patch 8.2.0662: cannot use input() in a channel callback
Problem: Cannot use input() in a channel callback.
Solution: Reset vgetc_busy. (closes #6010)
diff --git a/src/ex_getln.c b/src/ex_getln.c
index 7e92ec8..6376a5f 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -4468,6 +4468,8 @@
rettv->v_type = VAR_STRING;
rettv->vval.v_string = NULL;
+ if (input_busy)
+ return; // this doesn't work recursively.
#ifdef NO_CONSOLE_INPUT
// While starting up, there is no place to enter text. When running tests
@@ -4528,12 +4530,18 @@
if (defstr != NULL)
{
int save_ex_normal_busy = ex_normal_busy;
+ int save_vgetc_busy = vgetc_busy;
+ int save_input_busy = input_busy;
+ input_busy |= vgetc_busy;
ex_normal_busy = 0;
+ vgetc_busy = 0;
rettv->vval.v_string =
getcmdline_prompt(secret ? NUL : '@', p, get_echo_attr(),
xp_type, xp_arg);
ex_normal_busy = save_ex_normal_busy;
+ vgetc_busy = save_vgetc_busy;
+ input_busy = save_input_busy;
}
if (inputdialog && rettv->vval.v_string == NULL
&& argvars[1].v_type != VAR_UNKNOWN