b231b54780
According to gcc documentation, returned pointer "cannot alias any other pointer valid when the function returns" and "the memory has undefined content". This second part is (hopefully) untrue for all those functions.
88 lines
2.5 KiB
C
88 lines
2.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2010 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdarg.h>
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#include <stdbool.h>
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#include "macro.h"
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char *strv_find(char **l, const char *name);
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char *strv_find_prefix(char **l, const char *name);
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void strv_free(char **l);
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static inline void strv_freep(char ***l) {
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strv_free(*l);
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}
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#define _cleanup_strv_free_ _cleanup_(strv_freep)
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char **strv_copy(char * const *l);
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unsigned strv_length(char * const *l);
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char **strv_merge(char **a, char **b);
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char **strv_merge_concat(char **a, char **b, const char *suffix);
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char **strv_append(char **l, const char *s);
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int strv_extend(char ***l, const char *value);
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int strv_push(char ***l, char *value);
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char **strv_remove(char **l, const char *s);
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char **strv_remove_prefix(char **l, const char *s);
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char **strv_uniq(char **l);
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#define strv_contains(l, s) (!!strv_find((l), (s)))
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char **strv_new(const char *x, ...) _sentinel_;
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char **strv_new_ap(const char *x, va_list ap);
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static inline const char* STRV_IFNOTNULL(const char *x) {
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return x ? x : (const char *) -1;
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}
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static inline bool strv_isempty(char * const *l) {
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return !l || !*l;
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}
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char **strv_split(const char *s, const char *separator);
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char **strv_split_quoted(const char *s);
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char **strv_split_newlines(const char *s);
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char *strv_join(char **l, const char *separator);
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char **strv_parse_nulstr(const char *s, size_t l);
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char **strv_split_nulstr(const char *s);
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bool strv_overlap(char **a, char **b);
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#define STRV_FOREACH(s, l) \
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for ((s) = (l); (s) && *(s); (s)++)
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#define STRV_FOREACH_BACKWARDS(s, l) \
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for (; (l) && ((s) >= (l)); (s)--)
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#define STRV_FOREACH_PAIR(x, y, l) \
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for ((x) = (l), (y) = (x+1); (x) && *(x) && *(y); (x) += 2, (y) = (x + 1))
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char **strv_sort(char **l);
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void strv_print(char **l);
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