mirror of
https://gitlab.com/Mr_Goldberg/goldberg_emulator.git
synced 2024-11-14 00:18:58 +01:00
61 lines
1.6 KiB
C++
61 lines
1.6 KiB
C++
|
/*
|
||
|
|
* Copyright (C) Nemirtingas
|
||
|
|
* This file is part of System.
|
||
|
|
*
|
||
|
|
* System is free software; you can redistribute it
|
||
|
|
* and/or modify it under the terms of the GNU Lesser General Public
|
||
|
|
* License as published by the Free Software Foundation; either
|
||
|
|
* version 3 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* System 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
|
||
|
|
* Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public
|
||
|
|
* License along with System; if not, see
|
||
|
|
* <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "System_internals.h"
|
||
|
|
|
||
|
|
#if defined(SYSTEM_OS_WINDOWS)
|
||
|
|
#define WIN32_LEAN_AND_MEAN
|
||
|
|
#define VC_EXTRALEAN
|
||
|
|
#define NOMINMAX
|
||
|
|
#include <Windows.h>
|
||
|
|
|
||
|
|
namespace System {
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#elif defined(SYSTEM_OS_LINUX)
|
||
|
|
#include <sys/stat.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
namespace System {
|
||
|
|
SYSTEM_HIDE_API(std::string, SYSTEM_CALL_DEFAULT) ExpandSymlink(std::string file_path)
|
||
|
|
{
|
||
|
|
struct stat file_stat;
|
||
|
|
std::string link_target;
|
||
|
|
ssize_t name_len = 128;
|
||
|
|
while(lstat(file_path.c_str(), &file_stat) >= 0 && S_ISLNK(file_stat.st_mode) == 1)
|
||
|
|
{
|
||
|
|
do
|
||
|
|
{
|
||
|
|
name_len *= 2;
|
||
|
|
link_target.resize(name_len);
|
||
|
|
name_len = readlink(file_path.c_str(), &link_target[0], link_target.length());
|
||
|
|
} while (name_len == link_target.length());
|
||
|
|
link_target.resize(name_len);
|
||
|
|
file_path = std::move(link_target);
|
||
|
|
}
|
||
|
|
|
||
|
|
return file_path;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|