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locks; strict;
comment @# @;
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@@
1.5
log
@lang/nawk: downgrade to 20230909.
Partially revert previous commit, by downgrading the package to the
most recent release tag supporting ASCII encoded input files (and
processing strings as sequences of bytes).
This is needed by security/mozilla-rootcerts and likely other packages;
see https://mail-index.netbsd.org/tech-pkg/2023/09/17/msg028190.html.
This version incorporates all the changes described in the FIXES file up
to 2023-09-09, minus support for UTF-8 and comma-separated values (CSV)
input.
@
text
@# The One True Awk
This is the version of `awk` described in _The AWK Programming Language_,
by Al Aho, Brian Kernighan, and Peter Weinberger
(Addison-Wesley, 1988, ISBN 0-201-07981-X).
## Copyright
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.
## Distribution and Reporting Problems
Changes, mostly bug fixes and occasional enhancements, are listed
in `FIXES`. If you distribute this code further, please please please
distribute `FIXES` with it.
If you find errors, please report them
to the current maintainer, ozan.yigit@@gmail.com.
Please _also_ open an issue in the GitHub issue tracker, to make
it easy to track issues.
Thanks.
## Submitting Pull Requests
Pull requests are welcome. Some guidelines:
* Please do not use functions or facilities that are not standard (e.g.,
`strlcpy()`, `fpurge()`).
* Please run the test suite and make sure that your changes pass before
posting the pull request. To do so:
1. Save the previous version of `awk` somewhere in your path. Call it `nawk` (for example).
1. Run `oldawk=nawk make check > check.out 2>&1`.
1. Search for `BAD` or `error` in the result. In general, look over it manually to make sure there are no errors.
* Please create the pull request with a request
to merge into the `staging` branch instead of into the `master` branch.
This allows us to do testing, and to make any additional edits or changes
after the merge but before merging to `master`.
## Building
The program itself is created by
make
which should produce a sequence of messages roughly like this:
yacc -d awkgram.y
conflicts: 43 shift/reduce, 85 reduce/reduce
mv y.tab.c ytab.c
mv y.tab.h ytab.h
cc -c ytab.c
cc -c b.c
cc -c main.c
cc -c parse.c
cc maketab.c -o maketab
./maketab >proctab.c
cc -c proctab.c
cc -c tran.c
cc -c lib.c
cc -c run.c
cc -c lex.c
cc ytab.o b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o -lm
This produces an executable `a.out`; you will eventually want to
move this to some place like `/usr/bin/awk`.
If your system does not have `yacc` or `bison` (the GNU
equivalent), you need to install one of them first.
NOTE: This version uses ISO/IEC C99, as you should also. We have
compiled this without any changes using `gcc -Wall` and/or local C
compilers on a variety of systems, but new systems or compilers
may raise some new complaint; reports of difficulties are
welcome.
This compiles without change on Macintosh OS X using `gcc` and
the standard developer tools.
You can also use `make CC=g++` to build with the GNU C++ compiler,
should you choose to do so.
The version of `malloc` that comes with some systems is sometimes
astonishly slow. If `awk` seems slow, you might try fixing that.
More generally, turning on optimization can significantly improve
`awk`'s speed, perhaps by 1/3 for highest levels.
## A Note About Releases
We don't usually do releases.
## A Note About Maintenance
NOTICE! Maintenance of this program is on a ''best effort''
basis. We try to get to issues and pull requests as quickly
as we can. Unfortunately, however, keeping this program going
is not at the top of our priority list.
#### Last Updated
Sun 23 Jan 2022 03:48:01 PM EST
@
1.4
log
@lang/nawk: update to release 20230911
This release marks the official 2nd edition of the AWK programming
language!
# CHANGES (since 20220122)
Sep 11, 2023:
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 processes 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.
Sep 06, 2023:
Fix edge case where FS is changed on commandline. Thanks to
Gordon Shephard and Miguel Pineiro Jr.
Fix regular expression clobbering in the lexer, where lexer does
not make a copy of regexp literals. also makedfa memory leaks have
been plugged. Thanks to Miguel Pineiro Jr.
Dec 15, 2022:
Force hex escapes in strings to be no more than two characters,
as they already are in regular expressions. This brings internal
consistency, as well as consistency with gawk. Thanks to
Arnold Robbins.
Sep 12, 2022:
adjbuf minlen error (cannot be 0) in cat, resulting in NULL pbuf.
discovered by todd miller. also use-after-free issue with
tempfree in cat, thanks to Miguel Pineiro Jr and valgrind.
