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include/libeosio/checksum.hpp: Use plain c-array instead of std::array

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This commit is contained in:
Henrik Hautakoski 2023-03-27 15:20:10 +02:00
parent abecabba99
commit 33d3440f53
3 changed files with 36 additions and 27 deletions
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16
include/libeosio/checksum.hpp
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@ -26,7 +26,6 @@
#include <cstdint>
#include <cstring>
#include <array>
#include <libeosio/hash.hpp>
namespace libeosio {
@ -39,7 +38,7 @@ namespace libeosio {
/**
* Checksum datatype
*/
typedef std::array<unsigned char, CHECKSUM_SIZE> checksum_t;
typedef unsigned char checksum_t[CHECKSUM_SIZE];
/**
* Checksum template function.
@ -48,19 +47,18 @@ typedef std::array<unsigned char, CHECKSUM_SIZE> checksum_t;
* - F: Hash calculation function, should have the signature `T* F(const unsigned char *, std::size_t, T*)`
*/
template <typename T, T* (*F)(const unsigned char *, std::size_t, T*)>
inline checksum_t checksum(const unsigned char* data, std::size_t len) {
checksum_t crc;
inline void checksum(const unsigned char* data, std::size_t len, checksum_t crc) {
T hash;
F(data, len, &hash);
std::memcpy(crc.data(), &hash, crc.size());
return crc;
std::memcpy(crc, &hash, CHECKSUM_SIZE);
}
template <checksum_t (*F)(const unsigned char *, std::size_t)>
template <void (*F)(const unsigned char *, std::size_t, checksum_t)>
inline bool checksum_validate(const unsigned char* data, std::size_t len) {
checksum_t check = F(data, len - CHECKSUM_SIZE);
return !memcmp(check.data(), data + (len - CHECKSUM_SIZE), CHECKSUM_SIZE);
checksum_t crc;
F(data, len - CHECKSUM_SIZE, crc);
return !memcmp(crc, data + (len - CHECKSUM_SIZE), CHECKSUM_SIZE);
}
/**