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// Copyright (c) 2017 Egor Tensin <Egor.Tensin@gmail.com>
// This file is part of the "PDB repository" project.
// For details, see https://github.com/egor-tensin/pdb-repo.
// Distributed under the MIT License.
#include "pdb/all.hpp"
#include <windows.h>
#include <string>
namespace pdb {
namespace error {
namespace {
std::string trim_trailing_newline(const std::string& s) {
const auto last_pos = s.find_last_not_of("\r\n");
if (std::string::npos == last_pos)
return {};
return s.substr(0, last_pos + 1);
}
} // namespace
std::string CategoryWindows::message(int code) const {
char* buf;
const auto nbwritten = FormatMessageA(
FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
code,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<char*>(&buf),
0,
NULL);
if (0 == nbwritten) {
LocalFree(buf);
return "Couldn't format the error message";
}
std::string msg{buf, nbwritten};
LocalFree(buf);
return trim_trailing_newline(msg);
}
} // namespace error
} // namespace pdb
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