1343 lines
40 KiB
Plaintext
1343 lines
40 KiB
Plaintext
Changes from 2.15.2 to 2.15.3
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-----------------------------
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Increased HASHSIZE to a decent number, 127 was way too small.
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FILENAME is now the null string in a BEGIN rule.
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Argument processing fixed for invalid options and missing arguments.
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This version will build on VMS. This included a fix to close all files
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and pipes opened with redirections before closing stdout and stderr.
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More getpgrp() defines.
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Changes for BSD44: <sys/param.h> in io.c and Makefile.bsd44.
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All directories in the distribution are now writeable.
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Separated LDFLAGS and CFLAGS in Makefile. CFLAGS can now be overridden by
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user.
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Make dist now builds compressed archives ending in .gz and runs doschk.
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Amiga port.
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New getopt.c fixes Alpha OSF/1 problem.
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Make clean now removes possible test output.
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Improved algorithm for multiple adjacent string concatenations leads to
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performance improvements.
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Fix nasty bug whereby command-line assignments, both with -v and at run time,
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could create variables with syntactically illegal names.
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Fix obscure bug in printf with %0 flag and filling.
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Add a lint check for substr if provided length exceeds remaining characters
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in string.
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Update atari support.
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PC support enhanced to include support for both DOS and OS/2. (Lots more
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#ifdefs. Sigh.)
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Config files for Hitachi Unix and OSF/1, courtesy of Yoko Morishita
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(morisita@sra.co.jp)
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Changes from 2.15.1 to 2.15.2
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-----------------------------
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Additions to the FUTURES file.
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Document undefined order of output when using both standard output
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and /dev/stdout or any of the /dev output files that gawk emulates in
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the absence of OS support.
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Clean up the distribution generation in Makefile.in: the info files are
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now included, the distributed files are marked read-only and patched
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distributions are now unpacked in a directory named with the patch level.
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Changes from 2.15 to 2.15.1
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---------------------------
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Close stdout and stderr before all redirections on program exit. This allows
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detection of write errors and also fixes the messages test on Solaris 2.x.
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Removed YYMAXDEPTH define in awk.y which was limiting the parser stack depth.
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Changes to config/bsd44, Makefile.bsd44 and configure to bring it into line
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with the BSD4.4 release.
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Changed Makefile to use prefix, exec_prefix, bindir etc.
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make install now installs info files.
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make install now sets permissions on installed files.
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Make targets added: uninstall, distclean, mostlyclean and realclean.
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Added config.h to cleaner and clobber make targets.
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Changes to config/{hpux8x,sysv3,sysv4,ultrix41} to deal with alloca().
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Change to getopt.h for portability.
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Added more special cases to the getpgrp() call.
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Added README.ibmrt-aos and config/ibmrt-aos.
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Changes from 2.14 to 2.15
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---------------------------
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Command-line source can now be mixed with library functions.
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ARGIND variable tracks index in ARGV of FILENAME.
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GNU style long options in addition to short options.
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Plan 9 style special files interpreted by gawk:
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/dev/pid
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/dev/ppid
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/dev/pgrpid
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/dev/user
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$1 = getuid
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$2 = geteuid
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$3 = getgid
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$4 = getegid
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$5 ... $NF = getgroups if supported
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ERRNO variable contains error string if getline or close fails.
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Very old options -a and -e have gone away.
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Inftest has been removed from the default target in test/Makefile -- the
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results were too machine specific and resulted in too many false alarms.
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A README.amiga has been added.
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The "too many arguments supplied for format string" warning message is only
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in effect under the lint option.
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Code improvements in dfa.c.
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Fixed all reported bugs:
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Writes are checked for failure (such as full filesystem).
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Stopped (at least some) runaway error messages.
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gsub(/^/, "x") does the right thing for $0 of 0, 1, or more length.
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close() on a command being piped to a getline now works properly.
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The input record will no longer be freed upon an explicit close()
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of the input file.
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A NUL character in FS now works.
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In a substitute, \\& now means a literal backslash followed by what
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was matched.
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Integer overflow of substring length in substr() is caught.
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An input record without a newline termination is handled properly.
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In io.c, check is against only EMFILE so that system file table
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is not filled.
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Renamed all files with names longer than 14 characters.
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Escaped characters in regular expressions were being lost when
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IGNORECASE was used.
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Long source lines were not being handled properly.
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Sourcefiles that ended in a tab but no newline were bombing.
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Patterns that could match zero characters in split() were not working
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properly.
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The parsedebug option was not working.
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The grammar was being a bit too lenient, allowing some very dubious
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programs to pass.
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Compilation with DEBUG defined now works.
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A variable read in with getline was not being treated as a potential
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number.
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Array subscripts were not always of string type.
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Changes from 2.13.2 to 2.14
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---------------------------
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Updated manual!
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Added "next file" to skip efficiently to the next input file.
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Fixed potential of overflowing buffer in do_sprintf().
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Plugged small memory leak in sub_common().
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EOF on a redirect is now "sticky" -- it can only be cleared by close()ing
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the pipe or file.
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Now works if used via a #! /bin/gawk line at the top of an executable file
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when that line ends with whitespace.
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Added some checks to the grammar to catch redefinition of builtin functions.
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This could eventually be the basis for an extension to allow redefining
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functions, but in the mean time it's a good error catching facility.
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Negative integer exponents now work.
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Modified do_system() to make sure it had a non-null string to be passed
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to system(3). Thus, system("") will flush any pending output but not go
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through the overhead of forking an un-needed shell.
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A fix to floating point comparisons so that NaNs compare right on IEEE systems.
