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History log of /src/lib/libedit/search.c
RevisionDateAuthorComments
 1.52  30-Jun-2024  christos Prevent reading before the line buffer (try ^R^W in emacs mode at the
beginning of the line) (Robert Morris)
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=279426
 1.51  30-Mar-2020  ryo branches: 1.51.8;
patbuf must be updated if the length of patbuf is greater than or equal to 0. (that is always)
fix of r1.7 was incorrect.
 1.50  30-Mar-2020  ryo fix build error with SDEBUG, MAP_DEBUG, DEBUG_REFRESH
 1.49  23-Jul-2019  christos PR/54399: S�ren Tempel: Uninitialized memory access in libedit history.
Initialize the buffer using calloc. While here change all malloc(a * sizeof(b))
to calloc(a, sizeof(b)). XXX: should fix realloc similarly.
 1.48  26-Feb-2018  christos branches: 1.48.4;
PR/53058: Nikhil Benesch: use correctly typed variables (wchar_t vs wint_t)
as parameters.
 1.47  09-May-2016  christos s/protected/libedit_private/g
 1.46  28-Apr-2016  christos Initialize patbuf (Ingo Schwarze)
 1.45  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.
 1.44  11-Apr-2016  christos Get rid of private/public; keep protected (Ingo Schwarze)
 1.43  11-Apr-2016  christos Char -> wchar_t from Ingo Schwarze.
 1.42  11-Apr-2016  christos more macro WIDECHAR undoing from Ingo Schwarze.
 1.41  09-Apr-2016  christos More WIDECHAR elimination (Ingo Schwarze)
 1.40  23-Mar-2016  christos Start removing the WIDECHAR ifdefs; building without it has stopped working
anyway. (Ingo Schwarze)
 1.39  24-Feb-2016  christos Get split el_getc and el_wgetc completely and call el_wgetc internally.
Change some character constants to they wide versions. (Ingo Schwarze)
 1.38  16-Feb-2016  christos More header cleanups from Ingo Schwarze.
 1.37  16-Feb-2016  christos more include file cleanup (Ingo Schwarze)
 1.36  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...
 1.35  16-Feb-2016  christos cleanup chartype.h includes (Ingo Schwarze)
 1.34  16-Feb-2016  christos cleanup inclusion of histedit.h (Ingo Schwarze)
 1.33  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.
 1.32  11-Feb-2016  christos - Add some more Char casts
- reduce ifdefs by providing empty defs for nls functions (Ingo Schwarze)
 1.31  30-Jan-2016  christos Fix misplaced parentheses (Ingo Schwarze)
 1.30  04-Oct-2011  christos fixed warnings where wint_t is unsigned.
 1.29  16-Aug-2011  christos re-enable -Wconversion
 1.28  29-Jul-2011  christos pass -Wconversion
 1.27  29-Jul-2011  christos KNF return (\1); -> return \1;
 1.26  28-Jul-2011  christos kill ptr_t and ioctl_t, add * sizeof(*foo) to all allocations.
 1.25  28-Jul-2011  christos term -> terminal
 1.24  15-Apr-2010  christos From Jess Thrysoee
- Fix wint_t to Int confusion
 1.23  30-Dec-2009  christos Fix wide build, test it, but don't turn it on yet.
 1.22  30-Dec-2009  christos Wide character support (UTF-8) from Johny Mattsson; currently disabled.
 1.21  15-Feb-2009  christos pass lint on _LP64.
 1.20  04-Nov-2004  christos branches: 1.20.34;
Make EM_DELETE_PREV_CHAR behave like ED_DELETE_PREV_CHAR in incremental
search. From Gerry Swislow.
 1.19  25-Oct-2003  christos Another fix for incremental search prev.
 1.18  18-Oct-2003  christos make forward incremental search work better.
 1.17  17-Oct-2003  christos When searching backwards don't include the characters after the cursor in
the search.
 1.16  16-Oct-2003  christos Fix incremental search which was badly busted.
 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  20-Nov-2002  christos Fix problem with previous patches that broke vi history.
- c_gets() was usually returning a length, but sometimes
one of the CC_xxx values (which are small +ve integers)!
- fixed c_gets() by putting a ' ' under the cursor.
From David Laight.
 1.13  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.
 1.12  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.
 1.11  23-Jan-2001  jdolecek sprinkle couple const
 1.10  04-Jan-2001  christos consistently check for allocation failures and return -1, if we could not
get more memory.
 1.9  04-Sep-2000  lukem convert to new style guide, which includes:
- ansi prototypes & features (such as stdargs)
- 8 space indents
 1.8  02-Jul-1999  simonb More trailing white space.
 1.7  05-Feb-1999  christos delint.
 1.6  02-Sep-1998  christos PR/6081: Wolfgang Helbig: search broken in vi mode. When patbuf was changed
to be dynamically allocated, sizeof was not changed appropriately.
 1.5  06-Jul-1997  christos Fix compiler warnings.
 1.4  23-Jan-1997  mrg - convert unsafe strcpy(), strcat() and sprintf() to the `n' versions.
- some KNF.
 1.3  11-Jan-1997  lukem RCSid police
editline first appeared in 4.4BSD not NetBSD1.0
 1.2  02-Oct-1994  jtc Added code so that POSIX.2 regular expresion functions are used if REGEX
is defined, V8 regular expresion functions are used if REGEXP is defined,
and BSD regular expression functions are used if neither are defined.
And defined REGEX in sys.h so that programs using libedit don't have
to link with libcompat.
 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  07-Oct-1994  mycroft Update from trunk.
 1.20.34.1  13-May-2009  jym Sync with HEAD.

Third (and last) commit. See http://mail-index.netbsd.org/source-changes/2009/05/13/msg221222.html
 1.48.4.2  13-Apr-2020  martin Mostly merge changes from HEAD upto 20200411
 1.48.4.1  08-Apr-2020  martin Merge changes from current as of 20200406
 1.51.8.1  01-Jul-2024  perseant Sync with HEAD.

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