Function es_exec_env

pub unsafe extern "C" fn es_exec_env(
    event: &es_event_exec_t,
    index: u32,
) -> es_string_token_t

Available on macOS only.

Get the environment variable at the specified position in the message containing an es_event_exec_t

• event: The es_event_exec_t being inspected
• index: Index of the environment variable to retrieve (starts from 0)
• Returns an es_string_token_t containing a pointer to the environment variable and its length. This is zero-allocation operation. The returned pointer must not outlive exec_event.

Reading an an env where index >= es_exec_env_count() is undefined.