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Added code to make sure we're not opening directories for reading and such.
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Added code to do better diagnoses of weird or null file names.
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Allow continue outside of a loop, unless in strict posix mode. Lint option
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will issue warning.
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New missing/strftime.c. There has been one chage that affects gawk. Posix
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now defines a %V conversion so the vms conversion has been changed to %v.
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If this version is used with gawk -Wlint and they use %V in a call to
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strftime, they'll get a warning.
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Error messages now conform to GNU standard (I hope).
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Changed comparisons to conform to the description found in the file POSIX.
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This is inconsistent with the current POSIX draft, but that is broken.
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Hopefully the final POSIX standard will conform to this version.
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(Alas, this will have to wait for 1003.2b, which will be a revision to
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the 1003.2 standard. That standard has been frozen with the broken
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comparison rules.)
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The length of a string was a short and now is a size_t.
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Updated VMS help.
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Added quite a few new tests to the test suite and deleted many due to lack of
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written releases. Test output is only removed if it is identical to the
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"good" output.
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Fixed a couple of bugs for reference to $0 when $0 is "" -- particularly in
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a BEGIN block.
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Fixed premature freeing in construct "$0 = $0".
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Removed the call to wait_any() in gawk_popen(), since on at least some systems,
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if gawk's input was from a pipe, the predecssor process in the pipe was a
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child of gawk and this caused a deadlock.
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Regexp can (once again) match a newline, if given explicitly.
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nextopen() makes sure file name is null terminated.
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Fixed VMS pipe simulation. Improved VMS I/O performance.
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Catch . used in variable names.
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Fixed bug in getline without redirect from a file -- it was quitting after the
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first EOF, rather than trying the next file.
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Fixed bug in treatment of backslash at the end of a string -- it was bombing
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rather than doing something sensible. It is not clear what this should mean,
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but for now I issue a warning and take it as a literal backslash.
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Moved setting of regexp syntax to before the option parsing in main(), to
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handle things like -v FS='[.,;]'
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Fixed bug when NF is set by user -- fields_arr must be expanded if necessary
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and "new" fields must be initialized.
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Fixed several bugs in [g]sub() for no match found or the match is 0-length.
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Fixed bug where in gsub() a pattern anchorred at the beginning would still
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substitute throughout the string.
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make test does not assume the . is in PATH.
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Fixed bug when a field beyond the end of the record was requested after
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$0 was altered (directly or indirectly).
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Fixed bug for assignment to field beyond end of record -- the assigned value
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was not found on subsequent reference to that field.
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Fixed bug for FS a regexp and it matches at the end of a record.
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Fixed memory leak for an array local to a function.
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Fixed hanging of pipe redirection to getline
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Fixed coredump on access to $0 inside BEGIN block.
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Fixed treatment of RS = "". It now parses the fields correctly and strips
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leading whitspace from a record if FS is a space.
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Fixed faking of /dev/stdin.
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Fixed problem with x += x
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Use of scalar as array and vice versa is now detected.
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IGNORECASE now obeyed for FS (even if FS is a single alphabetic character).
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Switch to GPL version 2.
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Renamed awk.tab.c to awktab.c for MSDOS and VMS tar programs.
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Renamed this file (CHANGES) to NEWS.
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Use fmod() instead of modf() and provide FMOD_MISSING #define to undo
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this change.
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Correct the volatile declarations in eval.c.
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Avoid errant closing of the file descriptors for stdin, stdout and stderr.
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Be more flexible about where semi-colons can occur in programs.
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Check for write errors on all output, not just on close().
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Eliminate the need for missing/{strtol.c,vprintf.c}.
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Use GNU getopt and eliminate missing/getopt.c.
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More "lint" checking.
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Changes from 2.13.1 to 2.13.2
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-----------------------------
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Toward conformity with GNU standards, configure is a link to mkconf, the latter
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to disappear in the next major release.
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Update to config/bsd43.
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Added config/apollo, config/msc60, config/cray2-50, config/interactive2.2
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sgi33.cc added for compilation using cc ratther than gcc.
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Ultrix41 now propagates to config.h properly -- as part of a general
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mechanism in configure for kludges -- #define anything from a config file
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just gets tacked onto the end of config.h -- to be used sparingly.
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Got rid of an unnecessary and troublesome declaration of vprintf().
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Small improvement in locality of error messages.
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Try to diagnose use of array as scalar and vice versa -- to be improved in
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the future.
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Fix for last bug fix for Cray division code--sigh.
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More changes to test suite to explicitly use sh. Also get rid of
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a few generated files.
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Fixed off-by-one bug in string concatenation code.
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Fix for use of array that is passed in from a previous function parameter.
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Addition to test suite for above.
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A number of changes associated with changing NF and access to fields
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beyond the end of the current record.
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Change to missing/memcmp.c to avoid seg. fault on zero length input.
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Updates to test suite (including some inadvertently left out of the last patch)
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to invoke sh explicitly (rather than rely on #!/bin/sh) and remove some
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junk files. test/chem/good updated to correspond to bug fixes.
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Changes from 2.13.0 to 2.13.1
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-----------------------------
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More configs and PORTS.
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Fixed bug wherein a simple division produced an erroneous FPE, caused by
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the Cray division workaround -- that code is now #ifdef'd only for
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Cray *and* fixed.
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Fixed bug in modulus implementation -- it was very close to the above
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code, so I noticed it.
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Fixed portability problem with limits.h in missing.c
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Fixed portability problem with tzname and daylight -- define TZNAME_MISSING
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if strftime() is missing and tzname is also.
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Better support for Latin-1 character set.
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Fixed portability problem in test Makefile.
