I/O functions. More...

Functions
Basic File I/O
mode_t	redset_getmode (int read, int write, int execute)

int	redset_open (const char *file, int flags,...)

int	redset_close (const char *file, int fd)

int	redset_file_lock_read (const char *file, int fd)

int	redset_file_lock_write (const char *file, int fd)

int	redset_file_unlock (const char *file, int fd)

int	redset_open_with_lock (const char *file, int flags, mode_t mode)

int	redset_close_with_unlock (const char *file, int fd)

int	redset_lseek (const char *file, int fd, off_t pos, int whence)

ssize_t	redset_read (const char file, int fd, void buf, size_t size)

ssize_t	redset_write (const char file, int fd, const void buf, size_t size)

ssize_t	redset_read_attempt (const char file, int fd, void buf, size_t size)

ssize_t	redset_write_attempt (const char file, int fd, const void buf, size_t size)

ssize_t	redset_read_line (const char file, int fd, char buf, size_t size)

ssize_t	redset_writef (const char file, int fd, const char format,...)

int	redset_stat (const char file, struct stat statbuf)

unsigned long	redset_file_size (const char *file)

int	redset_file_exists (const char *file)

int	redset_file_is_readable (const char *file)

int	redset_file_is_writeable (const char *file)

int	redset_file_unlink (const char *file)

int	redset_crc32 (const char filename, uLong crc)

Directory functions
int	redset_mkdir (const char *dir, mode_t mode)

int	redset_rmdir (const char *dir)

int	redset_getcwd (char *buf, size_t size)

File Copy Functions
int	redset_file_copy (const char src_file, const char dst_file, unsigned long buf_size, uLong *crc)

File compression functions
int	redset_compress_in_place (const char file_src, const char file_dst, unsigned long block_size, int level)

int	redset_uncompress_in_place (const char file_src, const char file_dst)

int	redset_compress (const char file_src, const char file_dst, unsigned long block_size, int level)

int	redset_uncompress (const char file_src, const char file_dst)

Function Documentation

◆ redset_close()

int redset_close	(	const char *	file,
		int	fd
	)

close file with an fsync

◆ redset_close_with_unlock()

int redset_close_with_unlock	(	const char *	file,
		int	fd
	)

unlocks the specified file descriptor and then closes the file

◆ redset_compress()

int redset_compress	(	const char *	file_src,
		const char *	file_dst,
		unsigned long	block_size,
		int	level
	)

compress the specified file using blocks of size block_size and store as file_dst

◆ redset_compress_in_place()

int redset_compress_in_place	(	const char *	file_src,
		const char *	file_dst,
		unsigned long	block_size,
		int	level
	)

compress the specified file using blocks of size block_size and store as file_dst

◆ redset_crc32()

int redset_crc32	(	const char *	filename,
		uLong *	crc
	)

opens, reads, and computes the crc32 value for the given filename

◆ redset_file_copy()

int redset_file_copy	(	const char *	src_file,
		const char *	dst_file,
		unsigned long	buf_size,
		uLong *	crc
	)

◆ redset_file_exists()

int redset_file_exists ( const char * file )

tests whether the file or directory exists

◆ redset_file_is_readable()

int redset_file_is_readable ( const char * file )

tests whether the file or directory is readable

◆ redset_file_is_writeable()

int redset_file_is_writeable ( const char * file )

tests whether the file or directory is writeable

◆ redset_file_lock_read()

int redset_file_lock_read	(	const char *	file,
		int	fd
	)

get and release file locks

◆ redset_file_lock_write()

int redset_file_lock_write	(	const char *	file,
		int	fd
	)

◆ redset_file_size()

unsigned long redset_file_size ( const char * file )

given a filename, return number of bytes in file

◆ redset_file_unlink()

int redset_file_unlink ( const char * file )

delete a file

◆ redset_file_unlock()

int redset_file_unlock	(	const char *	file,
		int	fd
	)

◆ redset_getcwd()

int redset_getcwd	(	char *	buf,
		size_t	size
	)

write current working directory to buf

◆ redset_getmode()

mode_t redset_getmode	(	int	read,
		int	write,
		int	execute
	)

returns user's current mode as determine by his umask

◆ redset_lseek()

int redset_lseek	(	const char *	file,
		int	fd,
		off_t	pos,
		int	whence
	)

seek file descriptor to specified position

◆ redset_mkdir()

int redset_mkdir	(	const char *	dir,
		mode_t	mode
	)

recursively create directory and subdirectories

◆ redset_open()

int redset_open	(	const char *	file,
		int	flags,
			...
	)

open file with specified flags and mode, retry open a few times on failure

◆ redset_open_with_lock()

int redset_open_with_lock	(	const char *	file,
		int	flags,
		mode_t	mode
	)

opens specified file and waits on for an exclusive lock before returning the file descriptor

◆ redset_read()

ssize_t redset_read	(	const char *	file,
		int	fd,
		void *	buf,
		size_t	size
	)

reliable read from opened file descriptor (retries, if necessary, until hard error)

◆ redset_read_attempt()

ssize_t redset_read_attempt	(	const char *	file,
		int	fd,
		void *	buf,
		size_t	size
	)

make a good attempt to read from file (retries, if necessary, return error if fail)

◆ redset_read_line()

ssize_t redset_read_line	(	const char *	file,
		int	fd,
		char *	buf,
		size_t	size
	)

read line from file into buf with given size

◆ redset_rmdir()

int redset_rmdir ( const char * dir )

remove directory

◆ redset_stat()

int redset_stat	(	const char *	file,
		struct stat *	statbuf
	)

given a filename, return stat info

◆ redset_uncompress()

int redset_uncompress	(	const char *	file_src,
		const char *	file_dst
	)

uncompress the specified file and store as file_dst

◆ redset_uncompress_in_place()

int redset_uncompress_in_place	(	const char *	file_src,
		const char *	file_dst
	)