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FIXES
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/****************************************************************
Copyright (C) Lucent Technologies 1997
All Rights Reserved
Permission to use, copy, modify, and distribute this software and
its documentation for any purpose and without fee is hereby
granted, provided that the above copyright notice appear in all
copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name Lucent Technologies or any of
its entities not be used in advertising or publicity pertaining
to distribution of the software without specific, written prior
permission.
LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
THIS SOFTWARE.
****************************************************************/
This file lists all bug fixes, changes, etc., made since the
second edition of the AWK book was published in September 2023.
May 27, 2024
Spelling fixes and removal of unneeded prototypes and extern.
Thanks to Jonathan Gray.
May 4, 2024
Fixed a use-after-free bug with ARGV for "delete ARGV".
Also ENVtab is no longer global. Thanks to Benjamin Sturz
for spotting the ARGV issue and Todd Miller for the fix.
May 3, 2024:
Remove warnings when compiling with g++. Thanks to Arnold Robbins.
Apr 22, 2024:
Fixed regex engine gototab reallocation issue that was
Introduced during the Nov 24 rewrite. Thanks to Arnold Robbins.
Fixed a scan bug in split in the case the separator is a single
character. Thanks to Oguz Ismail for spotting the issue.
Mar 10, 2024:
Fixed use-after-free bug in fnematch due to adjbuf invalidating
the pointers to buf. Thanks to github user caffe3 for spotting
the issue and providing a fix, and to Miguel Pineiro Jr.
for the alternative fix.
MAX_UTF_BYTES in fnematch has been replaced with awk_mb_cur_max.
thanks to Miguel Pineiro Jr.
Jan 22, 2024:
Restore the ability to compile with g++. Thanks to
Arnold Robbins.
Dec 24, 2023:
Matchop dereference after free problem fix when the first
argument is a function call. Thanks to Oguz Ismail Uysal.
Fix inconsistent handling of --csv and FS set in the
command line. Thanks to Wilbert van der Poel.
Casting changes to int for is* functions.
Nov 27, 2023:
Fix exit status of system on MacOS. Update to REGRESS.
Thanks to Arnold Robbins.
Fix inconsistent handling of -F and --csv, and loss of csv
mode when FS is set.
Nov 24, 2023:
Fix issue #199: gototab improvements to dynamically resize the
table, qsort and bsearch to improve the lookup speed as the
table gets larger for multibyte input. Thanks to Arnold Robbins.
Nov 23, 2023:
Fix Issue #169, related to escape sequences in strings.
Thanks to Github user rajeevvp.
Fix Issue #147, reported by Github user drawkula, and fixed
by Miguel Pineiro Jr.
Nov 20, 2023:
Rewrite of fnematch to fix a number of issues, including
extraneous output, out-of-bounds access, number of bytes
to push back after a failed match etc.
Thanks to Miguel Pineiro Jr.
Nov 15, 2023:
Man page edit, regression test fixes. Thanks to Arnold Robbins
Consolidation of sub and gsub into dosub, removing duplicate
code. Thanks to Miguel Pineiro Jr.
gcc replaced with cc everywhere.
Oct 30, 2023:
Multiple fixes and a minor code cleanup.
Disabled utf-8 for non-multibyte locales, such as C or POSIX.
Fixed a bad char * cast that causes incorrect results on big-endian
systems. Also fixed an out-of-bounds read for empty CCL.
Fixed a buffer overflow in substr with utf-8 strings.
Many thanks to Todd C Miller.
Sep 24, 2023:
fnematch and getrune have been overhauled to solve issues around
unicode FS and RS. Also fixed gsub null match issue with unicode.
Big thanks to Arnold Robbins.
Sep 12, 2023:
Fixed a length error in u8_byte2char that set RSTART to
incorrect (cannot happen) value for EOL match(str, /$/).
-----------------------------------------------------------------
[This entry is a summary, not a precise list of changes.]
Added --csv option to enable processing of comma-separated
values inputs. When --csv is enabled, fields are separated
by commas, fields may be quoted with " double quotes, fields
may contain embedded newlines.
If no explicit separator argument is provided, split() uses
the setting of --csv to determine how fields are split.
Strings may now contain UTF-8 code points (not necessarily
characters). Functions that operate on characters, like
length, substr, index, match, etc., use UTF-8, so the length
of a string of 3 emojis is 3, not 12 as it would be if bytes
were counted.
Regular expressions are processed as UTF-8.
Unicode literals can be written as \u followed by one
to eight hexadecimal digits. These may appear in strings and
regular expressions.