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Add 0x7f as backspace key in shell

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This commit is contained in:
Yao Wei 2014-09-24 15:40:21 +08:00
parent 208f889a4a
commit b5d3c65672
1 changed files with 2 additions and 1 deletions
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3
sys/shell/shell.c
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@ -236,7 +236,8 @@ static int readline(shell_t *shell, char *buf, size_t size)
shell->put_char('\n');
return 0;
}
else if (c == '\b') {
/* QEMU uses 0x7f (DEL) as backspace, while 0x08 (BS) is for most terminals */
else if (c == 0x08 || c == 0x7f) {
if (line_buf_ptr == buf) {
/* The line is empty. */
continue;