oprof_start_util.cpp File Reference

Miscellaneous helpers for the GUI start. More...

#include <dirent.h>
#include <unistd.h>
#include <glob.h>
#include <cerrno>
#include <vector>
#include <cmath>
#include <sstream>
#include <iostream>
#include <fstream>
#include <cstdlib>
#include <qfiledialog.h>
#include <qmessagebox.h>
#include "op_file.h"
#include "file_manip.h"
#include "child_reader.h"
#include "op_libiberty.h"
#include "oprof_start.h"
#include "oprof_start_util.h"

Include dependency graph for oprof_start_util.cpp:

Functions
string const	get_config_filename (string const &filename)
	get_config_filename - get absolute filename of file in user $HOME
bool	check_and_create_config_dir ()
	check_and_create_config_dir - make sure config dir is accessible
string const	format (string const &orig, uint const maxlen)
	format - re-format a string
int	do_exec_command (string const &cmd, vector< string > const &args)
	do_exec_command - execute a command
string const	do_open_file_or_dir (string const &base_dir, bool dir_only)
	do_open_file_or_dir - open file/directory
bool	verify_argument (string const &str)
	verify_argument - check string for potentially dangerous characters

---

Detailed Description

Miscellaneous helpers for the GUI start.

Remarks:

Copyright 2002 OProfile authors

Read the file COPYING

Author:

Philippe Elie

John Levon

---

Function Documentation

bool check_and_create_config_dir

(

)

check_and_create_config_dir - make sure config dir is accessible

Returns true if the dir is accessible.

References create_dir(), and get_config_filename().

int do_exec_command	(	string const &	cmd,
		vector< string > const &	args
	)

do_exec_command - execute a command

Parameters:

	cmd	command name
	args	arguments to command

Execute a command synchronously. An error message is shown if the command returns a non-zero status, which is also returned.

The arguments are verified and will refuse to execute if they contain shell metacharacters.

References error(), child_reader::error(), child_reader::error_str(), format(), child_reader::get_data(), child_reader::terminate_process(), and verify_argument().

Referenced by oprof_start::on_flush_profiler_data(), oprof_start::on_reset_sample_files(), oprof_start::on_start_profiler(), oprof_start::on_stop_profiler(), and oprof_start::oprof_start().

string const do_open_file_or_dir	(	string const &	base_dir,
		bool	dir_only
	)

do_open_file_or_dir - open file/directory

Parameters:

	base_dir	directory to start at
	dir_only	directory or filename to select

Select a file or directory. The selection is returned; an empty string if the selection was cancelled.

Referenced by oprof_start::choose_kernel_filename().

string const format	(	string const &	orig,
		uint const	maxlen
	)

format - re-format a string

Parameters:

	orig	string to format
	maxlen	width of line

Re-formats a string to fit into a certain width, breaking lines at spaces between words.

Returns the formatted string

Referenced by Agent_OnLoad(), and do_exec_command().

string const get_config_filename

(

string const &

filename

)

get_config_filename - get absolute filename of file in user $HOME

Parameters:

filename

the relative filename

Get the absolute path of a file in a user's home directory.

Referenced by check_and_create_config_dir().

bool verify_argument

(

string const &

str

)

verify_argument - check string for potentially dangerous characters

This function returns false if the string contains dangerous shell metacharacters.

WWW Security FAQ dangerous chars:

& ; ` ' \ | * ? ~ < > ^ ( ) [ ] { } $

David Wheeler: ! #

We allow '-' because we disallow whitespace. We allow ':' and '='

Referenced by do_exec_command().