cfile.h

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#ifndef __lib_base_cfile_h
#define __lib_base_cfile_h
 
#include <stdio.h>
#include <string>
 
typedef long long pts_t;
 
/* Wrapper around FILE to prevent leaks and to make your code a bit more OO */
struct CFile
{
  FILE *handle;
  CFile(const char *filename, const char *mode)
    : handle(fopen(filename, mode))
  {}
  CFile(const std::string &filename, const char *mode)
    : handle(fopen(filename.c_str(), mode))
  {}
  ~CFile()
  {
    if (handle)
      fclose(handle);
  }
  void sync() { fsync(fileno(handle)); }
  operator bool() const { return handle != NULL; }
  operator FILE*() const { return handle; }
 
  /* Fetch integer from /proc files and such */
  static int parseIntHex(int *result, const char *filename);
  static int parseInt(int *result, const char *filename);
  static int parsePts_t(pts_t *result, const char *filename);
  static int writeIntHex(const char *filename, int value);
  static int writeInt(const char *filename, int value);
  static int writeStr(const char *filename, std::string value);
  static int write(const char *filename, const char *value);
  static std::string read(const std::string &filename);
  static bool contains_word(const std::string &filename, const std::string &word);
};
 
#endif