Aug 30, 2022:
Various leaks and use-after-free issues plugged/fixed.
Thanks to Miguel Pineiro Jr. .
May 23, 2022:
Memory leak when assigning a string to some of the built-in
variables. allocated string erroneously marked DONTFREE.
Thanks to Miguel Pineiro Jr. .
Mar 14, 2022:
Historic bug: command-line "name=value" assignment had been
truncating its entry in ARGV. (circa 1989) Thanks to
Miguel Pineiro Jr. .
Mar 3, 2022:
Fixed file management memory leak that appears to have been
there since the files array was first initialized with stdin,
stdout, and stderr (circa 1992). Thanks to Miguel Pineiro Jr.
.
@
text
@d4 2
a5 32
Second Edition, by Al Aho, Brian Kernighan, and Peter Weinberger
(Addison-Wesley, 2024, ISBN-13 978-0138269722, ISBN-10 0138269726).
## What's New? ##
This version of Awk handles UTF-8 and comma-separated values (CSV) input.
### Strings ###
Functions that process strings now count Unicode code points, not bytes;
this affects `length`, `substr`, `index`, `match`, `split`,
`sub`, `gsub`, and others. Note that code
points are not necessarily characters.
UTF-8 sequences may appear in literal strings and regular expressions.
Aribtrary characters may be included with `\u` followed by 1 to 8 hexadecimal digits.
### Regular expressions ###
Regular expressions may include UTF-8 code points, including `\u`.
Character classes are likely to be limited to about 256 characters
when expanded.
### CSV ###
The option `--csv` turns on CSV processing of input:
fields are separated by commas, fields may be quoted with
double-quote (`"`) characters, fields may contain embedded newlines.
In CSV mode, `FS` is ignored.
If no explicit separator argument is provided,
field-splitting in `split` is determined by CSV mode.
d69 17
a85 15
yacc -d -b awkgram awkgram.y
yacc: 44 shift/reduce conflicts, 85 reduce/reduce conflicts.
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o awkgram.tab.o awkgram.tab.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o b.o b.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o main.o main.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o parse.o parse.c
cc -g -Wall -pedantic -Wcast-qual -O2 maketab.c -o maketab
./maketab awkgram.tab.h >proctab.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o proctab.o proctab.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o tran.o tran.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o lib.o lib.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o run.o run.c
cc -g -Wall -pedantic -Wcast-qual -O2 -c -o lex.o lex.c
cc -g -Wall -pedantic -Wcast-qual -O2 awkgram.tab.o b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o -lm
d105 5
d112 1
a112 1
We don't usually do releases.
d123 2
a124 1
Sun Sep 3 09:26:43 EDT 2023
@
1.3
log
@lang/nawk: update to release 20220122.
## CHANGES
2020-07-30 Arnold D. Robbins
By fiat, we use bison for $(YACC). Trying to accommodate
different versions didn't work.
* makefile: Significant cleanup. Replace all ytab* references
with awkgram.tab.* and simplify definition of YACC.
* .gitignore: Remove ytab* references.
* b.c, lex.c, maketab.c, parse.c, run.c: Replace include of ytab.h
with awkgram.tab.h.
* lib.c, main.c, tran.c: Remove include of ytab.h, wasn't needed.
2020-01-20 Arnold D. Robbins
* run.c (openfile): Set the close-on-exec flag for file
and pipe redirections that aren't stdin/stdout/stderr.
2020-01-06 Arnold D. Robbins
Minor fixes.
* b.c (replace_repeat): Turn init_q back into an int.
* lex.c (string): Use \a instead of \007.
* tran.c (catstr): Use snprintf instead of sprintf.
2020-01-01 Arnold D. Robbins
* tran.c (syminit, arginit, envinit): Free sval member before
setting it. Thanks to valgrind.
* b.c: Small formatting cleanups in several routines.
2019-12-27 Arnold D. Robbins
* b.c (replace_repeat): Fix a bug whereby a{0,3} could match
four a's. Thanks to Anonymous AWK fan
for the report. Also, minor code formatting cleanups.
* testdir/T.int-expr: New file.
2019-12-11 Arnold D. Robbins
* README: Renamed to ...
* README.md: ... this. Cleaned up some as well,
including moving to Markdown.
2019-11-08 Arnold D. Robbins
* test/T.chem: Use $oldawk instead of hardwiring 'awk'.
* test/T.lilly: Remove gawk warnings from output, improves
portability.
