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tweaks: parse the escape-sequence bytes without copying them first

This commit is contained in:
Benno Schulenberg 2020-08-09 15:25:22 +02:00
parent 435d9acb5c
commit aeb15e9549
1 changed files with 4 additions and 6 deletions
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10
src/winio.c
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@ -822,7 +822,7 @@ int parse_escape_sequence(int starter)
/* Grab at most five integers (the longest possible escape sequence
* minus its first element) from the keybuffer. */
length = (key_buffer_len < 5 ? key_buffer_len : 5);
sequence = get_input(NULL, length);
sequence = key_buffer;
if (starter == 'O')
keycode = convert_SS3_sequence(sequence, length, &consumed);
@ -833,11 +833,9 @@ int parse_escape_sequence(int starter)
die("Bad sequence starter -- please report a bug\n");
#endif
/* If not all grabbed integers were consumed, put the leftovers back. */
for (int i = length - 1; i >= consumed; i--)
put_back(sequence[i]);
free(sequence);
/* Remove the consumed sequence bytes from the keystroke buffer. */
key_buffer_len -= consumed;
memmove(key_buffer, key_buffer + consumed, key_buffer_len * sizeof(int));
return keycode;
}