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authorFlemming Madsen2013-04-07 18:47:24 +0200
committerDenys Vlasenko2013-04-07 18:47:24 +0200
commitd96ffda62e9f9c88a6e43dc1926c5b775a611166 (patch)
treef5c691e02aae158e04b797e267f3fa779d591728 /libbb
parent3beab83e4f7f4213c185737e95dc4895f0059dd6 (diff)
downloadbusybox-d96ffda62e9f9c88a6e43dc1926c5b775a611166.zip
busybox-d96ffda62e9f9c88a6e43dc1926c5b775a611166.tar.gz
ash,hush: history builtin
function old new delta show_history - 39 +39 builtin_history - 16 +16 historycmd - 13 +13 bltins1 312 324 +12 builtintab 336 344 +8 popstring 134 140 +6 hush_main 1048 1046 -2 ash_main 1398 1396 -2 size_from_HISTFILESIZE 44 40 -4 ------------------------------------------------------------------------------ (add/remove: 3/0 grow/shrink: 3/3 up/down: 94/-8) Total: 86 bytes Signed-off-by: Flemming Madsen <busybox@themadsens.dk> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'libbb')
-rw-r--r--libbb/lineedit.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index 93ab864..1313dd5 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1254,7 +1254,7 @@ line_input_t* FAST_FUNC new_line_input_t(int flags)
#if MAX_HISTORY > 0
-unsigned size_from_HISTFILESIZE(const char *hp)
+unsigned FAST_FUNC size_from_HISTFILESIZE(const char *hp)
{
int size = MAX_HISTORY;
if (hp) {
@@ -1309,6 +1309,17 @@ static int get_next_history(void)
return 0;
}
+/* Lists command history. Used by shell 'history' builtins */
+void FAST_FUNC show_history(const line_input_t *st)
+{
+ int i;
+
+ if (!st)
+ return;
+ for (i = 0; i < st->cnt_history; i++)
+ printf("%4d %s\n", i, st->history[i]);
+}
+
# if ENABLE_FEATURE_EDITING_SAVEHISTORY
/* We try to ensure that concurrent additions to the history
* do not overwrite each other.
@@ -2749,8 +2760,9 @@ int FAST_FUNC read_line_input(line_input_t *st, const char *prompt, char *comman
free(command_ps);
#endif
- if (command_len > 0)
+ if (command_len > 0) {
remember_in_history(command);
+ }
if (break_out > 0) {
command[command_len++] = '\n';