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Pedro Alves 9753a2f6d7 Fix PR tui/21216: TUI line breaks regression
Commit d7e747318f ("Eliminate make_cleanup_ui_file_delete / make
ui_file a class hierarchy") regressed the TUI's command window.
Newlines miss doing a "carriage return", resulting in output like:

~~~~~~~~~~~~~~~~~~
(gdb) helpList of classes of commands:

                                      aliases -- Aliases of other commands
                                                                          breakpoints -- Making program stop at certain points
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Before the commit mentioned above, the default ui_file->to_write
implementation had a hack that would defer into the ui_file->to_fputs
method.  The TUI's ui_file did not implement the to_write method, so
all writes would end up going to the ncurses window via tui_file_fputs
-> tui_puts.

After the commit above, the hack is gone, but the TUI's ui_file still
does not implement the ui_file::write method.  Since tui_file inherits
from stdio_file, writing to a tui_file ends up doing fwrite on the
FILE stream the TUI is "associated" with, via stdio_file::write,
instead of writing to the ncurses window.

The fix is to have tui_file override the "write" method.

New test included.

gdb/ChangeLog:
2017-03-08  Pedro Alves  <palves@redhat.com>

	PR tui/21216
	* tui/tui-file.c (tui_file::write): New.
	* tui/tui-file.h (tui_file): Override "write".
	* tui/tui-io.c (do_tui_putc, update_start_line): New functions,
	factored out from ...
	(tui_puts): ... here.
	(tui_putc): Use them.
	(tui_write): New function.
	* tui/tui-io.h (tui_write): Declare.

gdb/testsuite/ChangeLog:
2017-03-08  Pedro Alves  <palves@redhat.com>

	PR tui/21216
	* gdb.tui/tui-nl-filtered-output.exp: New file.
2017-03-08 00:14:59 +00:00
bfd Automatic date update in version.in 2017-03-08 00:00:42 +00:00
binutils Fix reading numeric values from GNU BUILD NOTEs. 2017-03-06 17:21:04 +00:00
config picflag.m4 high bit set in comment 2017-01-05 00:02:57 +10:30
cpu Add fall through comment to source in cpu/ 2016-10-06 22:48:37 +10:30
elfcpp Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
etc update-copyright.py for binutils 2017-01-05 00:03:07 +10:30
gas Correct @section placement for makeinfo 4.13 2017-03-07 19:41:56 +10:30
gdb Fix PR tui/21216: TUI line breaks regression 2017-03-08 00:14:59 +00:00
gold PowerPC ld segfault on script discarding dynamic sections 2017-02-22 08:44:41 +10:30
gprof Update year range in copyright notice of all files. 2017-01-02 14:08:56 +10:30
include Add support for displaying and merging GNU_BUILD_NOTEs. 2017-03-01 11:09:46 +00:00
intl Regen intl/configure 2015-08-31 12:53:36 +09:30
ld Fix ld uninitialized read of script ASSERT data structure 2017-03-07 12:33:28 +10:30
libdecnumber
libiberty Sync libiberty sources with GCC mainline. 2017-03-01 15:09:29 +00:00
opcodes Add support for Intel CET instructions 2017-03-06 15:26:37 -08:00
readline Improve MinGW support in Readline 2016-09-17 11:50:37 +03:00
sim Fix umulh and smulh bugs. Fix bugs in last week's sumov.s testsuite. 2017-03-03 13:10:45 -08:00
texinfo
zlib Sync ZLIB with FSF GCC sources, bringing in version 1.2.11. 2017-02-20 12:52:22 +00:00
.cvsignore
.gitattributes
.gitignore Add archives and make stamps to the .gitignore file. 2016-09-27 15:10:42 +01:00
ChangeLog Sync top-level make and configure files with FSF GCC mainline versions. 2017-01-23 11:55:48 +00:00
compile
config-ml.in
config.guess Sync config.sub,config.guess with upstream. 2016-11-07 13:08:55 -08:00
config.rpath
config.sub Import config.sub 2016-12-31 11:47:16 +10:30
configure Sync top-level make and configure files with FSF GCC mainline versions. 2017-01-23 11:55:48 +00:00
configure.ac Sync top-level make and configure files with FSF GCC mainline versions. 2017-01-23 11:55:48 +00:00
COPYING
COPYING3
COPYING3.LIB
COPYING.LIB
COPYING.LIBGLOSS
COPYING.NEWLIB
depcomp
djunpack.bat
install-sh
libtool.m4 Sync top-level btool.m4 with GCC 2016-01-12 08:44:52 -08:00
lt~obsolete.m4
ltgcc.m4
ltmain.sh
ltoptions.m4
ltsugar.m4
ltversion.m4
MAINTAINERS
Makefile.def Sync top-level make and configure files with FSF GCC mainline versions. 2017-01-23 11:55:48 +00:00
Makefile.in Sync top-level make and configure files with FSF GCC mainline versions. 2017-01-23 11:55:48 +00:00
Makefile.tpl Sync top-level make and configure files with FSF GCC mainline versions. 2017-01-23 11:55:48 +00:00
makefile.vms
missing
mkdep
mkinstalldirs
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README
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setup.com
src-release.sh fix gdb version parsing in src-release.sh 2016-01-17 10:01:55 +04:00
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		   README for GNU development tools

This directory contains various GNU compilers, assemblers, linkers, 
debuggers, etc., plus their support routines, definitions, and documentation.

If you are receiving this as part of a GDB release, see the file gdb/README.
If with a binutils release, see binutils/README;  if with a libg++ release,
see libg++/README, etc.  That'll give you info about this
package -- supported targets, how to use it, how to report bugs, etc.

It is now possible to automatically configure and build a variety of
tools with one command.  To build all of the tools contained herein,
run the ``configure'' script here, e.g.:

	./configure 
	make

To install them (by default in /usr/local/bin, /usr/local/lib, etc),
then do:
	make install

(If the configure script can't determine your type of computer, give it
the name as an argument, for instance ``./configure sun4''.  You can
use the script ``config.sub'' to test whether a name is recognized; if
it is, config.sub translates it to a triplet specifying CPU, vendor,
and OS.)

If you have more than one compiler on your system, it is often best to
explicitly set CC in the environment before running configure, and to
also set CC when running make.  For example (assuming sh/bash/ksh):

	CC=gcc ./configure
	make

A similar example using csh:

	setenv CC gcc
	./configure
	make

Much of the code and documentation enclosed is copyright by
the Free Software Foundation, Inc.  See the file COPYING or
COPYING.LIB in the various directories, for a description of the
GNU General Public License terms under which you can copy the files.

REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info
on where and how to report problems.