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History log of /src/lib/libedit/emacs.c
RevisionDateAuthorComments
 1.38  29-Jun-2024  christos don't use oldc before it is set.
 1.37  29-Jun-2024  christos Retrieve the cursor position after calling c_insert, because c_insert could
enlarge the line buffer making the old cursor position point to freed memory.
From Robert Morris https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279772
 1.36  09-May-2016  christos s/protected/libedit_private/g
 1.35  18-Apr-2016  christos From Ingo Schwarze:
* Replace fcns.c by a shorter and simpler func.h
and include it only in the one file needing it, map.c.
* Combine help.h and help.c into a simplified help.h
and include it only in the one file needing it, map.c.
* Check the very simple, static files editline.c, historyn.c, and
tokenizern.c into CVS rather than needlessly generating them.
* So we no longer autogenerate any C files. :-)
* Shorten and simplify makelist by deleting the options -n, -e, -bc,
and -m; the latter was unused and useless in the first place.
* Move the declaration of el_func_t from fcns.h to the header
actually needing it, map.h. Since that header is already
included by el.h for unrelated reasons, that makes el_func_t
just as globally available as before.
* No longer include the simplified fcns.h into el.h,
include it directly into the *.c files needing it.
 1.34  11-Apr-2016  christos Char -> wchar_t from Ingo Schwarze.
 1.33  09-Apr-2016  christos More WIDECHAR elimination (Ingo Schwarze)
 1.32  16-Feb-2016  christos More header cleanups from Ingo Schwarze.
 1.31  16-Feb-2016  christos more include file cleanup (Ingo Schwarze)
 1.30  16-Feb-2016  christos From Ingo Scharze:
Let "el.h" include everything needed for struct editline,
and don't include that stuff multiple times. That also improves
consistency, also avoids circular inclusions, and also makes it
easier to follow what is going on, even though not quite as nice.
But it seems like the best we can do...
 1.29  16-Feb-2016  christos cleanup chartype.h includes (Ingo Schwarze)
 1.28  16-Feb-2016  christos cleanup inclusion of histedit.h (Ingo Schwarze)
 1.27  14-Feb-2016  christos From Ingo Schwarze:

As we have seen before, "histedit.h" can never get rid of including
the <wchar.h> header because using the data types defined there is
deeply ingrained in the public interfaces of libedit.

Now POSIX unconditionally requires that <wchar.h> defines the type
wint_t. Consequently, it can be used unconditionally, no matter
whether WIDECHAR is active or not. Consequently, the #define Int
is pointless.

Note that removing it is not gratuitious churn. Auditing for
integer signedness problems is already hard when only fundamental
types like "int" and "unsigned" are involved. It gets very hard
when types come into the picture that have platform-dependent
signedness, like "char" and "wint_t". Adding yet another layer
on top, changing both the signedness and the width in a platform-
dependent way, makes auditing yet harder, which IMHO is really
dangerous. Note that while removing the #define, i already found
one bug caused by this excessive complication - in the function
re_putc() in refresh.c. If WIDECHAR was defined, it printed an
Int = wint_t value with %c. Fortunately, that bug only affects
debugging, not production. The fix is contained in the patch.

With WIDECHAR, this doesn't change anything. For the case without
WIDECHAR, i checked that none of the places wants to store values
that might not fit in wint_t.