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Updated PROBLEMS file.
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=============================== gawk-2.13 released =========================
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Changes from 2.12.42 to 2.12.43
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-------------------------------
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Typo in awk.y
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Fixed up strftime.3 and added doc. for %V.
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Changes from 2.12.41 to 2.12.42
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-------------------------------
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Fixed bug in devopen() -- if you had write permission in /dev,
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it would just create /dev/stdout etc.!!
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Final (?) VMS update.
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Make NeXT use GFMT_WORKAROUND
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Fixed bug in sub_common() for substitute on zero-length match. Improved the
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code a bit while I was at it.
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Fixed grammar so that $i++ parses as ($i)++
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Put support/* back in the distribution (didn't I already do this?!)
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Changes from 2.12.40 to 2.12.41
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-------------------------------
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VMS workaround for broken %g format.
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Changes from 2.12.39 to 2.12.40
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-------------------------------
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Minor man page update.
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Fixed latent bug in redirect().
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Changes from 2.12.38 to 2.12.39
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-------------------------------
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Updates to test suite -- remove dependence on changing gawk.1 man page.
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Changes from 2.12.37 to 2.12.38
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-------------------------------
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Fixed bug in use of *= without whitespace following.
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VMS update.
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Updates to man page.
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Option handling updates in main.c
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test/manyfiles redone and added to bigtest.
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Fixed latent (on Sun) bug in handling of save_fs.
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Changes from 2.12.36 to 2.12.37
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-------------------------------
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Update REL in Makefile-dist. Incorporate test suite into main distribution.
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Minor fix in regtest.
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Changes from 2.12.35 to 2.12.36
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-------------------------------
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Release takes on dual personality -- 2.12.36 and 2.13.0 -- any further
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patches before public release won't count for 2.13, although they will for
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2.12 -- be careful to avoid confusion! patchlevel.h will be the last thing
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to change.
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Cray updates to deal with arithmetic problems.
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Minor test suite updates.
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Fixed latent bug in parser (freeing memory).
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Changes from 2.12.34 to 2.12.35
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-------------------------------
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VMS updates.
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Flush stdout at top of err() and stderr at bottom.
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Fixed bug in eval_condition() -- it wasn't testing for MAYBE_NUM and
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doing the force_number().
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Included the missing manyfiles.awk and a new test to catch the above bug which
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I am amazed wasn't already caught by the test suite -- it's pretty basic.
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Changes from 2.12.33 to 2.12.34
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-------------------------------
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Atari updates -- including bug fix.
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More VMS updates -- also nuke vms/version.com.
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Fixed bug in handling of large numbers of redirections -- it was probably never
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tested before (blush!).
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Minor rearrangement of code in r_force_number().
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Made chem and regtest tests a bit more portable (Ultrix again).
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Added another test -- manyfiles -- not invoked under any other test -- very Unix
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specific.
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Rough beginning of LIMITATIONS file -- need my AWK book to complete it.
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Changes from 2.12.32 to 2.12.33
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-------------------------------
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Expunge debug.? from various files.
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Remove vestiges of Floor and Ceil kludge.
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Special case integer division -- mainly for Cray, but maybe someone else
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will benefit.
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Workaround for iop_close closing an output pipe descriptor on Cray --
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not conditional since I think it may fix a bug on SGI as well and I don't
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think it can hurt elsewhere.
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Fixed memory leak in assoc_lookup().
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Small cleanup in test suite.
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Changes from 2.12.31 to 2.12.32
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-------------------------------
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Nuked debug.c and debugging flag -- there are better ways.
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Nuked version.sh and version.c in subdirectories.
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Fixed bug in handling of IGNORECASE.
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Fixed bug when FIELDWIDTHS was set via -v option.
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Fixed (obscure) bug when $0 is assigned a numerical value.
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Fixed so that escape sequences in command-line assignments work (as it already
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said in the comment).
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Added a few cases to test suite.
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Moved support/* back into distribution.
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VMS updates.
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Changes from 2.12.30 to 2.12.31
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-------------------------------
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Cosmetic manual page changes.
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Updated sunos3 config.
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Small changes in test suite including renaming files over 14 chars. in length.
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Changes from 2.12.29 to 2.12.30
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-------------------------------
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Bug fix for many string concatenations in a row.
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Changes from 2.12.28 to 2.12.29
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-------------------------------
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Minor cleanup in awk.y
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Minor VMS update.
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Minor atari update.
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Changes from 2.12.27 to 2.12.28
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-------------------------------
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Got rid of the debugging goop in eval.c -- there are better ways.
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Sequent port.
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VMS changes left out of the last patch -- sigh! config/vms.h renamed
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to config/vms-conf.h.
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Fixed missing/tzset.c
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Removed use of gcvt() and GCVT_MISSING -- turns out it was no faster than
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sprintf("%g") and caused all sorts of portability headaches.
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Tuned get_field() -- it was unnecessarily parsing the whole record on reference
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to $0.
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Tuned interpret() a bit in the rule_node loop.
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In r_force_number(), worked around bug in Uglix strtod() and got rid of
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ugly do{}while(0) at Michal's urging.
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Replaced do_deref() and deref with unref(node) -- much cleaner and a bit faster.
