From 6d6f5bd4a700f1cb3b8a56a2ddf2e7b1f4bce788 Mon Sep 17 00:00:00 2001
From: Benno Schulenberg <bensberg@justemail.net>
Date: Thu, 28 Jul 2016 21:27:45 +0200
Subject: [PATCH] tweaks: check earlier on for sufficient length of the
sequence
---
src/winio.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)
diff --git a/src/winio.c b/src/winio.c
index 27edf92d..d0763d00 100644
--- a/src/winio.c
+++ b/src/winio.c
@@ -668,13 +668,10 @@ int convert_sequence(const int *seq, size_t seq_len)
case 'O':
switch (seq[1]) {
case '1':
- if (seq_len >= 3) {
- switch (seq[2]) {
- case ';':
- if (seq_len >= 4) {
+ if (seq_len > 4 && seq[2] == ';') {
+
switch (seq[3]) {
case '2':
- if (seq_len >= 5) {
switch (seq[4]) {
case 'A': /* Esc O 1 ; 2 A == Shift-Up on
* Terminal. */
@@ -694,10 +691,8 @@ int convert_sequence(const int *seq, size_t seq_len)
case 'S': /* Esc O 1 ; 2 S == F16 on Terminal. */
return KEY_F(16);
}
- }
break;
case '5':
- if (seq_len >= 5) {
switch (seq[4]) {
case 'A': /* Esc O 1 ; 5 A == Ctrl-Up on Terminal. */
return CONTROL_UP;
@@ -708,12 +703,9 @@ int convert_sequence(const int *seq, size_t seq_len)
case 'D': /* Esc O 1 ; 5 D == Ctrl-Left on Terminal. */
return CONTROL_LEFT;
}
- }
break;
}
- }
- break;
- }
+
}
break;
case '2':
--
GitLab