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epee: use std::filesystem::file_size to implement epee::file_io_utils::get_file_size

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Fixes #9513
This commit is contained in:
jeffro256 2024-10-10 12:43:57 -05:00
parent 9866a0e902
commit 5fe16708d6
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GPG key ID: 6F79797A6E392442
1 changed files with 4 additions and 29 deletions
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33
contrib/epee/src/file_io_utils.cpp
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@ -26,6 +26,7 @@
#include "file_io_utils.h" #include "file_io_utils.h"
#include <filesystem>
#include <fstream> #include <fstream>
#include <boost/filesystem/path.hpp> #include <boost/filesystem/path.hpp>
#include <boost/filesystem/operations.hpp> #include <boost/filesystem/operations.hpp>
@ -153,35 +154,9 @@ namespace file_io_utils
bool get_file_size(const std::string& path_to_file, uint64_t &size) bool get_file_size(const std::string& path_to_file, uint64_t &size)
{ {
#ifdef _WIN32 std::error_code ec;
std::wstring wide_path; size = static_cast<uint64_t>(std::filesystem::file_size(path_to_file, ec));
try { wide_path = string_tools::utf8_to_utf16(path_to_file); } catch (...) { return false; } return !ec;
HANDLE file_handle = CreateFileW(wide_path.c_str(), GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (file_handle == INVALID_HANDLE_VALUE)
return false;
LARGE_INTEGER file_size;
BOOL result = GetFileSizeEx(file_handle, &file_size);
CloseHandle(file_handle);
if (result) {
size = file_size.QuadPart;
}
return size;
#else
try
{
std::ifstream fstream;
fstream.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fstream.open(path_to_file, std::ios_base::binary | std::ios_base::in | std::ios::ate);
size = fstream.tellg();
fstream.close();
return true;
}
catch(...)
{
return false;
}
#endif
} }
} }