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Got rid of assign_number() -- contrary to comment, it was no faster than
|
|
just making a new node and freeing the old one.
|
|
|
|
Replaced make_number() and tmp_number() with macros that call mk_number().
|
|
|
|
Changed freenode() and newnode() into macros -- the latter is getnode()
|
|
which calls more_nodes() as necessary.
|
|
|
|
Changes from 2.12.26 to 2.12.27
|
|
-------------------------------
|
|
|
|
Completion of Cray 2 port (includes a kludge for floor() and ceil()
|
|
that may go or be changed -- I think that it may just be working around
|
|
a bug in chem that is being tweaked on the Cray).
|
|
|
|
More VMS updates.
|
|
|
|
Moved kludge over yacc's insertion of malloc and realloc declarations
|
|
from protos.h to the Makefile.
|
|
|
|
Added a lisp interpreter in awk to the test suite. (Invoked under
|
|
bigtest.)
|
|
|
|
Cleanup in r_force_number() -- I had never gotten around to a thorough
|
|
profile of the cache code and it turns out to be not worth it.
|
|
|
|
Performance boost -- do lazy force_number()'ing for fields etc. i.e.
|
|
flag them (MAYBE_NUM) and call force_number only as necessary.
|
|
|
|
Changes from 2.12.25 to 2.12.26
|
|
-------------------------------
|
|
|
|
Rework of regexp stuff so that dynamic regexps have reasonable
|
|
performance -- string used for compiled regexp is stored and
|
|
compared to new string -- if same, no recompilation is necessary.
|
|
Also, very dynamic regexps cause dfa-based searching to be turned
|
|
off.
|
|
|
|
Code in dev_open() is back to returning fileno(std*) rather than
|
|
dup()ing it. This will be documented. Sorry for the run-around
|
|
on this.
|
|
|
|
Minor atari updates.
|
|
|
|
Minor vms update.
|
|
|
|
Missing file from MSDOS port.
|
|
|
|
Added warning (under lint) if third arg. of [g]sub is a constant and
|
|
handle it properly in the code (i.e. return how many matches).
|
|
|
|
Changes from 2.12.24 to 2.12.25
|
|
-------------------------------
|
|
|
|
MSDOS port.
|
|
|
|
Non-consequential changes to regexp variables in preparation for
|
|
a more serious change to fix a serious performance problem.
|
|
|
|
Changes from 2.12.23 to 2.12.24
|
|
-------------------------------
|
|
|
|
Fixed bug in output flushing introduced a few patches back. This caused
|
|
serious performance losses.
|
|
|
|
Changes from 2.12.22 to 2.12.23
|
|
-------------------------------
|
|
|
|
Accidently left config/cray2-60 out of last patch.
|
|
|
|
Added some missing dependencies to Makefile.
|
|
|
|
Cleaned up mkconf a bit; made yacc the default parser (no alloca needed,
|
|
right?); added rs6000 hook for signed characters.
|
|
|
|
Made regex.c with NO_ALLOCA undefined work.
|
|
|
|
Fixed bug in dfa.c for systems where free(NULL) bombs.
|
|
|
|
Deleted a few cant_happen()'s that *really* can't hapen.
|
|
|
|
Changes from 2.12.21 to 2.12.22
|
|
-------------------------------
|
|
|
|
Added to config stuff the ability to choose YACC rather than bison.
|
|
|
|
Fixed CHAR_UNSIGNED in config.h-dist.
|
|
|
|
Second arg. of strtod() is char ** rather than const char **.
|
|
|
|
stackb is now initially malloc()'ed since it may be realloc()'ed.
|
|
|
|
VMS updates.
|
|
|
|
Added SIZE_T_MISSING to config stuff and a default typedef to awk.h.
|
|
(Maybe it is not needed on any current systems??)
|
|
|
|
re_compile_pattern()'s size is now size_t unconditionally.
|
|
|
|
Changes from 2.12.20 to 2.12.21
|
|
-------------------------------
|
|
|
|
Corrected missing/gcvt.c.
|
|
|
|
Got rid of use of dup2() and thus DUP_MISSING.
|
|
|
|
Updated config/sgi33.
|
|
|
|
Turned on (and fixed) in cmp_nodes() the behaviour that I *hope* will be in
|
|
POSIX 1003.2 for relational comparisons.
|
|
|
|
Small updates to test suite.
|
|
|
|
Changes from 2.12.19 to 2.12.20
|
|
-------------------------------
|
|
|
|
Sloppy, sloppy, sloppy!! I didn't even try to compile the last two
|
|
patches. This one fixes goofs in regex.c.
|
|
|
|
Changes from 2.12.18 to 2.12.19
|
|
-------------------------------
|
|
|
|
Cleanup of last patch.
|
|
|
|
Changes from 2.12.17 to 2.12.18
|
|
-------------------------------
|
|
|
|
Makefile renamed to Makefile-dist.
|
|
|
|
Added alloca() configuration to mkconf. (A bit kludgey.) Just
|
|
add a single line containing ALLOCA_PW, ALLOCA_S or ALLOCA_C
|
|
to the appropriate config file to have Makefile-dist edited
|
|
accordingly.
|
|
|
|
Reorganized output flushing to correspond with new semantics of
|
|
devopen() on "/dev/std*" etc.
|
|
|
|
Fixed rest of last goof!!
|
|
|
|
Save and restore errno in do_pathopen().
|
|
|
|
Miscellaneous atari updates.
|
|
|
|
Get rid of the trailing comma in the NODETYPE definition (Cray
|
|
compiler won't take it).
|
|
|
|
Try to make the use of `const' consistent since Cray compiler is
|
|
fussy about that. See the changes to `basename' and `myname'.
|
|
|
|
It turns out that, according to section 3.8.3 (Macro Replacement)
|
|
of the ANSI Standard: ``If there are sequences of preprocessing
|
|
tokens within the list of arguments that would otherwise act as
|
|
preprocessing directives, the behavior is undefined.'' That means
|
|
that you cannot count on the behavior of the declaration of
|
|
re_compile_pattern in awk.h, and indeed the Cray compiler chokes on it.
