patch 8.0.0374: invalid memory access when using :sc in Ex mode
Problem: Invalid memory access when using :sc in Ex mode. (Dominique Pelle)
Solution: Avoid the column being negative. Also fix a hang in Ex mode.
diff --git a/src/ex_getln.c b/src/ex_getln.c
index 3c40ff7..9180319 100644
--- a/src/ex_getln.c
+++ b/src/ex_getln.c
@@ -2369,9 +2369,16 @@
if (ga_grow(&line_ga, 40) == FAIL)
break;
- /* Get one character at a time. */
+ /*
+ * Get one character at a time.
+ */
prev_char = c1;
- c1 = vgetc();
+
+ /* Check for a ":normal" command and no more characters left. */
+ if (ex_normal_busy > 0 && typebuf.tb_len == 0)
+ c1 = '\n';
+ else
+ c1 = vgetc();
/*
* Handle line editing.