diff options
| author | Antony Pavlov <antonynpavlov@gmail.com> | 2012-10-26 09:58:53 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-10-29 10:02:06 +0100 |
| commit | db494137a800c596773be0d75f5ad2708b189cca (patch) | |
| tree | 042973c6c1f65f0774c6c6dff51be7ab3ca99911 /lib/readline.c | |
| parent | 72703410feff9ed44779b54a41ff30312e781279 (diff) | |
| download | barebox-db494137a800c596773be0d75f5ad2708b189cca.tar.gz barebox-db494137a800c596773be0d75f5ad2708b189cca.tar.xz | |
readline: move backspace key handling to the DO_BACKSPACE macro
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'lib/readline.c')
| -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 5717a1782f..086b7f1a65 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: |