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ChangeLog
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2020-07-30 Arnold D. Robbins <[email protected]>
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 <[email protected]>
* 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 <[email protected]>
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 <[email protected]>
* 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 <[email protected]>
* b.c (replace_repeat): Fix a bug whereby a{0,3} could match
four a's. Thanks to Anonymous AWK fan <[email protected]>
for the report. Also, minor code formatting cleanups.
* testdir/T.int-expr: New file.
2019-12-11 Arnold D. Robbins <[email protected]>
* README: Renamed to ...
* README.md: ... this. Cleaned up some as well,
including moving to Markdown.
2019-11-08 Arnold D. Robbins <[email protected]>
* test/T.chem: Use $oldawk instead of hardwiring 'awk'.
* test/T.lilly: Remove gawk warnings from output, improves
portability.
2019-10-17 Arnold D. Robbins <[email protected]>
Pull in systime() and strftime() from the NetBSD awk.
* awk.1: Document the functions.
* run.c (bltin): Implement the functions.
* awk.h: Add defines for systime and strftime.
* lex.c: Add support for systime and strftime.
2019-10-07 Arnold D. Robbins <[email protected]>
Integrate features from different *BSD versions of awk.
Gensub support from NetBSD. Bitwise functions from OpenBSD.
* awk.h: Add defines for and, or, xor, compl, lshift and rshift.
* awkgram.y: Add support for gensub.
* maketab.c: Ditto.
* lex.c: Add support for gensub and bitwise functions.
* parse.c (node5, op5): New functions.
* proto.h (node5, op5): New declarations.
* run.c (bltin): Implement the bitwise functions.
(gensub): New function.
* awk.1: Document additional functions.
2019-10-07 Arnold D. Robbins <[email protected]>
* b.c (fnematch): Change type of pbuf from unsigned char to char.
* proto.h (fnematch): Ditto.
2019-10-06 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
* testdir: Extracted from awktest.tar and added to Git.
* awktest.tar: Removed.
2019-06-06 Arnold D. Robbins <[email protected]>
* awk.1: Fix a typo, minor edits.
2019-06-05 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
* lib.c (isclvar): Remove check for additional '=' after
first one. No longer needed.
2019-01-26 Arnold D. Robbins <[email protected]>
* main.c (version): Updated.
2019-01-25 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
* awktest.tar (testdir/T.expr): Fix test for unary plus.
2018-08-22 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
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 <[email protected]>
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 <[email protected]>
* regdir/beebe.tar: Fix longwrds.ok so that the test will pass.
The file was incorrectly sorted.
2018-06-06 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
* regdir/T.lilly: Fix a syntax error and ordering bug
in creating the 'foo' file.
2018-05-23 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
* 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 <[email protected]>
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 <[email protected]>
* 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 <[email protected]>
* README.md: New file.
2018-05-22 Arnold D. Robbins <[email protected]>
* regdir/echo.c, regdir/time.c: Minor fixes to compile without
warning on current GCC / Linux.
2018-05-22 Arnold D. Robbins <[email protected]>
* TODO: New file.
2018-05-22 Arnold D. Robbins <[email protected]>
* 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 <[email protected]>
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 <[email protected]>
* .gitignore: New file.
2018-05-22 Arnold D. Robbins <[email protected]>
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 <[email protected]>
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 <[email protected]>
* makefile (YACC): Use bison.
2018-05-22 Arnold D. Robbins <[email protected]>
* 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.