|
|
|
|
Replaced alloca with malloc/realloc/free in regex.c. It was much simpler
|
|
than expected. (Inside NO_ALLOCA for now -- by default no alloca.)
|
|
|
|
Added a configuration file, config/cray60, for Unicos-6.0.
|
|
|
|
Changes from 2.12.16 to 2.12.17
|
|
-------------------------------
|
|
|
|
Ooops. Goofed signal use in last patch.
|
|
|
|
Changes from 2.12.15 to 2.12.16
|
|
-------------------------------
|
|
|
|
RENAMED *_dir to just * (e.g. missing_dir).
|
|
|
|
Numerous VMS changes.
|
|
|
|
Proper inclusion of atari and vms files.
|
|
|
|
Added experimental (ifdef'd out) RELAXED_CONTINUATION and DEFAULT_FILETYPE
|
|
-- please comment on these!
|
|
|
|
Moved pathopen() to io.c (sigh).
|
|
|
|
Put local directory ahead in default AWKPATH.
|
|
|
|
Added facility in mkconf to echo comments on stdout: lines beginning
|
|
with "#echo " will have the remainder of the line echoed when mkconf is run.
|
|
Any lines starting with "#" will otherwise be treated as comments. The
|
|
intent is to be able to say:
|
|
"#echo Make sure you uncomment alloca.c in the Makefile"
|
|
or the like.
|
|
|
|
Prototype fix for V.4
|
|
|
|
Fixed version_string to not print leading @(#).
|
|
|
|
Fixed FIELDWIDTHS to work with strict (turned out to be easy).
|
|
|
|
Fixed conf for V.2.
|
|
|
|
Changed semantics of /dev/fd/n to be like on real /dev/fd.
|
|
|
|
Several configuration and updates in the makefile.
|
|
|
|
Updated manpage.
|
|
|
|
Include tzset.c and system.c from missing_dir that were accidently left out of
|
|
the last patch.
|
|
|
|
Fixed bug in cmdline variable assignment -- arg was getting freed(!) in
|
|
call to variable.
|
|
|
|
Backed out of parse-time constant folding for now, until I can figure out
|
|
how to do it right.
|
|
|
|
Fixed devopen() so that getline <"-" works.
|
|
|
|
Changes from 2.12.14 to 2.12.15
|
|
-------------------------------
|
|
|
|
Changed config/* to a condensed form that can be used with mkconf to generate
|
|
a config.h from config.h-dist -- much easier to maintain. Please chaeck
|
|
carefully against what you had before for a particular system and report
|
|
any problems. vms.h remains separate since the stuff at the bottom
|
|
didn't quite fit the mkconf model -- hopefully cleared up later.
|
|
|
|
Fixed bug in grammar -- didn't allow function definition to be separated from
|
|
other rules by a semi-colon.
|
|
|
|
VMS fix to #includes in missing.c -- should we just be including awk.h?
|
|
|
|
Updated README for texinfo.tex version.
|
|
|
|
Updating of copyright in all .[chy] files.
|
|
|
|
Added but commented out Michal's fix to strftime.
|
|
|
|
Added tzset() emulation based on Rick Adams' code. Added TZSET_MISSING to
|
|
config.h-dist.
|
|
|
|
Added strftime.3 man page for missing_dir
|
|
|
|
More posix: func, **, **= don't work in -W posix
|
|
|
|
More lint: ^, ^= not in old awk
|
|
|
|
gawk.1: removed ref to -DNO_DEV_FD, other minor updating.
|
|
|
|
Style change: pushbak becomes pushback() in yylex().
|
|
|
|
Changes from 2.12.13 to 2.12.14
|
|
-------------------------------
|
|
|
|
Better (?) organization of awk.h -- attempt to keep all system dependencies
|
|
near the top and move some of the non-general things out of the config.h
|
|
files.
|
|
|
|
Change to handling of SYSTEM_MISSING.
|
|
|
|
Small change to ultrix config.
|
|
|
|
Do "/dev/fd/*" etc. checking at runtime.
|
|
|
|
First pass at VMS port.
|
|
|
|
Improvements to error handling (when lexeme spans buffers).
|
|
|
|
Fixed backslash handling -- why didn't I notice this sooner?
|
|
|
|
Added programs from book to test suite and new target "bigtest" to Makefile.
|
|
|
|
Changes from 2.12.12 to 2.12.13
|
|
-------------------------------
|
|
|
|
Recognize OFS and ORS specially so that OFS = 9 works without efficiency hit.
|
|
Took advantage of opportunity to tune do_print*() for about 10% win on a
|
|
print with 5 args (i.e. small but significant).
|
|
|
|
Somewhat pervasive changes to reconcile CONVFMT vs. OFMT.
|
|
|
|
Better initialization of builtin vars.
|
|
|
|
Make config/* consistent wrt STRTOL_MISSING.
|
|
|
|
Small portability improvement to alloca.s
|
|
|
|
Improvements to lint code in awk.y
|
|
|
|
Replaced strtol() with a better one by Chris Torek.
|
|
|
|
Changes from 2.12.11 to 2.12.12
|
|
-------------------------------
|
|
|
|
Added PORTS file to record successful ports.
|
|
|
|
Added #define const to nothing if not STDC and added const to strtod() header.
|
|
|
|
Added * to printf capabilities and partially implemented ' ' and '+' (has an
|
|
effect for %d only, silently ignored for other formats). I'm afraid that's
|
|
as far as I want to go before I look at a complete replacement for
|
|
do_sprintf().
