nano

commit 5b07e5fd1f2edc04755942fa4f87fb4d1b6a0345
parent 3cae32390d1d88a67cf68274863ce2b3861095ac
Author: Benno Schulenberg <bensberg@telfort.nl>
Date:   Fri,  3 Jan 2020 12:34:15 +0100

input: discard partial sequences that Slang produces for F17 to F24

This fixes https://savannah.gnu.org/bugs/?57503.

Diffstat:
M
src/winio.c
 | 
10
++++++++++

1 file changed, 10 insertions(+), 0 deletions(-)
diff --git a/src/winio.c b/src/winio.c
@@ -1059,6 +1059,11 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
 						} else if (length > 5 && seq[3] == ';' && seq[5] == '~')
 							/* Esc [ 1 n ; 2 ~ == F17...F20 on some terminals. */
 							*consumed = 6;
+#ifdef USE_SLANG
+						else if (length == 4 && seq[3] == ';')
+							/* Discard broken sequences that Slang produces. */
+							*consumed = 4;
+#endif
 						break;
 					case '2':
 						if (length > 3 && seq[3] == '~') {
@@ -1095,6 +1100,11 @@ int convert_sequence(const int *seq, size_t length, int *consumed)
 						else if (length > 5 && seq[3] == ';' && seq[5] == '~')
 							/* Esc [ 2 n ; 2 ~ == F21...F24 on some terminals. */
 							*consumed = 6;
+#ifdef USE_SLANG
+						else if (length == 4 && seq[3] == ';')
+							/* Discard broken sequences that Slang produces. */
+							*consumed = 4;
+#endif
 						break;
 					case '3': /* Esc [ 3 ~ == Delete on VT220/VT320/
 							   * Linux console/xterm/Terminal. */