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Add support for el_no_hist to disable access to and auto-save of history.

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This commit adds a new global variable 'el_no_hist' which can be used
to disable auto-save of history as well as access to history using prev
and next keybindings (up/down arrows).

Signed-off-by: Mattias Walström <lazzer@gmail.com>
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Mattias Walström
2014-11-04 22:47:50 +01:00
committed by Joachim Nilsson
parent f7432fbfbd
commit 7cd7fc4b61
2 changed files with 11 additions and 3 deletions
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11
src/editline.c
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@@ -107,6 +107,7 @@ static int tty_cols = SCREEN_COLS;
static int tty_rows = SCREEN_ROWS;
int el_no_echo = 0; /* e.g., under Emacs */
int el_no_hist = 0;
int rl_point;
int rl_mark;
int rl_end;
@@ -547,11 +548,17 @@ static el_status_t do_hist(const char *(*move)(void))
static el_status_t h_next(void)
{
if (el_no_hist)
return CSstay;
return do_hist(next_hist);
}
static el_status_t h_prev(void)
{
if (el_no_hist)
return CSstay;
return do_hist(prev_hist);
}
@@ -1210,8 +1217,8 @@ char *readline(const char *prompt)
free(Screen);
free(H.Lines[--H.Size]);
/* Add to history, unless no-echo mode ... */
if (!el_no_echo) {
/* Add to history, unless no-echo or no-history mode ... */
if (!el_no_echo && !el_no_hist) {
if (line != NULL && *line != '\0')
hist_add(line);
}