This only changes internal interfaces; public ones remain unchanged.
 1.26  11-Feb-2016  christos - Add some more Char casts
- reduce ifdefs by providing empty defs for nls functions (Ingo Schwarze)
 1.25  29-Jul-2011  christos KNF return (\1); -> return \1;
 1.24  28-Jul-2011  christos term -> terminal
XXX: need to rename key_ too.
 1.23  30-Dec-2009  christos Wide character support (UTF-8) from Johny Mattsson; currently disabled.
 1.22  15-Feb-2009  christos pass lint on _LP64.
 1.21  06-Mar-2006  christos branches: 1.21.28;
Print the actual eofc, instead of ^D\b\b.
Change internal character decoding to prevent buffer oveflows.
 1.20  08-Aug-2005  christos Spelling mistakes and comment errors (from FreeBSD via Stefan Farfeleder; many
thanks)
 1.19  28-Oct-2004  dsl Use (unsigned char) cast to sanitise arguments to ctype functions.
 1.18  27-Oct-2004  dsl Fix a load of international alphabet problems with isxxx() and toupper()
Change isspace(*char_ptr) to isspace(*char_ptr & 0xff) so that the correct
piece of memory is looked at for the bit mask.
gcc optimises out the '& 0xff' (on i386 at least).
Fixes problems found by gcc when the splurious (int) cast is removed
from the #defines in ctype.h
 1.17  13-Aug-2004  mycroft Delete-previous-char and delete-next-char without an argument are not supposed
to modify the yank buffer in Emacs. Make it so.
 1.16  02-Nov-2003  christos If the kill buffer is empty return normal. From Gerry Swislow gerry at certif
dot com
 1.15  07-Aug-2003  agc Move UCB-licensed code from 4-clause to 3-clause licence.

Patches provided by Joel Baker in PR 22280, verified by myself.
 1.14  19-Jun-2003  christos From michael@moria.de:
- use __attribute__((__unused__)) in arguments where appropriate.
- some int -> size_t and char * to const char * conversions.
 1.13  31-Mar-2003  perry em-gosmacs-traspose->em-gosmacs-transpose (Igor Sobrado, PR misc/19909)
 1.12  15-Nov-2002  christos PR/18995: David Laight: libedit fixes for posix conformant sh

The posix 'sh' specification defines vi-mode editing quite tightly.
The netbsd libedit code (used by sh to do this) was missing several
features, there were also minor errors in others.

Compare netbsd sh to the definition available from:
http://www.opengroup.org/onlinepubs/007904975/utilities/sh.html
In particular the following were not supported:
U - undo all changes to line
| - goto column
Y - yank to end of line
y - yank
# - comment out current line
@ - take input from shell alias [1]
G - goto numbered line in history buffer
v - edit history line with vi
_ - append word from last input line
. - redo last command
Other minor changes have also been made.

[1] This needs the shell to define an appropriate routine to
return the text of the alias. There is no requirement that
such a function exist.
 1.11  27-Oct-2002  christos vi mode and memory fixes from david laight.
 1.10  18-Mar-2002  christos - constify; passes all gcc and lint strict checks.
- add config.h [Jason Evans], to create a portable version of libedit that
can be easily compiled on other OS's.
 1.9  10-Jan-2001  jdolecek Enlarge editline buffers as needed to support arbitrary length lines.
This also addresses lib/9712 by Phil Nelson.
 1.8  04-Sep-2000  lukem convert to new style guide, which includes:
- ansi prototypes & features (such as stdargs)
- 8 space indents
 1.7  02-Jul-1999  simonb More trailing white space.
 1.6  20-May-1998  christos cast is*() arg to unsigned char
 1.5  03-Feb-1998  perry remove obsolete register declarations
 1.4  06-Jul-1997  christos Fix compiler warnings.
 1.3  11-Jan-1997  lukem RCSid police
editline first appeared in 4.4BSD not NetBSD1.0
 1.2  30-Aug-1994  cgd fix for pr 420, from Christos.
 1.1  06-May-1994  cgd branches: 1.1.1;
Initial revision
 1.1.1.1  06-May-1994  cgd branches: 1.1.1.1.2;
libedit!
 1.1.1.1.2.1  30-Aug-1994  cgd from trunk; pr 420
 1.21.28.1  13-May-2009  jym Sync with HEAD.

Third (and last) commit. See http://mail-index.netbsd.org/source-changes/2009/05/13/msg221222.html

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