2019-10-07 Arnold D. Robbins
* b.c (fnematch): Change type of pbuf from unsigned char to char.
* proto.h (fnematch): Ditto.
2019-10-06 Arnold D. Robbins
* lib.c (readrec): Allow RS a regular expression. Imported
the code from the NetBSD awk.
* b.c (fnematch): New function for implementing the feature.
* awk.1: Updated.
* main.c (version): Updated.
2019-06-24 Arnold D. Robbins
* makefile: Revise to take into account there is no more awktest.tar,
add targets 'check' and 'test', and also 'testclean' to clean up
after test run. Have 'clean' and 'cleaner' depend upon 'testclean'.
2019-06-23 Arnold D. Robbins
* testdir: Extracted from awktest.tar and added to Git.
* awktest.tar: Removed.
2019-06-06 Arnold D. Robbins
* awk.1: Fix a typo, minor edits.
2019-06-05 Arnold D. Robbins
* b.c (relex): Count parentheses and treat umatched right paren
as a literal character.
* awktest.tar (testdir/T.re): Added a test case.
* main.c (version): Updated.
2019-05-29 Arnold D. Robbins
* lib.c (isclvar): Remove check for additional '=' after
first one. No longer needed.
2019-01-26 Arnold D. Robbins
* main.c (version): Updated.
2019-01-25 Arnold D. Robbins
* run.c (awkgetline): Check for numeric value in all getline
variants. See the numeric-getline.* files in bugs-fixed directory.
2018-08-29 Arnold D. Robbins
* REGRESS: Check for existence of a.out. If not there, run
make. Enable core dumps for T.arnold system status test
to work on MacOS X.
2018-08-22 Arnold D. Robbins
* awktest.tar (testdir/T.expr): Fix test for unary plus.
2018-08-22 Arnold D. Robbins
* REGRESS: Extract tests if necessary, set PATH to include '.'.
* regdir/beebe.tar (Makefile): Fix longwrds test to prefix
sort with LC_ALL=C.
* awktest.tar: Updated from fixed test suite, directory
it extracts is now called 'testdir' to match what's in top-level
REGRESS script.
* regdir: Removed, as Brian wants to keep the test suite in
the tar file.
2018-08-22 Arnold D. Robbins
* FIXES, lib.c, run.c, makefile, main.c: Merge from Brian's tree.
* REGRESS: New file, from Brian.
* awktest.tar: Restored from Brian's tree.
2018-08-22 Arnold D. Robbins
* awkgram.y (UPLUS): New token. In the grammar, call op1()
with it.
* maketab.c (proc): Add entry for UPLUS.
* run.c (arith): Handle UPLUS.
* main.c (version): Updated.
* bugs-fixed/unary-plus.awk, bugs-fixed/unary-plus.bad,
bugs-fixed/unary-plus.ok: New files.
2018-08-10 Arnold D. Robbins
* TODO: Updated.
* awk.1: Improve use of macros, add some additional explanation
in a few places, alphabetize list of variables.
2018-08-08 Arnold D. Robbins
* awk.h (Cell): Add new field `fmt' to track xFMT value used
for a string conversion.
[CONVC, CONVO]: New flag macros.
* bugs-fixed/README: Updated.
* bugs-fixed/string-conv.awk, bugs-fixed/string-conv.bad,
bugs-fixed/string-conv.ok: New files.
* main.c (version): Updated.
* proto.h (flags2str): Add declaration.
* tran.c (setfval): Clear CONVC and CONVO flags and set vp->fmt
to NULL.
(setsval): Ditto. Add large comment and new code to manage
correct conversion of number to string based on various flags
and the value of vp->fmt. The idea is to not convert again
if xFMT is the same as before and we're doing the same conversion.
Otherwise, clear the old flags, set the new, and reconvert.
(flags2str): New function. For debug prints and for use from a debugger.
2018-08-05 Arnold D. Robbins
Fix filename conflicts in regdir where the only difference was
in letter case. This caused problems on Windows systems.
* regdir/Compare.T1: Renamed from regdir/Compare.T.
* regdir/t.delete0: Renamed from regdir/t.delete.
* regdir/t.getline1: Renamed from regdir/t.getline.
* regdir/t.redir1: Renamed from regdir/t.redir.
* regdir/t.split1: Renamed from regdir/t.split.
* regdir/t.sub0: Renamed from regdir/t.sub.
* regdir/REGRESS: Adjusted.
2018-08-04 Arnold D. Robbins
With scalpel, tweasers, magnifying glass and bated breath,
borrow code from the NetBSD version of nawk to fix the years-old
bug whereby decrementing the value of NF did not change the
record.
