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C++11 compiler is needed: Target "crc32c" requires the language dialect "CXX11" , but CMake does not know the compile flags to use to enable it. Additionally, big-endian code in src/crc32c_read_le.h needs fixing - the value is 64 bits wide, not 32 bits. PR: 239420 Approved by: amzo1337@gmail.com (maintainer), tcberner (mentor) Differential Revision: https://reviews.freebsd.org/D21054
25 lines
1.6 KiB
C
25 lines
1.6 KiB
C
--- src/crc32c_read_le.h.orig 2019-07-24 07:21:23 UTC
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+++ src/crc32c_read_le.h
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@@ -30,14 +30,14 @@ inline uint32_t ReadUint32LE(const uint8_t* buffer) {
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// Reads a little-endian 64-bit integer from a 64-bit-aligned buffer.
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inline uint64_t ReadUint64LE(const uint8_t* buffer) {
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#if BYTE_ORDER_BIG_ENDIAN
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- return ((static_cast<uint32_t>(static_cast<uint8_t>(buffer[0]))) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[1])) << 8) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[2])) << 16) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[3])) << 24) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[4])) << 32) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[5])) << 40) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[6])) << 48) |
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- (static_cast<uint32_t>(static_cast<uint8_t>(buffer[7])) << 56));
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+ return ((static_cast<uint64_t>(static_cast<uint8_t>(buffer[0]))) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[1])) << 8) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[2])) << 16) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[3])) << 24) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[4])) << 32) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[5])) << 40) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[6])) << 48) |
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+ (static_cast<uint64_t>(static_cast<uint8_t>(buffer[7])) << 56));
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#else // !BYTE_ORDER_BIG_ENDIAN
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uint64_t result;
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// This should be optimized to a single instruction.
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