mirror of
https://github.com/RetroPortingToolKit/psxrecomp
synced 2026-10-26 02:11:36 -04:00
Matthew Stanley
43 lines
1.5 KiB
C++
43 lines
1.5 KiB
C++
#pragma once
|
|
#include <filesystem>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <cwchar>
|
|
#if defined(_WIN32)
|
|
#ifndef WIN32_LEAN_AND_MEAN
|
|
#define WIN32_LEAN_AND_MEAN
|
|
#endif
|
|
#include <windows.h>
|
|
#else
|
|
#include <sys/stat.h>
|
|
#endif
|
|
namespace PSXRecompV4 {
|
|
// A failed identity is never a cache hit; callers must verify content instead.
|
|
inline bool host_file_identity(const std::filesystem::path& path, std::string& identity) {
|
|
identity.clear();
|
|
#if defined(_WIN32)
|
|
// NTFS change/write timestamps can collide across immediate rewrites,
|
|
// including same-size writes with a restored mtime. A file USN alone also
|
|
// cannot qualify persistent receipts: it may be zero or reset with its
|
|
// journal, and the query is unavailable over SMB3. Until a journal-bound
|
|
// change identity is qualified, retain the portable full-verification path.
|
|
(void)path;
|
|
return false;
|
|
#else
|
|
std::ostringstream out;
|
|
struct stat info{};
|
|
if (stat(path.c_str(), &info) || !S_ISREG(info.st_mode) || info.st_ino == 0) return false;
|
|
out << "posix1:" << info.st_dev << ':' << info.st_ino << ':' << info.st_size;
|
|
#if defined(__APPLE__)
|
|
out << ':' << info.st_mtimespec.tv_sec << ':' << info.st_mtimespec.tv_nsec
|
|
<< ':' << info.st_ctimespec.tv_sec << ':' << info.st_ctimespec.tv_nsec;
|
|
#else
|
|
out << ':' << info.st_mtim.tv_sec << ':' << info.st_mtim.tv_nsec
|
|
<< ':' << info.st_ctim.tv_sec << ':' << info.st_ctim.tv_nsec;
|
|
#endif
|
|
identity = out.str();
|
|
return true;
|
|
#endif
|
|
}
|
|
}
|