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fix(linenoise): Skip 0x00 to 0x1F character in dump mode

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Skipping through the non printable character assures that
in dumb mode, any special keys will not lead to the cursor
movement.
This commit is contained in:
Guillaume Souchere
2024-04-17 12:50:02 +02:00
parent ac2491acc5
commit 302881e6b7
1 changed files with 6 additions and 3 deletions
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9
components/console/linenoise/linenoise.c
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@ -171,6 +171,7 @@ enum KEY_ACTION{
CTRL_U = 21, /* Ctrl+u */
CTRL_W = 23, /* Ctrl+w */
ESC = 27, /* Escape */
UNIT_SEP = 31, /* ctrl-_ */
BACKSPACE = 127 /* Backspace */
};
@ -1116,9 +1117,7 @@ static int linenoiseDumb(char* buf, size_t buflen, const char* prompt) {
int c = fgetc(stdin);
if (c == '\n') {
break;
} else if (c >= 0x1c && c <= 0x1f){
continue; /* consume arrow keys */
} else if (c == BACKSPACE || c == 0x8) {
} else if (c == BACKSPACE || c == CTRL_H) {
if (count > 0) {
buf[count - 1] = 0;
count--;
@ -1131,6 +1130,10 @@ static int linenoiseDumb(char* buf, size_t buflen, const char* prompt) {
continue;
}
} else if (c <= UNIT_SEP) {
/* Consume all character that are non printable (the backspace
* case is handled above) */
continue;
} else {
buf[count] = c;
++count;