1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
12 static inline size_t sc_arg_max(void) {
13 long l
= sysconf(_SC_ARG_MAX
);
18 bool env_name_is_valid(const char *e
);
19 bool env_value_is_valid(const char *e
);
20 bool env_assignment_is_valid(const char *e
);
23 REPLACE_ENV_USE_ENVIRONMENT
= 1 << 0,
24 REPLACE_ENV_ALLOW_BRACELESS
= 1 << 1,
25 REPLACE_ENV_ALLOW_EXTENDED
= 1 << 2,
28 char *replace_env_n(const char *format
, size_t n
, char **env
, unsigned flags
);
29 char **replace_env_argv(char **argv
, char **env
);
31 static inline char *replace_env(const char *format
, char **env
, unsigned flags
) {
32 return replace_env_n(format
, strlen(format
), env
, flags
);
35 bool strv_env_is_valid(char **e
);
36 #define strv_env_clean(l) strv_env_clean_with_callback(l, NULL, NULL)
37 char **strv_env_clean_with_callback(char **l
, void (*invalid_callback
)(const char *p
, void *userdata
), void *userdata
);
39 bool strv_env_name_is_valid(char **l
);
40 bool strv_env_name_or_assignment_is_valid(char **l
);
42 char** _strv_env_merge(char **first
, ...);
43 #define strv_env_merge(first, ...) _strv_env_merge(first, __VA_ARGS__, POINTER_MAX)
44 char **strv_env_delete(char **x
, size_t n_lists
, ...); /* New copy */
46 char **strv_env_unset(char **l
, const char *p
); /* In place ... */
47 char **strv_env_unset_many(char **l
, ...) _sentinel_
;
48 int strv_env_replace_consume(char ***l
, char *p
); /* In place ... */
49 int strv_env_replace_strdup(char ***l
, const char *assignment
);
50 int strv_env_replace_strdup_passthrough(char ***l
, const char *assignment
);
51 int strv_env_assign(char ***l
, const char *key
, const char *value
);
53 char *strv_env_get_n(char **l
, const char *name
, size_t k
, unsigned flags
) _pure_
;
54 char *strv_env_get(char **x
, const char *n
) _pure_
;
55 char *strv_env_pairs_get(char **l
, const char *name
) _pure_
;
57 int getenv_bool(const char *p
);
58 int getenv_bool_secure(const char *p
);
60 int getenv_uint64_secure(const char *p
, uint64_t *ret
);
62 /* Like setenv, but calls unsetenv if value == NULL. */
63 int set_unset_env(const char *name
, const char *value
, bool overwrite
);
65 /* Like putenv, but duplicates the memory like setenv. */
66 int putenv_dup(const char *assignment
, bool override
);
68 int setenv_systemd_exec_pid(bool update_only
);
70 /* Parses and does sanity checks on an environment variable containing
71 * PATH-like colon-separated absolute paths */
72 int getenv_path_list(const char *name
, char ***ret_paths
);
74 int getenv_steal_erase(const char *name
, char **ret
);