|
|
|
|
Added warning for /regexp/ on LHS of MATCHOP.
|
|
|
|
Changes from 2.12.10 to 2.12.11
|
|
-------------------------------
|
|
|
|
Small Makefile improvements.
|
|
|
|
Some remaining nits from the NeXT port.
|
|
|
|
Got rid of bcopy() define in awk.h -- not needed anymore (??)
|
|
|
|
Changed private in builtin.c -- it is special on Sequent.
|
|
|
|
Added subset implementation of strtol() and STRTOL_MISSING.
|
|
|
|
A little bit of cleanup in debug.c, dfa.c.
|
|
|
|
Changes from 2.12.9 to 2.12.10
|
|
------------------------------
|
|
|
|
Redid compatability checking and checking for # of args.
|
|
|
|
Removed all references to variables[] from outside awk.y, in preparation
|
|
for a more abstract interface to the symbol table.
|
|
|
|
Got rid of a remaining use of bcopy() in regex.c.
|
|
|
|
Changes from 2.12.8 to 2.12.9
|
|
-----------------------------
|
|
|
|
Portability improvements for atari, next and decstation.
|
|
|
|
Bug fix in substr() -- wasn't handling 3rd arg. of -1 properly.
|
|
|
|
Manpage updates.
|
|
|
|
Moved support from src release to doc release.
|
|
|
|
Updated FUTURES file.
|
|
|
|
Added some "lint" warnings.
|
|
|
|
Changes from 2.12.7 to 2.12.8
|
|
-----------------------------
|
|
|
|
Changed time() to systime().
|
|
|
|
Changed warning() in snode() to fatal().
|
|
|
|
strftime() now defaults second arg. to current time.
|
|
|
|
Changes from 2.12.6 to 2.12.7
|
|
-----------------------------
|
|
|
|
Fixed bug in sub_common() involving inadequate allocation of a buffer.
|
|
|
|
Added some missing files to the Makefile.
|
|
|
|
Changes from 2.12.5 to 2.12.6
|
|
-----------------------------
|
|
|
|
Fixed bug wherein non-redirected getline could call iop_close() just
|
|
prior to a call from do_input().
|
|
|
|
Fixed bug in handling of /dev/stdout and /dev/stderr.
|
|
|
|
Changes from 2.12.4 to 2.12.5
|
|
-----------------------------
|
|
|
|
Updated README and support directory.
|
|
|
|
Changes from 2.12.3 to 2.12.4
|
|
-----------------------------
|
|
|
|
Updated CHANGES and TODO (should have been done in previous 2 patches).
|
|
|
|
Changes from 2.12.2 to 2.12.3
|
|
-----------------------------
|
|
|
|
Brought regex.c and alloca.s into line with current FSF versions.
|
|
|
|
Changes from 2.12.1 to 2.12.2
|
|
-----------------------------
|
|
|
|
Portability improvements; mostly moving system prototypes out of awk.h
|
|
|
|
Introduction of strftime.
|
|
|
|
Use of CONVFMT.
|
|
|
|
Changes from 2.12 to 2.12.1
|
|
-----------------------------
|
|
|
|
Consolidated treatment of command-line assignments (thus correcting the
|
|
-v treatment).
|
|
|
|
Rationalized builtin-variable handling into a table-driven process, thus
|
|
simplifying variable() and eliminating spc_var().
|
|
|
|
Fixed bug in handling of command-line source that ended in a newline.
|
|
|
|
Simplified install() and lookup().
|
|
|
|
Did away with double-mallocing of identifiers and now free second and later
|
|
instances of a name, after the first gets installed into the symbol table.
|
|
|
|
Treat IGNORECASE specially, simplifying a lot of code, and allowing
|
|
checking against strict conformance only on setting it, rather than on each
|
|
pattern match.
|
|
|
|
Fixed regexp matching when IGNORECASE is non-zero (broken when dfa.c was
|
|
added).
|
|
|
|
Fixed bug where $0 was not being marked as valid, even after it was rebuilt.
|
|
This caused mangling of $0.
|
|
|
|
|
|
Changes from 2.11.1 to 2.12
|
|
-----------------------------
|
|
|
|
Makefile:
|
|
|
|
Portability improvements in Makefile.
|
|
Move configuration stuff into config.h
|
|
|
|
FSF files:
|
|
|
|
Synchronized alloca.[cs] and regex.[ch] with FSF.
|
|
|
|
array.c:
|
|
|
|
Rationalized hash routines into one with a different algorithm.
|
|
delete() now works if the array is a local variable.
|
|
Changed interface of assoc_next() and avoided dereferencing past the end of the
|
|
array.
|
|
|
|
awk.h:
|
|
|
|
Merged non-prototype and prototype declarations in awk.h.
|
|
Expanded tree_eval #define to short-circuit more calls of r_tree_eval().
|
|
|
|
awk.y:
|
|
|
|
Delinted some of the code in the grammar.
|
|
Fixed and improved some of the error message printing.
|
|
Changed to accomodate unlimited length source lines.
|
|
Line continuation now works as advertised.
|
|
Source lines can be arbitrarily long.
|
|
Refined grammar hacks so that /= assignment works. Regular expressions
|
|
starting with /= are recognized at the beginning of a line, after && or ||
|
|
and after ~ or !~. More contexts can be added if necessary.
|
|
Fixed IGNORECASE (multiple scans for backslash).
|
|
Condensed expression_lists in array references.
|
|
Detect and warn for correct # args in builtin functions -- call most of them
|
|
with a fixed number (i.e. fill in defaults at parse-time rather than at
|
|
run-time).
