From 9c46a0688576dd8c67d2fc24b68c07402da14fc8 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Thu, 3 Jul 2025 19:10:42 +0200 Subject: shell: update HISTFILESIZE code to be actually useful "HISTFILESIZE=0" in profile wasn't working as intended, "unset HISTFILE" wasn't preventing creation of history files Now: HISTSIZE=n allows to reduce in-memory history buffer HISTFILESIZE=n allows to reduce history file size (0: truncate it) unset HISTFILE allows to not save history file at all function old new delta exitshell 138 194 +56 hush_exit 97 143 +46 save_history 266 296 +30 hush_main 1170 1186 +16 .rodata 105762 105771 +9 load_history 246 254 +8 size_from_HISTFILESIZE 44 41 -3 read_line_input 2746 2712 -34 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 6/2 up/down: 165/-37) Total: 128 bytes Signed-off-by: Denys Vlasenko --- libbb/Config.src | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'libbb/Config.src') diff --git a/libbb/Config.src b/libbb/Config.src index b980f19a9..55e670dcd 100644 --- a/libbb/Config.src +++ b/libbb/Config.src @@ -182,8 +182,8 @@ config FEATURE_EDITING_VI config FEATURE_EDITING_HISTORY int "History size" # Don't allow way too big values here, code uses fixed "char *history[N]" struct member - range 0 9999 - default 255 + range 0 2000 + default 200 depends on FEATURE_EDITING help Specify command history size (0 - disable). -- cgit v1.2.3-55-g6feb