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env

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Functions

ReturnNameDescription
std::stringget_env_orGet environment variable with default value.
doubleget_env_doubleGet environment variable as double with default.
intget_env_intGet environment variable as int with default.
boolget_env_boolGet environment variable as bool with default.
boolvalidate_url_envValidate that a URL environment variable has a valid HTTP(S) scheme.

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get_env_or

inline 
inline std::string get_env_or(const char * name, const char * default_value)
Get environment variable with default value.

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Parameters

  • name Environment variable name
  • default_value Default value if not set or empty

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Returns

The environment variable value or default

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get_env_double

inline 
inline double get_env_double(const char * name, double default_value)
Get environment variable as double with default.

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Parameters

  • name Environment variable name
  • default_value Default value if not set, empty, or unparseable

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Returns

Parsed double or default

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get_env_int

inline 
inline int get_env_int(const char * name, int default_value)
Get environment variable as int with default.

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Parameters

  • name Environment variable name
  • default_value Default value if not set, empty, or unparseable

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Returns

Parsed int or default

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get_env_bool

inline 
inline bool get_env_bool(const char * name, bool default_value)
Get environment variable as bool with default. Accepts: “true”, “1”, “yes” (case-insensitive) as true. Accepts: “false”, “0”, “no” (case-insensitive) as false.

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Parameters

  • name Environment variable name
  • default_value Default value if not set, empty, or unrecognized

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Returns

Parsed bool or default

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validate_url_env

inline 
inline bool validate_url_env(const char * env_name, bool required)
Validate that a URL environment variable has a valid HTTP(S) scheme.

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Parameters

  • env_name Name of the environment variable
  • required If true, the variable must be set and non-empty

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Returns

true if validation passes (or variable is optional and unset)