Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx>
---
lib/readline.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/lib/readline.c b/lib/readline.c
index 5717a17..086b7f1 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:
--
1.7.10.4
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