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663996b3 MS |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2010 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | #include <stdarg.h> | |
25 | #include <stdbool.h> | |
26 | ||
60f067b4 | 27 | #include "util.h" |
663996b3 MS |
28 | |
29 | char *strv_find(char **l, const char *name) _pure_; | |
30 | char *strv_find_prefix(char **l, const char *name) _pure_; | |
5eef597e | 31 | char *strv_find_startswith(char **l, const char *name) _pure_; |
663996b3 MS |
32 | |
33 | void strv_free(char **l); | |
60f067b4 | 34 | DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free); |
663996b3 MS |
35 | #define _cleanup_strv_free_ _cleanup_(strv_freep) |
36 | ||
37 | char **strv_copy(char * const *l); | |
38 | unsigned strv_length(char * const *l) _pure_; | |
39 | ||
60f067b4 JS |
40 | int strv_extend_strv(char ***a, char **b); |
41 | int strv_extend_strv_concat(char ***a, char **b, const char *suffix); | |
663996b3 | 42 | int strv_extend(char ***l, const char *value); |
60f067b4 | 43 | int strv_extendf(char ***l, const char *format, ...) _printf_(2,0); |
663996b3 | 44 | int strv_push(char ***l, char *value); |
e842803a | 45 | int strv_push_prepend(char ***l, char *value); |
60f067b4 | 46 | int strv_consume(char ***l, char *value); |
e842803a | 47 | int strv_consume_prepend(char ***l, char *value); |
663996b3 MS |
48 | |
49 | char **strv_remove(char **l, const char *s); | |
663996b3 MS |
50 | char **strv_uniq(char **l); |
51 | ||
52 | #define strv_contains(l, s) (!!strv_find((l), (s))) | |
53 | ||
54 | char **strv_new(const char *x, ...) _sentinel_; | |
55 | char **strv_new_ap(const char *x, va_list ap); | |
56 | ||
57 | static inline const char* STRV_IFNOTNULL(const char *x) { | |
58 | return x ? x : (const char *) -1; | |
59 | } | |
60 | ||
61 | static inline bool strv_isempty(char * const *l) { | |
62 | return !l || !*l; | |
63 | } | |
64 | ||
65 | char **strv_split(const char *s, const char *separator); | |
5eef597e | 66 | int strv_split_quoted(char ***t, const char *s); |
663996b3 MS |
67 | char **strv_split_newlines(const char *s); |
68 | ||
69 | char *strv_join(char **l, const char *separator); | |
14228c0d | 70 | char *strv_join_quoted(char **l); |
663996b3 MS |
71 | |
72 | char **strv_parse_nulstr(const char *s, size_t l); | |
73 | char **strv_split_nulstr(const char *s); | |
74 | ||
75 | bool strv_overlap(char **a, char **b) _pure_; | |
76 | ||
77 | #define STRV_FOREACH(s, l) \ | |
78 | for ((s) = (l); (s) && *(s); (s)++) | |
79 | ||
80 | #define STRV_FOREACH_BACKWARDS(s, l) \ | |
60f067b4 JS |
81 | STRV_FOREACH(s, l) \ |
82 | ; \ | |
83 | for ((s)--; (l) && ((s) >= (l)); (s)--) | |
663996b3 MS |
84 | |
85 | #define STRV_FOREACH_PAIR(x, y, l) \ | |
86 | for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1)) | |
87 | ||
663996b3 MS |
88 | char **strv_sort(char **l); |
89 | void strv_print(char **l); | |
60f067b4 JS |
90 | |
91 | #define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL })) | |
92 | ||
93 | #define STRV_MAKE_EMPTY ((char*[1]) { NULL }) | |
94 | ||
95 | #define strv_from_stdarg_alloca(first) \ | |
96 | ({ \ | |
97 | char **_l; \ | |
98 | \ | |
99 | if (!first) \ | |
100 | _l = (char**) &first; \ | |
101 | else { \ | |
102 | unsigned _n; \ | |
103 | va_list _ap; \ | |
104 | \ | |
105 | _n = 1; \ | |
106 | va_start(_ap, first); \ | |
107 | while (va_arg(_ap, char*)) \ | |
108 | _n++; \ | |
109 | va_end(_ap); \ | |
110 | \ | |
111 | _l = newa(char*, _n+1); \ | |
112 | _l[_n = 0] = (char*) first; \ | |
113 | va_start(_ap, first); \ | |
114 | for (;;) { \ | |
115 | _l[++_n] = va_arg(_ap, char*); \ | |
116 | if (!_l[_n]) \ | |
117 | break; \ | |
118 | } \ | |
119 | va_end(_ap); \ | |
120 | } \ | |
121 | _l; \ | |
122 | }) | |
123 | ||
124 | #define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x) | |
125 | ||
126 | #define FOREACH_STRING(x, ...) \ | |
127 | for (char **_l = ({ \ | |
128 | char **_ll = STRV_MAKE(__VA_ARGS__); \ | |
129 | x = _ll ? _ll[0] : NULL; \ | |
130 | _ll; \ | |
131 | }); \ | |
132 | _l && *_l; \ | |
133 | x = ({ \ | |
134 | _l ++; \ | |
135 | _l[0]; \ | |
136 | })) |