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tdlib-fork/tdutils/td/utils/Status.cpp

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//
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2018
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
#include "td/utils/Status.h"
#if TD_PORT_POSIX
#include "td/utils/port/thread_local.h"
#include <string.h>
#include <cstring>
#endif
#if TD_PORT_WINDOWS
#include "td/utils/port/wstring_convert.h"
#endif
namespace td {
#if TD_PORT_POSIX
CSlice strerror_safe(int code) {
const size_t size = 1000;
static TD_THREAD_LOCAL char *buf;
init_thread_local<char[]>(buf, size);
#if !defined(__GLIBC__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !_GNU_SOURCE)
strerror_r(code, buf, size);
return CSlice(buf, buf + std::strlen(buf));
#else
return CSlice(strerror_r(code, buf, size));
#endif
}
#endif
#if TD_PORT_WINDOWS
string winerror_to_string(int code) {
const size_t size = 1000;
wchar_t wbuf[size];
auto res_size = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, nullptr, code, 0, wbuf, size - 1, nullptr);
if (res_size == 0) {
return "Unknown windows error";
}
while (res_size != 0 && (wbuf[res_size - 1] == '\n' || wbuf[res_size - 1] == '\r')) {
res_size--;
}
return from_wstring(wbuf, res_size).ok();
}
#endif
} // namespace td