src/basic/env-util.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5 #include <stddef.h>
   6 #include <stdio.h>
   7
   8 #include "macro.h"
   9 #include "string.h"
  10
  11 bool env_name_is_valid(const char *e);
  12 bool env_value_is_valid(const char *e);
  13 bool env_assignment_is_valid(const char *e);
  14
  15 enum {
  16         REPLACE_ENV_USE_ENVIRONMENT = 1 << 0,
  17         REPLACE_ENV_ALLOW_BRACELESS = 1 << 1,
  18         REPLACE_ENV_ALLOW_EXTENDED  = 1 << 2,
  19 };
  20
  21 char *replace_env_n(const char *format, size_t n, char **env, unsigned flags);
  22 char **replace_env_argv(char **argv, char **env);
  23
  24 static inline char *replace_env(const char *format, char **env, unsigned flags) {
  25         return replace_env_n(format, strlen(format), env, flags);
  26 }
  27
  28 bool strv_env_is_valid(char **e);
  29 #define strv_env_clean(l) strv_env_clean_with_callback(l, NULL, NULL)
  30 char **strv_env_clean_with_callback(char **l, void (*invalid_callback)(const char *p, void *userdata), void *userdata);
  31
  32 bool strv_env_name_is_valid(char **l);
  33 bool strv_env_name_or_assignment_is_valid(char **l);
  34
  35 char **strv_env_merge(size_t n_lists, ...);
  36 char **strv_env_delete(char **x, size_t n_lists, ...); /* New copy */
  37
  38 char **strv_env_set(char **x, const char *p); /* New copy ... */
  39 char **strv_env_unset(char **l, const char *p); /* In place ... */
  40 char **strv_env_unset_many(char **l, ...) _sentinel_;
  41 int strv_env_replace(char ***l, char *p); /* In place ... */
  42
  43 char *strv_env_get_n(char **l, const char *name, size_t k, unsigned flags) _pure_;
  44 char *strv_env_get(char **x, const char *n) _pure_;
  45
  46 int getenv_bool(const char *p);
  47 int getenv_bool_secure(const char *p);