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Diffstat (limited to 'src/libsystemd-basic/include/systemd-basic/strv.h')
| -rw-r--r-- | src/libsystemd-basic/include/systemd-basic/strv.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/src/libsystemd-basic/include/systemd-basic/strv.h b/src/libsystemd-basic/include/systemd-basic/strv.h new file mode 100644 index 0000000000..385ad17779 --- /dev/null +++ b/src/libsystemd-basic/include/systemd-basic/strv.h @@ -0,0 +1,182 @@ +#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 <fnmatch.h> +#include <stdarg.h> +#include <stdbool.h> +#include <stddef.h> + +#include "alloc-util.h" +#include "extract-word.h" +#include "macro.h" +#include "util.h" + +char *strv_find(char **l, const char *name) _pure_; +char *strv_find_prefix(char **l, const char *name) _pure_; +char *strv_find_startswith(char **l, const char *name) _pure_; + +char **strv_free(char **l); +DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free); +#define _cleanup_strv_free_ _cleanup_(strv_freep) + +char **strv_free_erase(char **l); +DEFINE_TRIVIAL_CLEANUP_FUNC(char**, strv_free_erase); +#define _cleanup_strv_free_erase_ _cleanup_(strv_free_erasep) + +void strv_clear(char **l); + +char **strv_copy(char * const *l); +unsigned strv_length(char * const *l) _pure_; + +int strv_extend_strv(char ***a, char **b, bool filter_duplicates); +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_extend_front(char ***l, const char *value); +int strv_push(char ***l, char *value); +int strv_push_pair(char ***l, char *a, char *b); +int strv_push_prepend(char ***l, char *value); +int strv_consume(char ***l, char *value); +int strv_consume_pair(char ***l, char *a, char *b); +int strv_consume_prepend(char ***l, char *value); + +char **strv_remove(char **l, const char *s); +char **strv_uniq(char **l); +bool strv_is_uniq(char **l); + +bool strv_equal(char **a, char **b); + +#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); + +#define STRV_IGNORE ((const char *) -1) + +static inline const char* STRV_IFNOTNULL(const char *x) { + return x ? x : STRV_IGNORE; +} + +static inline bool strv_isempty(char * const *l) { + return !l || !*l; +} + +char **strv_split(const char *s, const char *separator); +char **strv_split_newlines(const char *s); + +int strv_split_extract(char ***t, const char *s, const char *separators, ExtractFlags flags); + +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); +int strv_make_nulstr(char **l, char **p, size_t *n); + +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) \ + for (s = ({ \ + char **_l = l; \ + _l ? _l + strv_length(_l) - 1U : NULL; \ + }); \ + (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 STRPTR_IN_SET(x, ...) \ + ({ \ + const char* _x = (x); \ + _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]; \ + })) + +char **strv_reverse(char **l); +char **strv_shell_escape(char **l, const char *bad); + +bool strv_fnmatch(char* const* patterns, const char *s, int flags); + +static inline bool strv_fnmatch_or_empty(char* const* patterns, const char *s, int flags) { + assert(s); + return strv_isempty(patterns) || + strv_fnmatch(patterns, s, flags); +} + +char ***strv_free_free(char ***l); + +char **strv_skip(char **l, size_t n); + +int strv_extend_n(char ***l, const char *value, size_t n); + +int fputstrv(FILE *f, char **l, const char *separator, bool *space); |