filesystem.h File Reference

#include <stdbool.h>
#include <stddef.h>
#include "rcutils/macros.h"
#include "rcutils/visibility_control.h"

Go to the source code of this file.

Functions
bool	rcutils_get_cwd (char *buffer, size_t max_length)
	Return current working directory. More...
bool	rcutils_is_directory (const char *abs_path)
	Check if the provided path points to a directory. More...
bool	rcutils_is_file (const char *abs_path)
	Check if the provided path points to a file. More...
bool	rcutils_exists (const char *abs_path)
	Check if the provided path points to an existing file/folder. More...
bool	rcutils_is_readable (const char *abs_path)
	Check if the provided path points to a file/folder readable by current user. More...
bool	rcutils_is_writable (const char *abs_path)
	Check if the provided path points to a file/folder writable by current user. More...
bool	rcutils_is_readable_and_writable (const char *abs_path)
	Check if the provided path points to a file/folder both readable and writable by current user. More...
const char *	rcutils_join_path (const char *left_hand_path, const char *right_hand_path)
	Concatenate path adding the right delimiter according to the platform. More...

Function Documentation

rcutils_get_cwd()

bool rcutils_get_cwd	(	char *	buffer,
		size_t	max_length
	)

Return current working directory.

Parameters

[in]	buffer	Allocated string to store current directory path to
[in]	max_length	maximum length to be stored in buffer

Returns

bool True if success False if buffer is NULL False on failure

rcutils_is_directory()

bool rcutils_is_directory

(

const char *

abs_path

)

Check if the provided path points to a directory.

Parameters

[in]

abs_path

Absolute path to check.

Returns

bool True if directory False if abs_path is NULL False on failure

rcutils_is_file()

bool rcutils_is_file

(

const char *

abs_path

)

Check if the provided path points to a file.

Parameters

[in]

abs_path

Absolute path to check.

Returns

bool True if file False if abs_path is NULL False on failure

rcutils_exists()

bool rcutils_exists

(

const char *

abs_path

)

Check if the provided path points to an existing file/folder.

Parameters

[in]

abs_path

Absolute path to check.

Returns

bool True if the path exists False if abs_path is NULL False on failure

rcutils_is_readable()

bool rcutils_is_readable

(

const char *

abs_path

)

Check if the provided path points to a file/folder readable by current user.

Parameters

[in]

abs_path

Absolute path to check.

Returns

bool True if the file is readable False if abs_path is NULL False on failure

rcutils_is_writable()

bool rcutils_is_writable

(

const char *

abs_path

)

Check if the provided path points to a file/folder writable by current user.

Parameters

[in]

abs_path

Absolute path to check.

Returns

bool True if the file is writable False if abs_path is NULL False on failure

rcutils_is_readable_and_writable()

bool rcutils_is_readable_and_writable

(

const char *

abs_path

)

Check if the provided path points to a file/folder both readable and writable by current user.

Parameters

[in]

abs_path

Absolute path to check.

Returns

bool True if the file is redable and writable False otherwise False if abs_path is NULL False on failure

rcutils_join_path()

const char* rcutils_join_path	(	const char *	left_hand_path,
		const char *	right_hand_path
	)

Concatenate path adding the right delimiter according to the platform.

Parameters

[in]	left_hand_path
[in]	right_hand_path

Returns

const char * concatenated path on success NULL on invalid arguments NULL on failure