* lib.c (fldbld): Set donerec to 1 when done.
(setlastfld): New function.
* proto.h (setlastfld): Add declaration.
* run.c (copycell): Make code smarter about flags (from NetBSD code).
* tran.c (setfree): New function.
* tran.c (setfval): Normalize negative zero to positive zero.
If setting NF, clear donerec and call setlastfld().
(setsval): Remove call to save_old_OFS(). If setting OFS, call
recbld(). If setting NF, clear donerec and call setlastfld().
As part of the process, revert OFS-related changes of 2018-05-22:
* awk.h (saveOFS, saveOFSlen, save_old_OFS): Remove declarations.
* lib.c (recbld): Use *OFS instead of saveOFS.
* run.c (saveOFS, saveOFSlen, save_old_OFS): Remove.
* tran.c (syminit): Remove initialization of saveOFS and saveOFSlen.
General stuff that goes along with all this:
* bugs-fixed/README: Updated.
* bugs-fixed/decr-NF.awk, bugs-fixed/decr-NF.bad,
bugs-fixed/decr-NF.ok: New files.
* main.c (version): Updated.
* regdir/README.TESTS: Fix awk book title.
* regdir/T.misc: Revise test to match fixed code.
* run.c (format): Increase size of buffer used for %a test. (Unrelated
to NF or OFS, but fixes a compiler complaint.)
2018-06-07 Arnold D. Robbins
* regdir/beebe.tar: Fix longwrds.ok so that the test will pass.
The file was incorrectly sorted.
2018-06-06 Arnold D. Robbins
* regdir/T.lilly: Fix the bug again in the second instance
of the code. Thanks to BWK for pointing this out.
2018-05-31 Arnold D. Robbins
* regdir/T.lilly: Fix a syntax error and ordering bug
in creating the 'foo' file.
2018-05-23 Arnold D. Robbins
* awk.1: Remove standalone 'awk' at the top of file, it messed up
the formatting. Arrange built-in variable list in alphabetical
order.
2018-05-23 Arnold D. Robbins
* main.c (version): Add my email address and a date so that
users can tell this isn't straight BWK awk.
* README.md: Minor updates.
* TODO: Updated.
2018-05-22 Arnold D. Robbins
Add POSIX-required formats %a and %A.
* run.c (format): Check for %a support in C library. If there,
allow %a and %A as valid formats.
* TODO: Updated.
* bugs-fixed/README: Updated.
* bugs-fixed/a-format.awk, bugs-fixed/a-format.bad,
bugs-fixed/a-format.ok: New files.
2018-05-22 Arnold D. Robbins
* FIXES: Restored a line from a much earlier version that
apparently got lost when the dates were reordered.
* TODO: Updated.
2018-05-22 Arnold D. Robbins
* README.md: New file.
2018-05-22 Arnold D. Robbins
* regdir/echo.c, regdir/time.c: Minor fixes to compile without
warning on current GCC / Linux.
2018-05-22 Arnold D. Robbins
* TODO: New file.
2018-05-22 Arnold D. Robbins
* makefile (gitadd, gitpush): Remove these targets. They
should not be automated and were incorrect for things that
would be done regularly.
2018-05-22 Arnold D. Robbins
Fix nawk so that [[:blank:]] only matches space and tab instead
of any whitespace character, originally made May 10, 2018.
See bugs-fixed/space.awk.
This appears to have been a thinko on Brian's part.
* b.c (charclasses): Use xisblank() function for [[:blank:]].
* bugs-fixed/README: Updated.
* bugs-fixed/space.awk, bugs-fixed/space.bad,
bugs-fixed/space.ok: New files.
2018-05-22 Arnold D. Robbins
* .gitignore: New file.
2018-05-22 Arnold D. Robbins
Fix nawk to provide reasonable exit status for system(),
a la gawk, originally made March 12, 2016. See
bugs-fixed/system-status.awk.
* run.c (bltin): For FSYSTEM, use the macros defined for wait(2)
to produce a reasonable exit value, instead of doing a floating-point
division by 256.
* awk.1: Document the return status values.
* bugs-fixed/README: Updated.
* bugs-fixed/system-status.awk, bugs-fixed/system-status.bad,
bugs-fixed/system-status.ok: New files.
2018-05-22 Arnold D. Robbins
Bug fix with respect to rebuilding a record, originally
made August 19, 2014. See bugs-fixed/ofs-rebuild.awk.