|
|
Load ENVIRON only if it is referenced (detected at parse-time).
|
|
Treat NF, FS, RS, NR, FNR specially at parse time, to improve run time.
|
|
Fold constant expressions at parse time.
|
|
Do make_regexp() on third arg. of split() at parse tiem if it is a constant.
|
|
|
|
builtin.c:
|
|
|
|
srand() returns 0 the first time called.
|
|
Replaced alloca() with malloc() in do_sprintf().
|
|
Fixed setting of RSTART and RLENGTH in do_match().
|
|
Got rid of get_{one,two,three} and allowance for variable # of args. at
|
|
run-time -- this is now done at parse-time.
|
|
Fixed latent bug in [g]sub whereby changes to $0 would never get made.
|
|
Rewrote much of sub_common() for simplicity and performance.
|
|
Added ctime() and time() builtin functions (unless -DSTRICT). ctime() returns
|
|
a time string like the C function, given the number of seconds since the epoch
|
|
and time() returns the current time in seconds.
|
|
do_sprintf() now checks for mismatch between format string and number of
|
|
arguments supplied.
|
|
|
|
dfa.c
|
|
|
|
This is borrowed (almost unmodified) from GNU grep to provide faster searches.
|
|
|
|
eval.c
|
|
|
|
Node_var, Node_var_array and Node_param_list handled from macro rather
|
|
than in r_tree_eval().
|
|
Changed cmp_nodes() to not do a force_number() -- this, combined with a
|
|
force_number() on ARGV[] and ENVIRON[] brings it into line with other awks
|
|
Greatly simplified cmp_nodes().
|
|
Separated out Node_NF, Node_FS, Node_RS, Node_NR and Node_FNR in get_lhs().
|
|
All adjacent string concatenations now done at once.
|
|
|
|
field.c
|
|
|
|
Added support for FIELDWIDTHS.
|
|
Fixed bug in get_field() whereby changes to a field were not always
|
|
properly reflected in $0.
|
|
Reordered tests in parse_field() so that reference off the end of the buffer
|
|
doesn't happen.
|
|
set_FS() now sets *parse_field i.e. routine to call depending on type of FS.
|
|
It also does make_regexp() for FS if needed. get_field() passes FS_regexp
|
|
to re_parse_field(), as does do_split().
|
|
Changes to set_field() and set_record() to avoid malloc'ing and free'ing the
|
|
field nodes repeatedly. The fields now just point into $0 unless they are
|
|
assigned to another variable or changed. force_number() on the field is
|
|
*only* done when the field is needed.
|
|
|
|
gawk.1
|
|
|
|
Fixed troff formatting problem on .TP lines.
|
|
|
|
io.c
|
|
|
|
Moved some code out into iop.c.
|
|
Output from pipes and system() calls is properly synchronized.
|
|
Status from pipe close properly returned.
|
|
Bug in getline with no redirect fixed.
|
|
|
|
iop.c
|
|
|
|
This file contains a totally revamped get_a_record and associated code.
|
|
|
|
main.c
|
|
|
|
Command line programs no longer use a temporary file.
|
|
Therefore, tmpnam() no longer required.
|
|
Deprecated -a and -e options -- they will go away in the next release,
|
|
but for now they cause a warning.
|
|
Moved -C, -V, -c options to -W ala posix.
|
|
Added -W posix option: throw out \x
|
|
Added -W lint option.
|
|
|
|
|
|
node.c
|
|
|
|
force_number() now allows pure numerics to have leading whitespace.
|
|
Added make_string facility to optimize case of adding an already malloc'd
|
|
string.
|
|
Cleaned up and simplified do_deref().
|
|
Fixed bug in handling of stref==255 in do_deref().
|
|
|
|
re.c
|
|
|
|
contains the interface to regexp code
|
|
|
|
Changes from 2.11.1 to FSF version of same
|
|
------------------------------------------
|
|
Thu Jan 4 14:19:30 1990 Jim Kingdon (kingdon at albert)
|
|
|
|
* Makefile (YACC): Add -y to bison part.
|
|
|
|
* missing.c: Add #include <stdio.h>.
|
|
|
|
Sun Dec 24 16:16:05 1989 David J. MacKenzie (djm at hobbes.ai.mit.edu)
|
|
|
|
* * Makefile: Add (commented out) default defines for Sony News.
|
|
|
|
* awk.h: Move declaration of vprintf so it will compile when
|
|
-DVPRINTF_MISSING is defined.
|
|
|
|
Mon Nov 13 18:54:08 1989 Robert J. Chassell (bob at apple-gunkies.ai.mit.edu)
|
|
|
|
* gawk.texinfo: changed @-commands that are not part of the
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standard, currently released texinfmt.el to those that are.
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Otherwise, only people with the as-yet unreleased makeinfo.c can
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format this file.
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Changes from 2.11beta to 2.11.1 (production)
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--------------------------------------------
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Went from "beta" to production status!!!
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Now flushes stdout before closing pipes or redirected files to
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synchonize output.
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MS-DOS changes added in.
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Signal handler return type parameterized in Makefile and awk.h and
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some lint removed. debug.c cleaned up.
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Fixed FS splitting to never match null strings, per book.
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Correction to the manual's description of FS.
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Some compilers break on char *foo = "string" + 4 so fixed version.sh and
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main.c.
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Changes from 2.10beta to 2.11beta
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---------------------------------
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This release fixes all reported bugs that we could reproduce. Probably
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some of the changes are not documented here.
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The next release will probably not be a beta release!
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The most important change is the addition of the -nostalgia option. :-)
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The documentation has been improved and brought up-to-date.
