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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
#pragma once
/***
This file is part of systemd.
Copyright 2010 Lennart Poettering
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <stdarg.h>
#include <stdbool.h>
#include "util.h"
char *strv_find(char **l, const char *name) _pure_;
char *strv_find_prefix(char **l, const char *name) _pure_;
void strv_free(char **l);
DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free);
#define _cleanup_strv_free_ _cleanup_(strv_freep)
char **strv_copy(char * const *l);
unsigned strv_length(char * const *l) _pure_;
int strv_extend_strv(char ***a, char **b);
int strv_extend_strv_concat(char ***a, char **b, const char *suffix);
int strv_extend(char ***l, const char *value);
int strv_extendf(char ***l, const char *format, ...) _printf_(2,0);
int strv_push(char ***l, char *value);
int strv_consume(char ***l, char *value);
char **strv_remove(char **l, const char *s);
char **strv_uniq(char **l);
#define strv_contains(l, s) (!!strv_find((l), (s)))
char **strv_new(const char *x, ...) _sentinel_;
char **strv_new_ap(const char *x, va_list ap);
static inline const char* STRV_IFNOTNULL(const char *x) {
return x ? x : (const char *) -1;
}
static inline bool strv_isempty(char * const *l) {
return !l || !*l;
}
char **strv_split(const char *s, const char *separator);
char **strv_split_quoted(const char *s);
char **strv_split_newlines(const char *s);
char *strv_join(char **l, const char *separator);
char *strv_join_quoted(char **l);
char **strv_parse_nulstr(const char *s, size_t l);
char **strv_split_nulstr(const char *s);
bool strv_overlap(char **a, char **b) _pure_;
#define STRV_FOREACH(s, l) \
for ((s) = (l); (s) && *(s); (s)++)
#define STRV_FOREACH_BACKWARDS(s, l) \
STRV_FOREACH(s, l) \
; \
for ((s)--; (l) && ((s) >= (l)); (s)--)
#define STRV_FOREACH_PAIR(x, y, l) \
for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1))
char **strv_sort(char **l);
void strv_print(char **l);
#define STRV_MAKE(...) ((char**) ((const char*[]) { __VA_ARGS__, NULL }))
#define STRV_MAKE_EMPTY ((char*[1]) { NULL })
#define strv_from_stdarg_alloca(first) \
({ \
char **_l; \
\
if (!first) \
_l = (char**) &first; \
else { \
unsigned _n; \
va_list _ap; \
\
_n = 1; \
va_start(_ap, first); \
while (va_arg(_ap, char*)) \
_n++; \
va_end(_ap); \
\
_l = newa(char*, _n+1); \
_l[_n = 0] = (char*) first; \
va_start(_ap, first); \
for (;;) { \
_l[++_n] = va_arg(_ap, char*); \
if (!_l[_n]) \
break; \
} \
va_end(_ap); \
} \
_l; \
})
#define STR_IN_SET(x, ...) strv_contains(STRV_MAKE(__VA_ARGS__), x)
#define FOREACH_STRING(x, ...) \
for (char **_l = ({ \
char **_ll = STRV_MAKE(__VA_ARGS__); \
x = _ll ? _ll[0] : NULL; \
_ll; \
}); \
_l && *_l; \
x = ({ \
_l ++; \
_l[0]; \
}))
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