fs.h File Reference

#include <iostream>
#include <string>
#include <vector>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <pwd.h>
#include <grp.h>
#include <sys/param.h>
#include <sys/mount.h>
#include <sys/statvfs.h>
#include <sys/vfs.h>
#include "types.h"

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Classes

class filestatus

Retrieve information about a file or directory. More...

class subdirectory

Retrieve a list of files in a subdirectory that match a given wildcard filename. More...

class directory

Retrieve a list of pathnames that match a given wildcard path. More...

class filesystem

Retrieve information about a filesystem. More...

Defines

#define STATFS statfs

Functions

const std::string cwd (void)

Return the current working directory.

const pid_t pid (void)

Return the PID of this process.

const pid_t parent_pid (void)

Return the PID of the parent process.

bool absolute_path (const std::string &a_path)

Return true if the string looks like an absolute path.

bool relative_path (const std::string &a_path)

Return true if the string looks like a relative path.

std::string reform_path (const std::string &a_path)

Reformat a path to remove double slashes.

std::string permute_path (const std::string &a_path)

Reformat a path to remove the begining and trailing slashes, and replace all other slashes with underscores.

std::string path_basename (const std::string &a_path)

Return everything after the last slash from a path.

std::string path_dirname (const std::string &a_path)

Return everything up to the last slash from a path.

std::string mk_absolute_path (const std::string a_path, const std::string a_rel_path)

Make the path a_rel_path absolute with respect to a_path, where a_rel_path and a_path are directory names.

std::string mk_relative_path (const std::string a_path_to, const std::string a_path_from)

Make the path a_path_to relative from a_path_from, where a_path_to and a_path_from are directory names.

bool exists (const std::string &a_path)

Return true if the file or directory exists.

bool readable (const std::string &a_path)

Return true if the file or directory exists and is readable.

bool writable (const std::string &a_path)

Return true if the file or directory exists and is writable.

bool executable (const std::string &a_path)

Return true if the file or directory exists and is executable.

void mk_dir (const std::string &a_path)

Create a directory.

void rm_dir (const std::string a_path)

Remove a directory.

void rm_file (const std::string a_path)

Remove a file.

void mk_dirhier (const std::string a_path)

Recursively create a directory heirarchy.

void rename_file (const std::string a_from, const std::string a_to)

Rename a file or directory.

void mk_symlink (const std::string a_from, const std::string a_to)

Create a symbolic link.

void mk_relative_symlink (const std::string a_from, const std::string a_to)

Given a from and to path, create a relative symbolic link.

void rm_recursive (const std::string a_path)

Recursively delete the contents of a directory.

Define Documentation

#define STATFS statfs

Definition at line 59 of file fs.h.
Referenced by filesystem::path().

Function Documentation

bool absolute_path ( const std::string & a_path )

Return true if the string looks like an absolute path.

Definition at line 186 of file fs.cc.
Referenced by relative_path().

const std::string cwd ( void )

Return the current working directory.

Definition at line 148 of file fs.cc.
References ERROR, and TRY_nomem.
Referenced by test_cwd(), and test_filesystem().

bool executable ( const std::string & a_path )

Return true if the file or directory exists and is executable.

Definition at line 415 of file fs.cc.
Referenced by test_executable().

bool exists ( const std::string & a_path )

Return true if the file or directory exists.

Definition at line 385 of file fs.cc.
Referenced by archive_manager::archive(), report_manager::file_report(), log_manager::init(), job_archiver::mf_do_chores(), mk_dirhier(), mk_dirhier_recursive_(), directory::path(), rename_file(), rm_recursive(), test_executable(), test_exists(), test_filestatus(), test_mk_dir(), test_mk_dirhier(), test_mk_relative_symlink(), test_mk_symlink(), test_rm_dir(), test_rm_file(), test_rm_recursive(), and test_rvm().

std::string mk_absolute_path ( const std::string a_path,

const std::string a_rel_path

)

Make the path a_rel_path absolute with respect to a_path, where a_rel_path and a_path are directory names.

Definition at line 282 of file fs.cc.
References ERROR, INTERNAL_ERROR, reform_path(), relative_path(), and TRY_nomem.