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cli: support bracketed paste

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Some consoles use CSI 200~ and CSI 201~ to bracket inserts. This leads
U-Boot to misinterpret the inserted string. Ignore these escape sequences.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Heinrich Schuchardt 2022-02-07 19:14:02 +01:00
parent 085cbdafca
commit 00fa8256b5
1 changed files with 20 additions and 2 deletions
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22
common/cli_readline.c
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@ -321,6 +321,7 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
act = ESC_CONVERTED; act = ESC_CONVERTED;
break; /* pass off to ^N handler */ break; /* pass off to ^N handler */
case '1': case '1':
case '2':
case '3': case '3':
case '4': case '4':
case '7': case '7':
@ -332,7 +333,8 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
break; break;
} }
} else if (esc_len == 3) { } else if (esc_len == 3) {
if (ichar == '~') { switch (ichar) {
case '~':
switch (esc_save[2]) { switch (esc_save[2]) {
case '3': /* Delete key */ case '3': /* Delete key */
ichar = CTL_CH('d'); ichar = CTL_CH('d');
@ -349,9 +351,25 @@ static int cread_line(const char *const prompt, char *buf, unsigned int *len,
act = ESC_CONVERTED; act = ESC_CONVERTED;
break; /* pass to ^E handler */ break; /* pass to ^E handler */
} }
break;
case '0':
if (esc_save[2] == '2')
act = ESC_SAVE;
break;
}
} else if (esc_len == 4) {
switch (ichar) {
case '0':
case '1':
act = ESC_SAVE;
break; /* bracketed paste */
}
} else if (esc_len == 5) {
if (ichar == '~') { /* bracketed paste */
ichar = 0;
act = ESC_CONVERTED;
} }
} }
switch (act) { switch (act) {
case ESC_SAVE: case ESC_SAVE:
esc_save[esc_len++] = ichar; esc_save[esc_len++] = ichar;