100644 --- a/src/liblzma/lzma/lzma_decoder.c +++ b/src/liblzma/lzma/lzma_decoder.c @@ -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; diff --git a/src/liblzma/lzma/lzma_encoder.c b/src/liblzma/lzma/lzma_encoder.c index ba9ce698..07d2b87b 100644 --- a/src/liblzma/lzma/lzma_encoder.c +++ b/src/liblzma/lzma/lzma_encoder.c @@ -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; } diff --git a/src/liblzma/lzma/lzma_encoder_private.h b/src/liblzma/lzma/lzma_encoder_private.h index e3d79429..2e34aace 100644 --- a/src/liblzma/lzma/lzma_encoder_private.h +++ b/src/liblzma/lzma/lzma_encoder_private.h @@ -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]) diff --git a/src/liblzma/simple/simple_decoder.c b/src/liblzma/simple/simple_decoder.c index 1d864f2b..dc4d2415 100644 --- a/src/liblzma/simple/simple_decoder.c +++ b/src/liblzma/simple/simple_decoder.c @@ -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) diff --git a/src/liblzma/simple/simple_encoder.c b/src/liblzma/simple/simple_encoder.c index 8aa463be..d2cc03e5 100644 --- a/src/liblzma/simple/simple_encoder.c +++ b/src/liblzma/simple/simple_encoder.c @@ -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; } diff --git a/tests/test_block_header.c b/tests/test_block_header.c index 7cd38985..373a8077 100644 --- a/tests/test_block_header.c +++ b/tests/test_block_header.c @@ -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); diff --git a/tests/test_stream_flags.c b/tests/test_stream_flags.c index b40d035b..39304cd4 100644 --- a/tests/test_stream_flags.c +++ b/tests/test_stream_flags.c @@ -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)