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

This fixes https://savannah.gnu.org/bugs/?57503.
This commit is contained in:
Benno Schulenberg 2020-01-03 12:34:15 +01:00
parent 3cae32390d
commit 5b07e5fd1f
1 changed files with 10 additions and 0 deletions
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10
src/winio.c
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@ -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. */