execute_cmd.c

execute_cmd.c

Global state (same order as in .c)

• stdin_redir - bool

  • set to 1 if fd 0 was redirected to a subshell.
  • reset to 0 by reader_loop before executing a command.

• this_command_name - char*

  • name of the command currently being executed.

• the_printed_command_except_trap - char*

  • same as the_printed_command except during trap.
  • useful for debugging

State-changing functions

• shell_execve(char *command, char **argv, char **env)

• static initialize_subshell(void)

  • delete_all_aliases();
  • history_lines_this_session = 0;
  • without_job_control();
  • reset_shell_flags();
  • reset_shell_options();
  • reset_shopt_options();
  • TODO: more