[Nano-devel] [PATCH] input: avoid crashing when resizing the window during verbatim input

[Benno Schulenberg]

* Downstream may want to apply this patch to 2.8.1. *

This fixes https://savannah.gnu.org/bugs/?50872.
---
 src/winio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/winio.c b/src/winio.c
index 42aaae6c..85f9f881 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -1463,7 +1463,8 @@ int *get_verbatim_kbinput(WINDOW *win, size_t 
*kbinput_len)
     retval = parse_verbatim_kbinput(win, kbinput_len);
 
     /* If the code is invalid in the current mode, discard it. */
-    if ((*retval == '\n' && as_an_at) || (*retval == '\0' && !as_an_at)) {
+    if (retval != NULL && ((*retval == '\n' && as_an_at) ||
+                               (*retval == '\0' && !as_an_at))) {
        *kbinput_len = 0;
        beep();
     }
-- 
2.12.1