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fix(linenoise): Read escape sequences one character at a time

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This commit is contained in:
Guillaume Souchere
2025-07-15 16:05:00 +02:00
parent 037af2d40a
commit b46f4689bd
1 changed files with 10 additions and 2 deletions
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12
components/console/linenoise/linenoise.c
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@@ -1022,11 +1022,15 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
case ESC: { /* escape sequence */
/* ESC [ sequences. */
char seq[3];
int r = read_func(in_fd, seq, 2);
if (r != 2) {
int r = read_func(in_fd, seq, 1);
if (r != 1) {
return -1;
}
if (seq[0] == '[') {
int r = read_func(in_fd, seq + 1, 1);
if (r != 1) {
return -1;
}
if (seq[1] >= '0' && seq[1] <= '9') {
/* Extended escape, read additional byte. */
r = read_func(in_fd, seq + 2, 1);
@@ -1065,6 +1069,10 @@ static int linenoiseEdit(char *buf, size_t buflen, const char *prompt)
}
/* ESC O sequences. */
else if (seq[0] == 'O') {
int r = read_func(in_fd, seq + 1, 1);
if (r != 1) {
return -1;
}
switch(seq[1]) {
case 'H': /* Home */
linenoiseEditMoveHome(&l);