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There has been a lot of general cleaning up of the code that is not otherwise
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documented here. There has been a movement toward using standard-conforming
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library routines and providing them (in missing.d) for systems lacking them.
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Improved (hopefully) configuration through Makfile modifications and missing.c.
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In particular, straightened out confusion over vprintf #defines, declarations
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etc.
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Deleted RCS log comments from source, to reduce source size by about one third.
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Most of them were horribly out-of-date, anyway.
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Renamed source files to reflect (for the most part) their contents.
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More and improved error messages. Cleanup and fixes to yyerror().
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String constants are not altered in input buffer, so error messages come out
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better. Fixed usage message. Make use of ANSI C strerror() function
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(provided).
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Plugged many more memory leaks. The memory consumption is now quite
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reasonable over a wide range of programs.
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Uses volatile declaration if STDC > 0 to avoid problems due to longjmp.
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New -a and -e options to use awk or egrep style regexps, respectively,
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since POSIX says awk should use egrep regexps. Default is -a.
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Added -v option for setting variables before the first file is encountered.
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Version information now uses -V and copyleft uses -C.
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Added a patchlevel.h file and its use for -V and -C.
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Append_right() optimized for major improvement to programs with a *lot*
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of statements.
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Operator precedence has been corrected to match draft Posix.
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Tightened up grammar for builtin functions so that only length
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may be called without arguments or parentheses.
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/regex/ is now a normal expression that can appear in any expression
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context.
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Allow /= to begin a regexp. Allow ..[../..].. in a regexp.
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Allow empty compound statements ({}).
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Made return and next illegal outside a function and in BEGIN/END respectively.
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Division by zero is now illegal and causes a fatal error.
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Fixed exponentiation so that x ^ 0 and x ^= 0 both return 1.
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Fixed do_sqrt, do_log, and do_exp to do argument/return checking and
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print an error message, per the manual.
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Fixed main to catch SIGSEGV to get source and data file line numbers.
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Fixed yyerror to print the ^ at the beginning of the bad token, not the end.
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Fix to substr() builtin: it was failing if the arguments
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weren't already strings.
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Added new node value flag NUMERIC to indicate that a variable is
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purely a number as opposed to type NUM which indicates that
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the node's numeric value is valid. This is set in make_number(),
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tmp_number and r_force_number() when appropriate and used in
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cmp_nodes(). This fixed a bug in comparison of variables that had
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numeric prefixes. The new code uses strtod() and eliminates is_a_number().
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A simple strtod() is provided for systems lacking one. It does no
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overflow checking, so could be improved.
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Simplification and efficiency improvement in force_string.
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Added performance tweak in r_force_number().
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Fixed a bug with nested loops and break/continue in functions.
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Fixed inconsistency in handling of empty fields when $0 has to be rebuilt.
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Happens to simplify rebuild_record().
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Cleaned up the code associated with opening a pipe for reading. Gawk
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now has its own popen routine (gawk_popen) that allocates an IOBUF
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and keeps track of the pid of the child process. gawk_pclose
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marks the appropriate child as defunct in the right struct redirect.
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Cleaned up and fixed close_redir().
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Fixed an obscure bug to do with redirection. Intermingled ">" and ">>"
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redirects did not output in a predictable order.
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Improved handling of output bufferring: now all print[f]s redirected to a tty
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or pipe are flushed immediately and non-redirected output to a tty is flushed
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before the next input record is read.
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Fixed a bug in get_a_record() where bcopy() could have copied over
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a random pointer.
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Fixed a bug when RS="" and records separated by multiple blank lines.
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Got rid of SLOWIO code which was out-of-date anyway.
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Fix in get_field() for case where $0 is changed and then $(n) are
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changed and then $0 is used.
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Fixed infinite loop on failure to open file for reading from getline.
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Now handles redirect file open failures properly.
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Filenames such as /dev/stdin now allowed on the command line as well as
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in redirects.
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Fixed so that gawk '$1' where $1 is a zero tests false.
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Fixed parsing so that `RLENGTH -1' parses the same as `RLENGTH - 1',
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for example.
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The return from a user-defined function now defaults to the Null node.
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This fixes a core-dump-causing bug when the return value of a function
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is used and that function returns no value.
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Now catches floating point exceptions to avoid core dumps.
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Bug fix for deleting elements of an array -- under some conditions, it was
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deleting more than one element at a time.
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Fix in AWKPATH code for running off the end of the string.
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Fixed handling of precision in *printf calls. %0.2d now works properly,
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as does %c. [s]printf now recognizes %i and %X.
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Fixed a bug in printing of very large (>240) strings.
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Cleaned up erroneous behaviour for RS == "".
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Added IGNORECASE support to index().
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Simplified and fixed newnode/freenode.
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Fixed reference to $(anything) in a BEGIN block.
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Eliminated use of USG rand48().
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Bug fix in force_string for machines with 16-bit ints.
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Replaced use of mktemp() with tmpnam() and provided a partial implementation of
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the latter for systems that don't have it.
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Added a portability check for includes in io.c.
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Minor portability fix in alloc.c plus addition of xmalloc().
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Portability fix: on UMAX4.2, st_blksize is zero for a pipe, thus breaking
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iop_alloc() -- fixed.
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Workaround for compiler bug on Sun386i in do_sprintf.
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More and improved prototypes in awk.h.
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Consolidated C escape parsing code into one place.
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strict flag is now turned on only when invoked with compatability option.
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It now applies to fewer things.
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Changed cast of f._ptr in vprintf.c from (unsigned char *) to (char *).
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Hopefully this is right for the systems that use this code (I don't).
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Support for pipes under MSDOS added.
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