File System Checks

Functions
bool	fileExists (const char *filePath)
	Check if a file exists.
bool	fileWritable (const char *filePath)
	Check if a file is writable, using the effective user and group identifiers of the calling process.
bool	fileReadable (const char *filePath)
	Check if a file is readable, usinig the effective user and group identifiers of the calling process.

Detailed Description

Function Documentation

fileExists()

bool fileExists

(

const char *

filePath

)

Check if a file exists.

Parameters

filePath

File path to check.

Returns

true Return true if file exists.

false Return false if file does not exist.

fileReadable()

bool fileReadable

(

const char *

filePath

)

Check if a file is readable, usinig the effective user and group identifiers of the calling process.

Remarks

Race conditions may arise between calling the underlying function euidaccess and actually reading the file.

Parameters

filePath

File path to check.

Returns

true Return true if read access is granted.

false Return false if read access is not granted

fileWritable()

bool fileWritable

(

const char *

filePath

)

Check if a file is writable, using the effective user and group identifiers of the calling process.

Remarks

Race conditions may arise between calling the underlying function euidaccess and actually writing the file.

Parameters

filePath

File path to check.

Returns

true Return true if write access is granted.

false Return false if write access is not granted