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-rw-r--r--linenoise/linenoise.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/linenoise/linenoise.c b/linenoise/linenoise.c
index c25014cf..266542c1 100644
--- a/linenoise/linenoise.c
+++ b/linenoise/linenoise.c
@@ -137,6 +137,7 @@ struct lino_state {
int selmode; /* Visual selection being made. */
int selinclusive; /* Selections include character right of endpoint. */
int noninteractive; /* No character editing, even if input is tty. */
+ int show_prompt; /* Show prompting in non-interactive mode. */
struct lino_undo *undo_stack;
lino_error_t error; /* Most recent error. */
};
@@ -207,6 +208,11 @@ int lino_get_noninteractive(lino_t *ls)
return ls->noninteractive;
}
+void lino_enable_noninteractive_prompt(lino_t *ls, int enable)
+{
+ ls->show_prompt = enable;
+}
+
void lino_set_atom_cb(lino_t *l, lino_atom_cb_t *cb, void *ctx)
{
l->atom_callback = cb;
@@ -2530,9 +2536,22 @@ wchar_t *linenoise(lino_t *ls, const wchar_t *prompt)
if ( ls->noninteractive || !isatty(ifd)) {
wchar_t *ret = 0;
size_t len = 0, i;
+ const wchar_t *condensed_prompt = prompt + wcslen(prompt);
+
+ if (ls->show_prompt) {
+ while (condensed_prompt > prompt &&
+ (*condensed_prompt == 0 || *condensed_prompt == ' '))
+ {
+ condensed_prompt--;
+ }
+ }
for (;;) {
size_t nlen;
+
+ if (ls->show_prompt)
+ lino_os.puts_fn(ls->tty_ofs, ret ? condensed_prompt : prompt);
+
/* Not a tty: read from file / pipe. */
if (lino_os.getl_fn(ls->tty_ifs, ls->data, nelem(ls->data)) == 0) {
ls->error = (lino_os.eof_fn(ls->tty_ifs) ? lino_eof : lino_ioerr);