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Your Name 2025-05-17 08:53:21 +12:00
parent d26ff959f8
commit 8fe443d929
1 changed files with 12 additions and 3 deletions
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15
src/hash.cpp
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@ -1,4 +1,5 @@
#include "hash.hpp" #include "hash.hpp"
#define XXH_INLINE_ALL
#include "xxhash.hpp" #include "xxhash.hpp"
#include <fstream> #include <fstream>
#include <sstream> #include <sstream>
@ -18,7 +19,15 @@ std::string hash_data(const std::string& data) {
std::string hash_file(const std::string& path) { std::string hash_file(const std::string& path) {
std::ifstream file(path, std::ios::binary); std::ifstream file(path, std::ios::binary);
if (!file) return ""; if (!file) return "";
std::ostringstream oss; XXH64_state_t* state = XXH64_createState();
oss << file.rdbuf(); XXH64_reset(state, 0);
return hash_data(oss.str()); char buf[4096];
while (file) {
file.read(buf, sizeof(buf));
std::streamsize n = file.gcount();
if (n > 0) XXH64_update(state, buf, static_cast<size_t>(n));
}
uint64_t h = XXH64_digest(state);
XXH64_freeState(state);
return to_hex64(h);
} }