artichoke_readline

Function rl_read_init_file

Source 
pub fn rl_read_init_file() -> Option<Vec<u8>>
Expand description

Read inputrc contents according to the GNU Readline hierarchy of config files.

This function will try each file in the config hierarchy (with the addition of %USERPROFILE%\_inputrc on Windows). This function returns the contents of the first file that exists and is successfully read. If no config file is found, None is returned.

§Upstream Implementation

This routine is ported from GNU Readline’s rl_read_init_file function as of commit 7274faabe97ce53d6b464272d7e6ab6c1392837b, which has the following documentation:

Do key bindings from a file. If FILENAME is NULL it defaults to the first non-null filename from this list:

  1. the filename used for the previous call
  2. the value of the shell variable INPUTRC
  3. ~/.inputrc
  4. /etc/inputrc

If the file existed and could be opened and read, 0 is returned, otherwise errno is returned.

The routine is also documented in section 8.3 of the bash manual.