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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.
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Grab distfile from ${MASTER_SITE_LOCAL} where it's in a
${PKGNAME}-specific directory since the distfile has no version
number.
Use the .shar instead of .tar.gz distfile to remove the need
for dependencies to build this package.
Changes from nawk-20040207 include:
Apr 24, 2005:
modified lib.c so that values of $0 et al are preserved in the END
block, apparently as required by posix. thanks to havard eidnes
for the report and code.
Jan 14, 2005:
fixed infinite loop in parsing, originally found by brian tsang.
thanks to arnold robbins for a suggestion that started me
rethinking it.
Dec 31, 2004:
prevent overflow of -f array in main, head off potential error in
call of SYNTAX(), test malloc return in lib.c, all with thanks to
todd miller.
Dec 22, 2004:
cranked up size of NCHARS; coverity thinks it can be overrun with
smaller size, and i think that's right. added some assertions to b.c
to catch places where it might overrun. the RE code is still fragile.
Dec 5, 2004:
fixed a couple of overflow problems with ridiculous field numbers:
e.g., print $(2^32-1). thanks to ruslan ermilov, giorgos keramidas
and david o'brien at freebsd.org for patches. this really should
be re-done from scratch.
Nov 21, 2004:
fixed another 25-year-old RE bug, in split. it's another failure
to (re-)initialize. thanks to steve fisher for spotting this and
providing a good test case.
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Fixed a bug in regular expressions that dates (so help me) from 1977;
it's been there from the beginning. an anchored longest match that
was longer than the number of states triggered a failure to initialize
the machine properly. many thanks to moinak ghosh for not only finding
this one but for providing a fix, in some of the most mysterious
code known to man.
fixed a storage leak in call() that appears to have been there since
1983 or so -- a function without an explicit return that assigns a
string to a parameter leaked a Cell. thanks to moinak ghosh for
spotting this very subtle one.
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20030321 version:
Jul 29, 2003:
fixed (i think) the long-standing botch that included the beginning of
line state ^ for RE's in the set of valid characters; this led to a
variety of odd problems, including failure to properly match certain
regular expressions in non-US locales. thanks to ruslan for keeping
at this one.
Jul 28, 2003:
n-th try at getting internationalization right, with thanks to volker
kiefel, arnold robbins and ruslan ermilov for advice, though they
should not be blamed for the outcome. according to posix, "." is the
radix character in programs and command line arguments regardless of
the locale; otherwise, the locale should prevail for input and output
of numbers.
i have rescinded the attempt to use strcoll in expanding shorthands in
regular expressions (cclenter).
Jul 4, 2003:
fixed bug that permitted non-terminated RE, as in "awk /x".
Jun 1, 2003:
subtle change to split: if source is empty, number of elems
is always 0 and the array is not set.
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Mar 14, 2003:
the internationalization changes, somewhat modified, are now
reinstated. in theory awk will now do character comparisons
and case conversions in national language, but "." will always
be the decimal point separator on input and output regardless
of national language. isblank(){} has an #ifndef.
this no longer compiles on windows: LC_MESSAGES isn't defined
in vc6++.
fixed subtle behavior in field and record splitting: if FS is
a single character and RS is not empty, \n is NOT a separator.
this tortuous reading is found in the awk book; behavior now
matches gawk and mawk.
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Changes since previous version:
For the moment, the internationalization changes of nov 29 are
rolled back -- programs like x = 1.2 don't work in some locales,
because the parser is expecting x = 1,2. Until I understand this
better, this will have to wait.
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2. Update to 20021129.
Changes since 20020628 (from FIXES file):
modified b.c (with tiny changes in main and run) to support
locales, using strcoll and iswhatever tests for posix character
classes. thanks to ruslan ermilov (ru@freebsd.org) for code.
the function isblank doesn't seem to have propagated to any
header file near me, so it's there explicitly. not properly
tested on non-ascii character sets by me.
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so update this to version nawk-20020628.
Changes: (note credit to jdolecek :)
Jun 28, 2002:
modified run/format() and tran/getsval() to do a slightly better
job on using OFMT for output from print and CONVFMT for other
number->string conversions, as promised by posix and done by
gawk and mawk. there are still places where it doesn't work
right if CONVFMT is changed; by then the STR attribute of the
variable has been irrevocably set. thanks to arnold robbins for
code and examples.
fixed subtle bug in format that could get core dump. thanks to
Jaromir Dolecek <jdolecek@NetBSD.org> for finding and fixing.
minor cleanup in run.c / format() at the same time.
added some tests for null pointers to debugging printf's, which
were never intended for external consumption. thanks to dave
kerns (dkerns@lucent.com) for pointing this out.
GNU compatibility: an empty regexp matches anything (thanks to
dag-erling smorgrav, des@ofug.org). subject to reversion if
this does more harm than good.
pervasive small changes to make things more const-correct, as
reported by gcc's -Wwrite-strings. as it says in the gcc manual,
may be more nuisance than useful. provoked by a suggestion
and code from arnaud desitter, arnaud@nimbus.geog.ox.ac.uk
minor documentation changes to note that this now compiles out
of the box on Mac OS X.
Feb 10, 2002:
changed types in posix chars structure to quiet solaris cc.
Jan 1, 2002:
fflush() or fflush("") flushes all files and pipes.
length(arrayname) returns number of elements; thanks to
arnold robbins for suggestion.
added a makefile.win to make it easier to build on windows.
based on dan allen's buildwin.bat.
Nov 16, 2001:
added support for posix character class names like [:digit:],
which are not exactly shorter than [0-9] and perhaps no more
portable. thanks to dag-erling smorgrav for code.
Feb 16, 2001:
removed -m option; no longer needed, and it was actually
broken (noted thanks to volker kiefel).
Feb 10, 2001:
fixed an appalling bug in gettok: any sequence of digits, +,-, E, e,
and period was accepted as a valid number if it started with a period.
this would never have happened with the lex version.
other 1-character botches, now fixed, include a bare $ and a
bare " at the end of the input.
Feb 7, 2001:
more (const char *) casts in b.c and tran.c to silence warnings.
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+ move the patch digest/checksum values from files/patch-sum to distinfo
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