4 This file is part of systemd.
6 Copyright 2010 Lennart Poettering
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
27 #include "alloc-util.h"
28 #include "extract-word.h"
32 char *strv_find(char **l, const char *name) _pure_;
33 char *strv_find_prefix(char **l, const char *name) _pure_;
34 char *strv_find_startswith(char **l, const char *name) _pure_;
36 char **strv_free(char **l);
37 DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free);
38 #define _cleanup_strv_free_ _cleanup_(strv_freep)
40 char **strv_free_erase(char **l);
41 DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free_erase);
42 #define _cleanup_strv_free_erase_ _cleanup_(strv_free_erasep)
44 void strv_clear(char **l);
46 char **strv_copy(char * const *l);
47 unsigned strv_length(char * const *l) _pure_;
49 #if 0 /// UNNEEDED by elogind
50 int strv_extend_strv(char ***a, char **b, bool filter_duplicates);
51 int strv_extend_strv_concat(char ***a, char **b, const char *suffix);
53 int strv_extend(char ***l, const char *value);
54 #if 0 /// UNNEEDED by elogind
55 int strv_extendf(char ***l, const char *format, ...) _printf_(2,0);
57 int strv_extend_front(char ***l, const char *value);
58 int strv_push(char ***l, char *value);
59 int strv_push_pair(char ***l, char *a, char *b);
60 int strv_push_prepend(char ***l, char *value);
61 int strv_consume(char ***l, char *value);
62 #if 0 /// UNNEEDED by elogind
63 int strv_consume_pair(char ***l, char *a, char *b);
65 int strv_consume_prepend(char ***l, char *value);
67 char **strv_remove(char **l, const char *s);
68 char **strv_uniq(char **l);
69 #if 0 /// UNNEEDED by elogind
70 bool strv_is_uniq(char **l);
73 bool strv_equal(char **a, char **b);
75 #define strv_contains(l, s) (!!strv_find((l), (s)))
77 char **strv_new(const char *x, ...) _sentinel_;
78 char **strv_new_ap(const char *x, va_list ap);
80 #define STRV_IGNORE ((const char *) -1)
82 static inline const char* STRV_IFNOTNULL(const char *x) {
83 return x ? x : STRV_IGNORE;
86 static inline bool strv_isempty(char * const *l) {
90 char **strv_split(const char *s, const char *separator);
91 #if 0 /// UNNEEDED by elogind
92 char **strv_split_newlines(const char *s);
95 int strv_split_extract(char ***t, const char *s, const char *separators, ExtractFlags flags);
97 char *strv_join(char **l, const char *separator);
98 #if 0 /// UNNEEDED by elogind
99 char *strv_join_quoted(char **l);
102 char **strv_parse_nulstr(const char *s, size_t l);
103 char **strv_split_nulstr(const char *s);
104 #if 0 /// UNNEEDED by elogind
105 int strv_make_nulstr(char **l, char **p, size_t *n);
107 bool strv_overlap(char **a, char **b) _pure_;
110 #define STRV_FOREACH(s, l) \
111 for ((s) = (l); (s) && *(s); (s)++)
113 #define STRV_FOREACH_BACKWARDS(s, l) \
116 _l ? _l + strv_length(_l) - 1U : NULL; \
118 (l) && ((s) >= (l)); \
121 #define STRV_FOREACH_PAIR(x, y, l) \
122 for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1))
124 char **strv_sort(char **l);
125 void strv_print(char **l);
127 #define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL }))
129 #define STRV_MAKE_EMPTY ((char*[1]) { NULL })
131 #define strv_from_stdarg_alloca(first) \
136 _l = (char**) &first; \
142 va_start(_ap, first); \
143 while (va_arg(_ap, char*)) \
147 _l = newa(char*, _n+1); \
148 _l[_n = 0] = (char*) first; \
149 va_start(_ap, first); \
151 _l[++_n] = va_arg(_ap, char*); \
160 #define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x)
161 #define STRPTR_IN_SET(x, ...) \
163 const char* _x = (x); \
164 _x && strv_contains(STRV_MAKE(__VA_ARGS__), _x); \
167 #define FOREACH_STRING(x, ...) \
168 for (char **_l = ({ \
169 char **_ll = STRV_MAKE(__VA_ARGS__); \
170 x = _ll ? _ll[0] : NULL; \
179 #if 0 /// UNNEEDED by elogind
180 char **strv_reverse(char **l);
181 char **strv_shell_escape(char **l, const char *bad);
183 bool strv_fnmatch(char* const* patterns, const char *s, int flags);
185 static inline bool strv_fnmatch_or_empty(char* const* patterns, const char *s, int flags) {
187 return strv_isempty(patterns) ||
188 strv_fnmatch(patterns, s, flags);
191 char ***strv_free_free(char ***l);
193 char **strv_skip(char **l, size_t n);
195 int strv_extend_n(char ***l, const char *value, size_t n);
197 int fputstrv(FILE *f, char **l, const char *separator, bool *space);