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// Copyright (C) 2020-2022 Joel Rosdahl and other contributors
//
// See doc/AUTHORS.adoc for a complete list of contributors.
//
// This program is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 3 of the License, or (at your option)
// any later version.
//
// This program is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along with
// this program; if not, write to the Free Software Foundation, Inc., 51
// Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#include "Win32Util.hpp"
#include "Util.hpp"
#include <chrono>
#include <thread>
namespace {
template<typename Proc>
Proc*
get_proc_address(HMODULE module, const char* proc_name)
{
#if defined __GNUC__
# pragma GCC diagnostic push
# if __GNUC__ >= 8
# pragma GCC diagnostic ignored "-Wcast-function-type"
# endif
#endif
return reinterpret_cast<Proc*>(GetProcAddress(module, proc_name));
#if defined __GNUC__
# pragma GCC diagnostic pop
#endif
}
} // namespace
namespace Win32Util {
std::string
add_exe_suffix(const std::string& path)
{
auto ext = Util::to_lowercase(Util::get_extension(path));
if (ext == ".exe" || ext == ".bat" || ext == ".sh") {
return path;
} else {
return path + ".exe";
}
}
std::string
error_message(DWORD error_code)
{
LPSTR buffer;
size_t size =
FormatMessageA(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr,
error_code,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
reinterpret_cast<LPSTR>(&buffer),
0,
nullptr);
std::string message(buffer, size);
while (!message.empty()
&& (message.back() == '\n' || message.back() == '\r')) {
message.pop_back();
}
LocalFree(buffer);
return message;
}
std::string
argv_to_string(const char* const* argv,
const std::string& prefix,
bool escape_backslashes)
{
std::string result;
size_t i = 0;
const char* arg = prefix.empty() ? argv[i++] : prefix.c_str();
do {
int bs = 0;
result += '"';
for (size_t j = 0; arg[j]; ++j) {
switch (arg[j]) {
case '\\':
if (!escape_backslashes) {
++bs;
break;
}
[[fallthrough]];
case '"':
bs = (bs << 1) + 1;
[[fallthrough]];
default:
while (bs > 0) {
result += '\\';
--bs;
}
result += arg[j];
}
}
bs <<= 1;
while (bs > 0) {
result += '\\';
--bs;
}
result += "\" ";
} while ((arg = argv[i++]));
result.resize(result.length() - 1);
return result;
}
NTSTATUS
get_last_ntstatus()
{
static auto* get_last_ntstatus_fn = get_proc_address<NTSTATUS NTAPI()>(
GetModuleHandleA("ntdll.dll"), "RtlGetLastNtStatus");
return get_last_ntstatus_fn();
}
} // namespace Win32Util
struct tm*
localtime_r(time_t* _clock, struct tm* _result)
{
struct tm* p = localtime(_clock);
if (p)
*(_result) = *p;
return p;
}
// From: https://stackoverflow.com/a/40160038/262458
#ifdef _MSC_VER
int
vasprintf(char** strp, const char* fmt, va_list ap)
{
// _vscprintf tells you how big the buffer needs to be
int len = _vscprintf(fmt, ap);
if (len == -1) {
return -1;
}
size_t size = (size_t)len + 1;
char* str = static_cast<char*>(malloc(size));
if (!str) {
return -1;
}
// vsprintf_s is the "secure" version of vsprintf
int r = vsprintf_s(str, len + 1, fmt, ap);
if (r == -1) {
free(str);
return -1;
}
*strp = str;
return r;
}
#endif
// Also from: https://stackoverflow.com/a/40160038/262458
#ifdef _MSC_VER
int
asprintf(char** strp, const char* fmt, ...)
{
va_list ap;
va_start(ap, fmt);
int r = vasprintf(strp, fmt, ap);
va_end(ap);
return r;
}
#endif
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