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polybar/include/utils/file.hpp
2016-11-19 06:26:07 +01:00

37 lines
648 B
C++

#pragma once
#include "common.hpp"
POLYBAR_NS
namespace file_util {
/**
* RAII file wrapper
*/
class file_ptr {
public:
explicit file_ptr(const string& path, const string& mode = "a+")
: m_path(string(path)), m_mode(string(mode)) {
m_ptr = fopen(m_path.c_str(), m_mode.c_str());
}
~file_ptr();
operator bool();
FILE* operator()();
protected:
FILE* m_ptr = nullptr;
string m_path;
string m_mode;
};
bool exists(string filename);
string get_contents(string filename);
void set_block(int fd);
void set_nonblock(int fd);
bool is_fifo(string filename);
}
POLYBAR_NS_END