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git.ipfire.org Git - thirdparty/systemd.git/blob - src/basic/strv.h
1 /* SPDX-License-Identifier: LGPL-2.1+ */
9 #include "alloc-util.h"
10 #include "extract-word.h"
14 char *strv_find(char **l
, const char *name
) _pure_
;
15 char *strv_find_prefix(char **l
, const char *name
) _pure_
;
16 char *strv_find_startswith(char **l
, const char *name
) _pure_
;
18 char **strv_free(char **l
);
19 DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free
);
20 #define _cleanup_strv_free_ _cleanup_(strv_freep)
22 char **strv_free_erase(char **l
);
23 DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free_erase
);
24 #define _cleanup_strv_free_erase_ _cleanup_(strv_free_erasep)
26 void strv_clear(char **l
);
28 char **strv_copy(char * const *l
);
29 size_t strv_length(char * const *l
) _pure_
;
31 int strv_extend_strv(char ***a
, char **b
, bool filter_duplicates
);
32 int strv_extend_strv_concat(char ***a
, char **b
, const char *suffix
);
33 int strv_extend(char ***l
, const char *value
);
34 int strv_extendf(char ***l
, const char *format
, ...) _printf_(2,0);
35 int strv_extend_front(char ***l
, const char *value
);
36 int strv_push(char ***l
, char *value
);
37 int strv_push_pair(char ***l
, char *a
, char *b
);
38 int strv_insert(char ***l
, size_t position
, char *value
);
40 static inline int strv_push_prepend(char ***l
, char *value
) {
41 return strv_insert(l
, 0, value
);
44 int strv_consume(char ***l
, char *value
);
45 int strv_consume_pair(char ***l
, char *a
, char *b
);
46 int strv_consume_prepend(char ***l
, char *value
);
48 char **strv_remove(char **l
, const char *s
);
49 char **strv_uniq(char **l
);
50 bool strv_is_uniq(char **l
);
52 bool strv_equal(char **a
, char **b
);
54 #define strv_contains(l, s) (!!strv_find((l), (s)))
56 char **strv_new(const char *x
, ...) _sentinel_
;
57 char **strv_new_ap(const char *x
, va_list ap
);
59 #define STRV_IGNORE ((const char *) -1)
61 static inline const char* STRV_IFNOTNULL(const char *x
) {
62 return x
? x
: STRV_IGNORE
;
65 static inline bool strv_isempty(char * const *l
) {
69 char **strv_split(const char *s
, const char *separator
);
70 char **strv_split_newlines(const char *s
);
72 int strv_split_extract(char ***t
, const char *s
, const char *separators
, ExtractFlags flags
);
74 char *strv_join(char **l
, const char *separator
);
76 char **strv_parse_nulstr(const char *s
, size_t l
);
77 char **strv_split_nulstr(const char *s
);
78 int strv_make_nulstr(char **l
, char **p
, size_t *n
);
80 bool strv_overlap(char **a
, char **b
) _pure_
;
82 #define STRV_FOREACH(s, l) \
83 for ((s) = (l); (s) && *(s); (s)++)
85 #define STRV_FOREACH_BACKWARDS(s, l) \
88 _l ? _l + strv_length(_l) - 1U : NULL; \
90 (l) && ((s) >= (l)); \
93 #define STRV_FOREACH_PAIR(x, y, l) \
94 for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1))
96 char **strv_sort(char **l
);
97 void strv_print(char **l
);
99 #define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL }))
101 #define STRV_MAKE_EMPTY ((char*[1]) { NULL })
103 #define strv_from_stdarg_alloca(first) \
108 _l = (char**) &first; \
114 va_start(_ap, first); \
115 while (va_arg(_ap, char*)) \
119 _l = newa(char*, _n+1); \
120 _l[_n = 0] = (char*) first; \
121 va_start(_ap, first); \
123 _l[++_n] = va_arg(_ap, char*); \
132 #define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x)
133 #define STRPTR_IN_SET(x, ...) \
135 const char* _x = (x); \
136 _x && strv_contains(STRV_MAKE(__VA_ARGS__), _x); \
139 #define FOREACH_STRING(x, ...) \
140 for (char **_l = ({ \
141 char **_ll = STRV_MAKE(__VA_ARGS__); \
142 x = _ll ? _ll[0] : NULL; \
151 char **strv_reverse(char **l
);
152 char **strv_shell_escape(char **l
, const char *bad
);
154 bool strv_fnmatch(char* const* patterns
, const char *s
, int flags
);
156 static inline bool strv_fnmatch_or_empty(char* const* patterns
, const char *s
, int flags
) {
158 return strv_isempty(patterns
) ||
159 strv_fnmatch(patterns
, s
, flags
);
162 char ***strv_free_free(char ***l
);
163 DEFINE_TRIVIAL_CLEANUP_FUNC(char***, strv_free_free
);
165 char **strv_skip(char **l
, size_t n
);
167 int strv_extend_n(char ***l
, const char *value
, size_t n
);
169 int fputstrv(FILE *f
, char **l
, const char *separator
, bool *space
);
171 #define strv_free_and_replace(a, b) \