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Merge branch 'fix/linenoise-arrow-usage' into 'master'

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

Closes IDFGH-15849

See merge request espressif/esp-idf!40601
This commit is contained in:
Guillaume Souchere
2025-07-18 08:57:15 +02:00
parent 3c3ee159c5 b46f4689bd
commit 361c1b1fd6
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 */ case ESC: { /* escape sequence */
/* ESC [ sequences. */ /* ESC [ sequences. */
char seq[3]; char seq[3];
int r = read_func(in_fd, seq, 2); int r = read_func(in_fd, seq, 1);
if (r != 2) { if (r != 1) {
return -1; return -1;
} }
if (seq[0] == '[') { if (seq[0] == '[') {
int r = read_func(in_fd, seq + 1, 1);
if (r != 1) {
return -1;
}
if (seq[1] >= '0' && seq[1] <= '9') { if (seq[1] >= '0' && seq[1] <= '9') {
/* Extended escape, read additional byte. */ /* Extended escape, read additional byte. */
r = read_func(in_fd, seq + 2, 1); 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. */ /* ESC O sequences. */
else if (seq[0] == 'O') { else if (seq[0] == 'O') {
int r = read_func(in_fd, seq + 1, 1);
if (r != 1) {
return -1;
}
switch(seq[1]) { switch(seq[1]) {
case 'H': /* Home */ case 'H': /* Home */
linenoiseEditMoveHome(&l); linenoiseEditMoveHome(&l);