* [PATCH] Cygwin: pty: Fix a bug in input transfer for GDB.
@ 2021-02-14 18:47 Takashi Yano
2021-02-15 12:06 ` Corinna Vinschen
0 siblings, 1 reply; 2+ messages in thread
From: Takashi Yano @ 2021-02-14 18:47 UTC (permalink / raw)
To: cygwin-patches
- With this patch, not only NL but also CR is treated as a line end
in the code checking if input transfer is necessary.
---
winsup/cygwin/fhandler_tty.cc | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index f6eb3ae4d..5afede859 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -1181,7 +1181,7 @@ fhandler_pty_slave::mask_switch_to_pcon_in (bool mask, bool xfer)
/* In GDB, transfer input based on setpgid() does not work because
GDB may not set terminal process group properly. Therefore,
transfer input here if isHybrid is set. */
- if (get_ttyp ()->switch_to_pcon_in && !!masked != mask && xfer && isHybrid)
+ if (isHybrid && !!masked != mask && xfer)
{
if (mask && get_ttyp ()->pcon_input_state_eq (tty::to_nat))
{
@@ -1471,7 +1471,8 @@ wait_retry:
out:
termios_printf ("%d = read(%p, %lu)", totalread, ptr, len);
len = (size_t) totalread;
- mask_switch_to_pcon_in (false, totalread > 0 && ptr0[totalread - 1] == '\n');
+ bool saw_eol = totalread > 0 && strchr ("\r\n", ptr0[totalread -1]);
+ mask_switch_to_pcon_in (false, saw_eol);
}
int
--
2.30.0
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] Cygwin: pty: Fix a bug in input transfer for GDB.
2021-02-14 18:47 [PATCH] Cygwin: pty: Fix a bug in input transfer for GDB Takashi Yano
@ 2021-02-15 12:06 ` Corinna Vinschen
0 siblings, 0 replies; 2+ messages in thread
From: Corinna Vinschen @ 2021-02-15 12:06 UTC (permalink / raw)
To: cygwin-patches
On Feb 15 03:47, Takashi Yano via Cygwin-patches wrote:
> - With this patch, not only NL but also CR is treated as a line end
> in the code checking if input transfer is necessary.
> ---
> winsup/cygwin/fhandler_tty.cc | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
> index f6eb3ae4d..5afede859 100644
> --- a/winsup/cygwin/fhandler_tty.cc
> +++ b/winsup/cygwin/fhandler_tty.cc
> @@ -1181,7 +1181,7 @@ fhandler_pty_slave::mask_switch_to_pcon_in (bool mask, bool xfer)
> /* In GDB, transfer input based on setpgid() does not work because
> GDB may not set terminal process group properly. Therefore,
> transfer input here if isHybrid is set. */
> - if (get_ttyp ()->switch_to_pcon_in && !!masked != mask && xfer && isHybrid)
> + if (isHybrid && !!masked != mask && xfer)
> {
> if (mask && get_ttyp ()->pcon_input_state_eq (tty::to_nat))
> {
> @@ -1471,7 +1471,8 @@ wait_retry:
> out:
> termios_printf ("%d = read(%p, %lu)", totalread, ptr, len);
> len = (size_t) totalread;
> - mask_switch_to_pcon_in (false, totalread > 0 && ptr0[totalread - 1] == '\n');
> + bool saw_eol = totalread > 0 && strchr ("\r\n", ptr0[totalread -1]);
> + mask_switch_to_pcon_in (false, saw_eol);
> }
>
> int
> --
> 2.30.0
Pushed.
Thanks,
Corinna
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2021-02-15 12:06 ` Corinna Vinschen
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