1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
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.
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.
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/>.
29 char *strv_find(char **l, const char *name) _pure_;
30 char *strv_find_prefix(char **l, const char *name) _pure_;
32 void strv_free(char **l);
33 DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free);
34 #define _cleanup_strv_free_ _cleanup_(strv_freep)
36 char **strv_copy(char * const *l);
37 unsigned strv_length(char * const *l) _pure_;
39 int strv_extend_strv(char ***a, char **b);
40 int strv_extend_strv_concat(char ***a, char **b, const char *suffix);
41 int strv_extend(char ***l, const char *value);
42 int strv_push(char ***l, char *value);
44 char **strv_remove(char **l, const char *s);
45 char **strv_uniq(char **l);
47 #define strv_contains(l, s) (!!strv_find((l), (s)))
49 char **strv_new(const char *x, ...) _sentinel_;
50 char **strv_new_ap(const char *x, va_list ap);
52 static inline const char* STRV_IFNOTNULL(const char *x) {
53 return x ? x : (const char *) -1;
56 static inline bool strv_isempty(char * const *l) {
60 char **strv_split(const char *s, const char *separator);
61 char **strv_split_quoted(const char *s);
62 char **strv_split_newlines(const char *s);
64 char *strv_join(char **l, const char *separator);
65 char *strv_join_quoted(char **l);
67 char **strv_parse_nulstr(const char *s, size_t l);
68 char **strv_split_nulstr(const char *s);
70 bool strv_overlap(char **a, char **b) _pure_;
72 #define STRV_FOREACH(s, l) \
73 for ((s) = (l); (s) && *(s); (s)++)
75 #define STRV_FOREACH_BACKWARDS(s, l) \
78 for ((s)--; (l) && ((s) >= (l)); (s)--)
80 #define STRV_FOREACH_PAIR(x, y, l) \
81 for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1))
83 char **strv_sort(char **l);
84 void strv_print(char **l);
86 #define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL }))
88 #define STRV_MAKE_EMPTY ((char*[1]) { NULL })
90 #define strv_from_stdarg_alloca(first) \
95 _l = (char**) &first; \
101 va_start(_ap, first); \
102 while (va_arg(_ap, char*)) \
106 _l = newa(char*, _n+1); \
107 _l[_n = 0] = (char*) first; \
108 va_start(_ap, first); \
110 _l[++_n] = va_arg(_ap, char*); \