blob: 86f150c2a6b663dffb9fd47f89712c3ea6a8ef37 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0 */
#include <linux/ctype.h>
#include <linux/types.h>
struct file;
struct task_struct;
/* Descriptions of the types of units to
* print in */
enum string_size_units {
STRING_UNITS_10, /* use powers of 10^3 (standard SI) */
STRING_UNITS_2, /* use binary powers of 2^10 */
void string_get_size(u64 size, u64 blk_size, enum string_size_units units,
char *buf, int len);
#define UNESCAPE_SPACE 0x01
#define UNESCAPE_OCTAL 0x02
#define UNESCAPE_HEX 0x04
#define UNESCAPE_ANY \
int string_unescape(char *src, char *dst, size_t size, unsigned int flags);
static inline int string_unescape_inplace(char *buf, unsigned int flags)
return string_unescape(buf, buf, 0, flags);
static inline int string_unescape_any(char *src, char *dst, size_t size)
return string_unescape(src, dst, size, UNESCAPE_ANY);
static inline int string_unescape_any_inplace(char *buf)
return string_unescape_any(buf, buf, 0);
#define ESCAPE_SPACE 0x01
#define ESCAPE_SPECIAL 0x02
#define ESCAPE_NULL 0x04
#define ESCAPE_OCTAL 0x08
#define ESCAPE_ANY \
#define ESCAPE_NP 0x10
#define ESCAPE_HEX 0x20
int string_escape_mem(const char *src, size_t isz, char *dst, size_t osz,
unsigned int flags, const char *only);
int string_escape_mem_ascii(const char *src, size_t isz, char *dst,
size_t osz);
static inline int string_escape_mem_any_np(const char *src, size_t isz,
char *dst, size_t osz, const char *only)
return string_escape_mem(src, isz, dst, osz, ESCAPE_ANY_NP, only);
static inline int string_escape_str(const char *src, char *dst, size_t sz,
unsigned int flags, const char *only)
return string_escape_mem(src, strlen(src), dst, sz, flags, only);
static inline int string_escape_str_any_np(const char *src, char *dst,
size_t sz, const char *only)
return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only);
static inline void string_upper(char *dst, const char *src)
do {
*dst++ = toupper(*src);
} while (*src++);
static inline void string_lower(char *dst, const char *src)
do {
*dst++ = tolower(*src);
} while (*src++);
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);