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input: properly check the full escape sequences for all keys

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Also for Delete, End, PageUp and PageDown (on some terminals)
the last byte in the sequence needs to be checked.

This fixes https://savannah.gnu.org/bugs/?49710.
This commit is contained in:
David Lawrence Ramsey 2016-11-26 13:33:31 -06:00 committed by Benno Schulenberg
parent c1a484270b
commit d48071b2b2
1 changed files with 12 additions and 4 deletions
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16
src/winio.c
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@ -1015,18 +1015,26 @@ int convert_sequence(const int *seq, size_t seq_len)
break;
case '3': /* Esc [ 3 ~ == Delete on VT220/VT320/
* Linux console/xterm/Terminal. */
return KEY_DC;
if (seq_len > 2 && seq[2] == '~')
return KEY_DC;
break;
case '4': /* Esc [ 4 ~ == End on VT220/VT320/Linux
* console/xterm. */
return KEY_END;
if (seq_len > 2 && seq[2] == '~')
return KEY_END;
break;
case '5': /* Esc [ 5 ~ == PageUp on VT220/VT320/
* Linux console/xterm/Terminal;
* Esc [ 5 ^ == PageUp on Eterm. */
return KEY_PPAGE;
if (seq_len > 2 && (seq[2] == '~' || seq[2] == '^'))
return KEY_PPAGE;
break;
case '6': /* Esc [ 6 ~ == PageDown on VT220/VT320/
* Linux console/xterm/Terminal;
* Esc [ 6 ^ == PageDown on Eterm. */
return KEY_NPAGE;
if (seq_len > 2 && (seq[2] == '~' || seq[2] == '^'))
return KEY_NPAGE;
break;
case '7': /* Esc [ 7 ~ == Home on Eterm/rxvt,
* Esc [ 7 $ == Shift-Home on Eterm/rxvt. */
if (seq_len > 2 && seq[2] == '~')