diff options
-rw-r--r-- | lib/readline.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/lib/readline.c b/lib/readline.c index 5717a1782..086b7f1a6 100644 --- a/lib/readline.c +++ b/lib/readline.c @@ -137,6 +137,18 @@ static char* hist_next(void) } \ } +#define DO_BACKSPACE() \ + wlen = eol_num - num; \ + num--; \ + memmove(buf + num, buf + num + 1, wlen); \ + getcmd_putch(CTL_BACKSPACE); \ + putnstr(buf + num, wlen); \ + getcmd_putch(' '); \ + do { \ + getcmd_putch(CTL_BACKSPACE); \ + } while (wlen--); \ + eol_num--; + static void cread_add_char(char ichar, int insert, unsigned long *num, unsigned long *eol_num, char *buf, unsigned long len) { @@ -273,16 +285,7 @@ int readline(const char *prompt, char *buf, int len) case KEY_DEL7: case 8: if (num) { - wlen = eol_num - num; - num--; - memmove(buf + num, buf + num + 1, wlen); - getcmd_putch(CTL_BACKSPACE); - putnstr(buf + num, wlen); - getcmd_putch(' '); - do { - getcmd_putch(CTL_BACKSPACE); - } while (wlen--); - eol_num--; + DO_BACKSPACE(); } break; case KEY_DEL: |