* awk.h (saveOFS, saveOFSlen): Declare new variables.
* lib.c (recbld): Use them when rebuilding the record.
* run.c (saveOFS, saveOFSlen): Define new variables.
(save_old_OFS): New function to save OFS aside.
* tran.c (syminit): Initialize saveOFS and saveOFSlen.
(setsval): If setting a field, call save_old_OFS().
* bugs-fixed/README, bugs-fixed/ofs-rebuild.awk,
bugs-fixed/ofs-rebuild.bad, bugs-fixed/ofs-rebuild.ok: New files.
2018-05-22 Arnold D. Robbins
* makefile (YACC): Use bison.
2018-05-22 Arnold D. Robbins
* ChangeLog: Created.
* regdir: Created. Based on contents of awktest.a.
* .gitattributes: Created, to preserve CR LF in regdir/t.crlf.
* awktest.a: Removed.
* regdir/T.gawk, regdir/T.latin1: Updated from awktest.tar.
* awktest.tar: Removed.
@
text
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by Al Aho, Brian Kernighan, and Peter Weinberger
(Addison-Wesley, 1988, ISBN 0-201-07981-X).
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to bwk@@cs.princeton.edu.
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yacc -d awkgram.y
conflicts: 43 shift/reduce, 85 reduce/reduce
mv y.tab.c ytab.c
mv y.tab.h ytab.h
cc -c ytab.c
cc -c b.c
cc -c main.c
cc -c parse.c
cc maketab.c -o maketab
./maketab >proctab.c
cc -c proctab.c
cc -c tran.c
cc -c lib.c
cc -c run.c
cc -c lex.c
cc ytab.o b.o main.o parse.o proctab.o tran.o lib.o run.o lex.o -lm
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NOTE: This version uses ANSI C (C 99), as you should also. We have
a132 5
The version of `malloc` that comes with some systems is sometimes
astonishly slow. If `awk` seems slow, you might try fixing that.
More generally, turning on optimization can significantly improve
`awk`'s speed, perhaps by 1/3 for highest levels.
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We don't do releases.
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Sat Jul 25 14:00:07 EDT 2021
@
1.2
log
@Update to 20121220
* Works fine under Debian GNU/Linux 7.4, NetBSD/amd64 6.99.36
* Merge pkgsrc specific changes
Changelog:
Dec 20, 2012:
fiddled makefile to get correct yacc and bison flags. pick yacc
(linux) or bison (mac) as necessary.
added __attribute__((__noreturn__)) to a couple of lines in
proto.h, to silence someone's enthusiastic checker.
fixed obscure call by value bug in split(a[1],a) reported on
9fans. the management of temporary values is just a mess; i
took a shortcut by making an extra string copy. thanks
to paul patience and arnold robbins for passing it on and for
proposed patches.
tiny fiddle in setfval to eliminate -0 results in T.expr, which
has irritated me for 20+ years.
Aug 10, 2011:
another fix to avoid core dump with delete(ARGV); again, many thanks
to ruslan ermilov.
Aug 7, 2011:
split(s, a, //) now behaves the same as split(s, a, "")
Jun 12, 2011:
/pat/, \n /pat/ {...} is now legal, though bad style to use.
added checks to new -v code that permits -vnospace; thanks to
ruslan ermilov for spotting this and providing the patch.
removed fixed limit on number of open files; thanks to aleksey
cheusov and christos zoulos.
fixed day 1 bug that resurrected deleted elements of ARGV when
used as filenames (in lib.c).
minor type fiddles to make gcc -Wall -pedantic happier (but not
totally so); turned on -fno-strict-aliasing in makefile.
May 6, 2011:
added #ifdef for isblank.
now allows -ffoo as well as -f foo arguments.
(thanks, ruslan)
May 1, 2011:
after advice from todd miller, kevin lo, ruslan ermilov,
and arnold robbins, changed srand() to return the previous
seed (which is 1 on the first call of srand). the seed is
an Awkfloat internally though converted to unsigned int to
pass to the library srand(). thanks, everyone.
fixed a subtle (and i hope low-probability) overflow error
in fldbld, by adding space for one extra \0. thanks to
robert bassett for spotting this one and providing a fix.
removed the files related to compilation on windows. i no
longer have anything like a current windows environment, so
i can't test any of it.
May 23, 2010:
fixed long-standing overflow bug in run.c; many thanks to
nelson beebe for spotting it and providing the fix.
fixed bug that didn't parse -vd=1 properly; thanks to santiago
vila for spotting it.
