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27 lines
880 B
C
27 lines
880 B
C
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#ifndef XIV_UTILS_CRC32_H
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#define XIV_UTILS_CRC32_H
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#include <cstdint>
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#include <vector>
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#include <string>
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namespace xiv {
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namespace utils {
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namespace crc32 {
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// Normal crc32 computation from a given intial crc value, use zlib.crc32 instead, the final XOR 0xFFFFFFFF is not done
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uint32_t compute( const std::string& i_input, uint32_t init_crc = 0xFFFFFFFF );
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// Computes the 4 missing bytes XXXX such as init_crc = crc32(prefix_string)
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// and string_to_find = prefix_string + XXXX + i_input
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uint32_t rev_compute( const std::string& i_input, uint32_t init_crc = 0 );
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void generate_hashes_1( std::string& i_format, const uint32_t i_first_index, std::vector< uint32_t >& o_hashes );
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void generate_hashes_2( std::string& i_format, const uint32_t i_first_index, const uint32_t i_second_index, std::vector< uint32_t >& o_hashes );
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}
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}
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}
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#endif // XIV_UTILS_CRC32_H
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