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07719a21b6
Previously generated units were always placed at the end of the search path. With this change there will be three unit dirs instead of one, to place generated entries at the beginning, in the middle and at the end of the search path: beginning: for units that need to override all configuration, regardless of user or vendor. Example use: system-update-generator uses this to temporarily redirect default.target. middle: for units that need to override vendor configuration, but not vendor configuration. Example use: /etc/fstab should override vendor supplied configuration (think /tmp), but should not override native user configuration. end: does not override anything but is available as well. Possible usage might be to convert D-Bus bus service files to native units but allowing vendor supplied native units to win.
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#ifndef foostrvhfoo
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#define foostrvhfoo
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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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char **strv_copy(char **l) _malloc_;
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unsigned strv_length(char **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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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_ _malloc_;
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char **strv_new_ap(const char *x, va_list ap) _malloc_;
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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 **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) _malloc_;
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char **strv_split_quoted(const char *s) _malloc_;
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char *strv_join(char **l, const char *separator) _malloc_;
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char **strv_env_merge(unsigned n_lists, ...);
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char **strv_env_delete(char **x, unsigned n_lists, ...);
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char **strv_env_set(char **x, const char *p);
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char **strv_env_unset(char **l, const char *p);
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char *strv_env_get_with_length(char **l, const char *name, size_t k);
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char *strv_env_get(char **x, const char *n);
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char **strv_env_clean(char **l);
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char **strv_parse_nulstr(const char *s, size_t l);
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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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#endif
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