Feb 8, 2010:
i give up. replaced isblank with isspace in b.c; there are
no consistent header files.
Nov 26, 2009:
fixed a long-standing issue with when FS takes effect. a
change to FS is now noticed immediately for subsequent splits.
changed the name getline() to awkgetline() to avoid yet another
name conflict somewhere.
Feb 11, 2009:
temporarily for now defined HAS_ISBLANK, since that seems to
be the best way through the thicket. isblank arrived in C99,
but seems to be arriving at different systems at different
times.
Oct 8, 2008:
fixed typo in b.c that set tmpvec wrongly. no one had ever
run into the problem, apparently. thanks to alistair crooks.
Oct 23, 2007:
minor fix in lib.c: increase inputFS to 100, change malloc
for fields to n+1.
fixed memory fault caused by out of order test in setsval.
thanks to david o'brien, freebsd, for both fixes.
May 1, 2007:
fiddle in makefile to fix for BSD make; thanks to igor sobrado.
Mar 31, 2007:
fixed some null pointer refs calling adjbuf.
Feb 21, 2007:
fixed a bug in matching the null RE in sub and gsub. thanks to al aho
who actually did the fix (in b.c), and to wolfgang seeberg for finding
it and providing a very compact test case.
fixed quotation in b.c; thanks to Hal Pratt and the Princeton Dante
Project.
removed some no-effect asserts in run.c.
fiddled maketab.c to not complain about bison-generated values.
removed the obsolete -V argument; fixed --version to print the
version and exit.
fixed wording and an outright error in the usage message; thanks to igor
sobrado and jason mcintyre.
fixed a bug in -d that caused core dump if no program followed.
Jan 1, 2007:
dropped mac.code from makefile; there are few non-MacOSX
mac's these days.
Jan 17, 2006:
system() not flagged as unsafe in the unadvertised -safe option.
found it while enhancing tests before shipping the ;login: article.
practice what you preach.
removed the 9-years-obsolete -mr and -mf flags.
added -version and --version options.
core dump on linux with BEGIN {nextfile}, now fixed.
removed some #ifdef's in run.c and lex.c that appear to no
longer be necessary.
@
text
@d1 1
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$NetBSD: README,v 1.1 2006/07/14 14:23:06 jlam Exp $
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/****************************************************************
Copyright (C) Lucent Technologies 1997
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****************************************************************/
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This is the version of awk described in "The AWK Programming Language",
by Al Aho, Brian Kernighan, and Peter Weinberger
(Addison-Wesley, 1988, ISBN 0-201-07981-X).
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in FIXES. If you distribute this code further, please please please
distribute FIXES with it. If you find errors, please report them
to bwk@@cs.princeton.edu. Thanks.
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conflicts: 43 shift/reduce, 85 reduce/reduce
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This produces an executable a.out; you will eventually want to
move this to some place like /usr/bin/awk.
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If your system does not have yacc or bison (the GNU
equivalent), you must compile the pieces manually. We have
included yacc output in ytab.c and ytab.h, and backup copies in
case you overwrite them. We have also included a copy of
proctab.c so you do not need to run maketab.
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NOTE: This version uses ANSI C, as you should also. We have
compiled this without any changes using gcc -Wall and/or local C
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This also compiles with Visual C++ on all flavors of Windows,
*if* you provide versions of popen and pclose. The file
missing95.c contains versions that can be used to get started
with, though the underlying support has mysterious properties,
the symptom of which can be truncated pipe output. Beware. The
file makefile.win gives hints on how to proceed; if you run
vcvars32.bat, it will set up necessary paths and parameters so
you can subsequently run nmake -f makefile.win. Beware also that
when running on Windows under command.com, various quoting
conventions are different from Unix systems: single quotes won't
work around arguments, and various characters like % are
interpreted within double quotes.
This compiles without change on Macintosh OS X using gcc and
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This is also said to compile on Macintosh OS 9 systems, using the
file "buildmac" provided by Dan Allen (danallen@@microsoft.com),
to whom many thanks.
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The version of malloc that comes with some systems is sometimes
astonishly slow. If awk seems slow, you might try fixing that.
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awk's speed, perhaps by 1/3 for highest levels.
@
1.1
log
@Prepare nawk for use as a bootstrap tool by including the sources
directly in pkgsrc/lang/nawk/files and adjusting the package Makefile
accordingly. The README.pkgsrc file includes notes on how the source
files were (minimally) adjusted.
@
text
@d1 1
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$NetBSD$
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to bwk@@bell-labs.com. Thanks.
@