string_helpers.h File Reference

#include <linux/bits.h>
#include <linux/ctype.h>
#include <linux/string_choices.h>
#include <linux/string.h>
#include <linux/types.h>

Include dependency graph for string_helpers.h:

Go to the source code of this file.

Macros
#define	UNESCAPE_SPACE   BIT(0)
#define	UNESCAPE_OCTAL   BIT(1)
#define	UNESCAPE_HEX   BIT(2)
#define	UNESCAPE_SPECIAL   BIT(3)
#define	UNESCAPE_ANY    (UNESCAPE_SPACE | UNESCAPE_OCTAL | UNESCAPE_HEX | UNESCAPE_SPECIAL)
#define	UNESCAPE_ALL_MASK   GENMASK(3, 0)
#define	ESCAPE_SPACE   BIT(0)
#define	ESCAPE_SPECIAL   BIT(1)
#define	ESCAPE_NULL   BIT(2)
#define	ESCAPE_OCTAL   BIT(3)
#define	ESCAPE_ANY    (ESCAPE_SPACE | ESCAPE_OCTAL | ESCAPE_SPECIAL | ESCAPE_NULL)
#define	ESCAPE_NP   BIT(4)
#define	ESCAPE_ANY_NP   (ESCAPE_ANY | ESCAPE_NP)
#define	ESCAPE_HEX   BIT(5)
#define	ESCAPE_NA   BIT(6)
#define	ESCAPE_NAP   BIT(7)
#define	ESCAPE_APPEND   BIT(8)
#define	ESCAPE_ALL_MASK   GENMASK(8, 0)

Enumerations
enum	string_size_units {   STRING_UNITS_10 , STRING_UNITS_2 , STRING_UNITS_MASK = BIT(0) , STRING_UNITS_NO_SPACE = BIT(30) ,   STRING_UNITS_NO_BYTES = BIT(31) }

Functions
int	string_get_size (u64 size, u64 blk_size, const enum string_size_units units, char *buf, int len)
int	parse_int_array (const char *buf, size_t count, int **array)
int	parse_int_array_user (const char __user *from, size_t count, int **array)
int	string_unescape (char *src, char *dst, size_t size, unsigned int flags)
int	string_escape_mem (const char *src, size_t isz, char *dst, size_t osz, unsigned int flags, const char *only)
char *	kstrdup_quotable (const char *src, gfp_t gfp)
char *	kstrdup_quotable_cmdline (struct task_struct *task, gfp_t gfp)
char *	kstrdup_quotable_file (struct file *file, gfp_t gfp)
char *	kstrdup_and_replace (const char *src, char old, char new, gfp_t gfp)
char **	kasprintf_strarray (gfp_t gfp, const char *prefix, size_t n)
void	kfree_strarray (char **array, size_t n)
char **	devm_kasprintf_strarray (struct device *dev, const char *prefix, size_t n)

Macro Definition Documentation

ESCAPE_ALL_MASK

#define ESCAPE_ALL_MASK   GENMASK(8, 0)

ESCAPE_ANY

#define ESCAPE_ANY    (ESCAPE_SPACE | ESCAPE_OCTAL | ESCAPE_SPECIAL | ESCAPE_NULL)

ESCAPE_ANY_NP

#define ESCAPE_ANY_NP   (ESCAPE_ANY | ESCAPE_NP)

ESCAPE_APPEND

#define ESCAPE_APPEND   BIT(8)

ESCAPE_HEX

#define ESCAPE_HEX   BIT(5)

ESCAPE_NA

#define ESCAPE_NA   BIT(6)

ESCAPE_NAP

#define ESCAPE_NAP   BIT(7)

ESCAPE_NP

#define ESCAPE_NP   BIT(4)

ESCAPE_NULL

#define ESCAPE_NULL   BIT(2)

ESCAPE_OCTAL

#define ESCAPE_OCTAL   BIT(3)

ESCAPE_SPACE

#define ESCAPE_SPACE   BIT(0)

ESCAPE_SPECIAL

#define ESCAPE_SPECIAL   BIT(1)

UNESCAPE_ALL_MASK

#define UNESCAPE_ALL_MASK   GENMASK(3, 0)

UNESCAPE_ANY

#define UNESCAPE_ANY    (UNESCAPE_SPACE | UNESCAPE_OCTAL | UNESCAPE_HEX | UNESCAPE_SPECIAL)

UNESCAPE_HEX

#define UNESCAPE_HEX   BIT(2)

UNESCAPE_OCTAL

#define UNESCAPE_OCTAL   BIT(1)

UNESCAPE_SPACE

#define UNESCAPE_SPACE   BIT(0)

UNESCAPE_SPECIAL

#define UNESCAPE_SPECIAL   BIT(3)

Enumeration Type Documentation

string_size_units

enum string_size_units

Enumerator
STRING_UNITS_10
STRING_UNITS_2
STRING_UNITS_MASK
STRING_UNITS_NO_SPACE
STRING_UNITS_NO_BYTES

Function Documentation

devm_kasprintf_strarray()

char ** devm_kasprintf_strarray	(	struct device *	dev,
		const char *	prefix,
		size_t	n
	)

kasprintf_strarray()

char ** kasprintf_strarray	(	gfp_t	gfp,
		const char *	prefix,
		size_t	n
	)

kfree_strarray()

void kfree_strarray	(	char **	array,
		size_t	n
	)

kstrdup_and_replace()

char * kstrdup_and_replace	(	const char *	src,
		char	old,
		char	new,
		gfp_t	gfp
	)

kstrdup_quotable()

char * kstrdup_quotable	(	const char *	src,
		gfp_t	gfp
	)

kstrdup_quotable_cmdline()

char * kstrdup_quotable_cmdline	(	struct task_struct *	task,
		gfp_t	gfp
	)

kstrdup_quotable_file()

char * kstrdup_quotable_file	(	struct file *	file,
		gfp_t	gfp
	)

parse_int_array()

int parse_int_array	(	const char *	buf,
		size_t	count,
		int **	array
	)

parse_int_array_user()

int parse_int_array_user	(	const char __user *	from,
		size_t	count,
		int **	array
	)

string_escape_mem()

int string_escape_mem	(	const char *	src,
		size_t	isz,
		char *	dst,
		size_t	osz,
		unsigned int	flags,
		const char *	only
	)

string_get_size()

int string_get_size	(	u64	size,
		u64	blk_size,
		const enum string_size_units	units,
		char *	buf,
		int	len
	)

string_unescape()

int string_unescape	(	char *	src,
		char *	dst,
		size_t	size,
		unsigned int	flags
	)