input: avoid crashing when resizing the window during verbatim input

This fixes https://savannah.gnu.org/bugs/?50872.

input: avoid crashing when resizing the window during verbatim input
This fixes https://savannah.gnu.org/bugs/?50872.
ca6d7b6a · Benno Schulenberg · d6313c2f · ca6d7b6a
Commit ca6d7b6a authored 7 years ago by Benno Schulenberg
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with 2 additions and 1 deletion
+2 -1
--- 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();
    }