[Bug tui/10722] New: tui (gdb) prompt empty lines do not newline

[Bug tui/10722] New: tui (gdb) prompt empty lines do not newline

[jan dot kratochvil at redhat dot com]

Standard terminal readline:
$ gdb -q
(gdb) <enter>
(gdb)

TUI behavior:
$ gdb -q --tui
(gdb) <enter - nothing happens, it clears the same line>

The TUI window should emulate the standard terminal window so the behavior
should be the same, shouldn't it?

>From the thread: http://sourceware.org/ml/gdb/2009-10/msg00011.html

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           Summary: tui (gdb) prompt empty lines do not newline
           Product: gdb
           Version: unknown
            Status: UNCONFIRMED
          Severity: minor
          Priority: P3
         Component: tui
        AssignedTo: unassigned at sourceware dot org
        ReportedBy: jan dot kratochvil at redhat dot com
                CC: gdb-prs at sourceware dot org


http://sourceware.org/bugzilla/show_bug.cgi?id=10722

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[Bug tui/10722] tui (gdb) prompt empty lines do not newline

[jan dot kratochvil at redhat dot com]

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
OtherBugsDependingO|                            |10723
              nThis|                            |


http://sourceware.org/bugzilla/show_bug.cgi?id=10722

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[Bug tui/10722] tui (gdb) prompt empty lines do not newline

[pedro at codesourcery dot com]

------- Additional Comments From pedro at codesourcery dot com  2009-10-02 18:18 -------
Subject: Re:  New: tui (gdb) prompt empty lines do not newline

Funny, I always thought this was a feature, not a bug,
due to TUI's small console buffer.


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http://sourceware.org/bugzilla/show_bug.cgi?id=10722

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[Bug tui/10722] tui (gdb) prompt empty lines do not newline

[Stephane.Carrez at gmail dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=10722

Stephane Carrez <Stephane.Carrez at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                 CC|                            |Stephane.Carrez at gmail
                   |                            |dot com
         Resolution|                            |INVALID

--- Comment #2 from Stephane Carrez <Stephane.Carrez at gmail dot com> 2012-11-10 13:35:25 UTC ---
I confirm that this was intentional.  See tui/tui-io.c, in tui_getc

      /* When hitting return with an empty input, gdb executes the last
         command.  If we emit a newline, this fills up the command window
         with empty lines with gdb prompt at beginning.  Instead of that,
         stay on the same line but provide a visual effect to show the
         user we recognized the command.  */

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