This is a promised followup of "tty: vt: cleanup and documentation" [1]. The escape sequences parser is cleaned up, so that it is easier to follow. Most of the patches are easier to review with '-w -b' passed to git diff (as the code is moved to separate functions with a different level of indentation only). [1] https://lore.kernel.org/all/20240122110401.7289-28-jirislaby@xxxxxxxxxx/T/ Jiri Slaby (SUSE) (22): tty: vt: make rgb_from_256() slighly more comprehensible tty: vt: define enums for CSI+h/l codes tty: vt: rename set_mode() to csi_hl() tty: vt: split DEC CSI+h/l handling into csi_DEC_hl() tty: vt: remove unneeded assignment of EPecma to vc_priv tty: vt: move CSI+n handling along to other ECMA CSIs tty: vt: define an enum for CSI+] codes tty: vt: rename setterm_command() to csi_RSB() tty: vt: put cases on separate lines tty: vt: accept u8 in do_con_trol() and vc_setGx() tty: vt: extract ascii handling to handle_ascii() tty: vt: separate ESesc state handling into handle_esc() tty: vt: move CSI DEC handling to a separate function tty: vt: move CSI ECMA handling to a separate function tty: vt: name, reflow and document enum vc_ctl_state tty: vt: simplify ansi_control_string() tty: vt: handle CSI+[ inside preexisting switch-case tty: vt: add new helper for reseting vc parameters tty: vt: use switch+case in the ESnonstd case tty: vt: use switch+case in the ESgetpars case tty: vt: use ASCII enum constants in vt_console_print() tty: vt: decrypt magic constants in vc_is_control() drivers/tty/vt/vt.c | 876 ++++++++++++++++++++++++++------------------ 1 file changed, 514 insertions(+), 362 deletions(-) -- 2.43.0
