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Linux中获取当前进程的绝对路径
- 【Linux中获取当前进程的绝对路径】通过readlink的方式获取。
bool GetExePath(std::string &path)
{
std::string exe_path(PATH_MAX, std::string::value_type());
auto exe_path_len = readlink("/proc/self/exe", &exe_path[0], exe_path.size());
if (exe_path_len < 0) {
std::cerr << "readlink failed!, exe_path_len < 0"<< std::endl;
return false;
} else if (static_cast(exe_path_len) >= exe_path.size()) {
std::cerr << "readlink failed!, exe_path_len >= exe_path.size()"<< std::endl;
return false;
}exe_path.resize(exe_path_len);
auto pos = exe_path.rfind('/');
if (pos == std::string::npos) {
std::cerr << "exe_path.rfind fail!, exe_path.rfind = npos"<< std::endl;
return false;
}
path = exe_path.substr(0, pos);
return true;
}
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