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3c9f3681 JB |
1 | #ifndef _LINUX_STRING_HELPERS_H_ |
2 | #define _LINUX_STRING_HELPERS_H_ | |
3 | ||
4 | #include <linux/types.h> | |
5 | ||
6 | /* Descriptions of the types of units to | |
7 | * print in */ | |
8 | enum string_size_units { | |
9 | STRING_UNITS_10, /* use powers of 10^3 (standard SI) */ | |
10 | STRING_UNITS_2, /* use binary powers of 2^10 */ | |
11 | }; | |
12 | ||
b9f28d86 | 13 | void string_get_size(u64 size, u64 blk_size, enum string_size_units units, |
d1214c65 | 14 | char *buf, int len); |
3c9f3681 | 15 | |
16c7fa05 AS |
16 | #define UNESCAPE_SPACE 0x01 |
17 | #define UNESCAPE_OCTAL 0x02 | |
18 | #define UNESCAPE_HEX 0x04 | |
19 | #define UNESCAPE_SPECIAL 0x08 | |
20 | #define UNESCAPE_ANY \ | |
21 | (UNESCAPE_SPACE | UNESCAPE_OCTAL | UNESCAPE_HEX | UNESCAPE_SPECIAL) | |
22 | ||
16c7fa05 AS |
23 | int string_unescape(char *src, char *dst, size_t size, unsigned int flags); |
24 | ||
25 | static inline int string_unescape_inplace(char *buf, unsigned int flags) | |
26 | { | |
27 | return string_unescape(buf, buf, 0, flags); | |
28 | } | |
29 | ||
30 | static inline int string_unescape_any(char *src, char *dst, size_t size) | |
31 | { | |
32 | return string_unescape(src, dst, size, UNESCAPE_ANY); | |
33 | } | |
34 | ||
35 | static inline int string_unescape_any_inplace(char *buf) | |
36 | { | |
37 | return string_unescape_any(buf, buf, 0); | |
38 | } | |
39 | ||
c8250381 AS |
40 | #define ESCAPE_SPACE 0x01 |
41 | #define ESCAPE_SPECIAL 0x02 | |
42 | #define ESCAPE_NULL 0x04 | |
43 | #define ESCAPE_OCTAL 0x08 | |
44 | #define ESCAPE_ANY \ | |
45 | (ESCAPE_SPACE | ESCAPE_OCTAL | ESCAPE_SPECIAL | ESCAPE_NULL) | |
46 | #define ESCAPE_NP 0x10 | |
47 | #define ESCAPE_ANY_NP (ESCAPE_ANY | ESCAPE_NP) | |
48 | #define ESCAPE_HEX 0x20 | |
49 | ||
41416f23 | 50 | int string_escape_mem(const char *src, size_t isz, char *dst, size_t osz, |
b40bdb7f | 51 | unsigned int flags, const char *only); |
c8250381 AS |
52 | |
53 | static inline int string_escape_mem_any_np(const char *src, size_t isz, | |
b40bdb7f | 54 | char *dst, size_t osz, const char *only) |
c8250381 | 55 | { |
b40bdb7f | 56 | return string_escape_mem(src, isz, dst, osz, ESCAPE_ANY_NP, only); |
c8250381 AS |
57 | } |
58 | ||
41416f23 | 59 | static inline int string_escape_str(const char *src, char *dst, size_t sz, |
b40bdb7f | 60 | unsigned int flags, const char *only) |
c8250381 | 61 | { |
b40bdb7f | 62 | return string_escape_mem(src, strlen(src), dst, sz, flags, only); |
c8250381 AS |
63 | } |
64 | ||
41416f23 | 65 | static inline int string_escape_str_any_np(const char *src, char *dst, |
b40bdb7f | 66 | size_t sz, const char *only) |
c8250381 | 67 | { |
b40bdb7f | 68 | return string_escape_str(src, dst, sz, ESCAPE_ANY_NP, only); |
c8250381 AS |
69 | } |
70 | ||
3c9f3681 | 71 | #endif |