diff options
Diffstat (limited to 'usr.bin/awk/FIXES')
| -rw-r--r-- | usr.bin/awk/FIXES | 71 |
1 files changed, 53 insertions, 18 deletions
diff --git a/usr.bin/awk/FIXES b/usr.bin/awk/FIXES index 901eb42f74a..109eda9c71b 100644 --- a/usr.bin/awk/FIXES +++ b/usr.bin/awk/FIXES @@ -1,4 +1,4 @@ -/* $OpenBSD: FIXES,v 1.24 2020/06/10 21:02:19 millert Exp $ */ +/* $OpenBSD: FIXES,v 1.25 2020/06/10 21:02:33 millert Exp $ */ /**************************************************************** Copyright (C) Lucent Technologies 1997 All Rights Reserved @@ -26,6 +26,41 @@ THIS SOFTWARE. This file lists all bug fixes, changes, etc., made since the AWK book was sent to the printers in August, 1987. +September 10, 2019: + Fixes for various array / memory overruns found via gcc's + -fsanitize=unknown. Thanks to Alexander Richardson (Github + user arichardson). Merges PRs 47 and 48. + +July 28, 2019: + Import grammar optimization from NetBSD: Two string constants + concatenated together get turned into a single string. + +July 26, 2019: + Support POSIX-specified C-style escape sequences "\a" (alarm) + and "\v" (vertical tab) in command line arguments and regular + expressions, further to the support for them in strings added on + Apr 9, 1989. These now no longer match as literal "a" and "v" + characters (as they don't on other awk implementations). + Thanks to Martijn Dekker. + +July 17, 2019: + Pull in a number of code cleanups and minor fixes from + Warner Losh's bsd-ota branch. The only user visible change + is the use of random(3) as the random number generator. + Thanks to Warner Losh for collecting all these fixes in + one easy place to get them from. + +July 16, 2019: + Fix field splitting to use FS value as of the time a record + was read or assigned to. Thanks to GitHub user Cody Mello (melloc) + for the fix. (Merged from his branch, via PR #42.) Updated + testdir/T.split per said PR as well. + +June 24, 2019: + Extract awktest.tar into testdir directory. Add some very + simple mechanics to the makefile for running the tests and + for cleaning up. No changes to awk itself. + June 17, 2019: Disallow deleting SYMTAB and its elements, which creates use-after-free bugs. Thanks to GitHub user Cody Mello (melloc) @@ -171,10 +206,10 @@ 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. + ruslan ermilov for spotting this and providing the patch. removed fixed limit on number of open files; thanks to aleksey - cheusov and christos zoulos. + cheusov and christos zoulos. fixed day 1 bug that resurrected deleted elements of ARGV when used as filenames (in lib.c). @@ -192,10 +227,10 @@ May 1, 2011: 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. + 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 + 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 @@ -232,7 +267,7 @@ Oct 8, 2008: Oct 23, 2007: minor fix in lib.c: increase inputFS to 100, change malloc - for fields to n+1. + for fields to n+1. fixed memory fault caused by out of order test in setsval. @@ -279,7 +314,7 @@ Jan 17, 2006: core dump on linux with BEGIN {nextfile}, now fixed. - removed some #ifdef's in run.c and lex.c that appear to no + removed some #ifdef's in run.c and lex.c that appear to no longer be necessary. Apr 24, 2005: @@ -293,8 +328,8 @@ Jan 14, 2005: 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 + 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: @@ -322,8 +357,8 @@ Nov 22, 2003: 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 + 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. Jul 31, 2003: @@ -345,7 +380,7 @@ Jul 28, 2003: radix character in programs and command line arguments regardless of the locale; otherwise, the locale should prevail for input and output of numbers. so it's intended to work that way. - + i have rescinded the attempt to use strcoll in expanding shorthands in regular expressions (cclenter). its properties are much too surprising; for example [a-c] matches aAbBc in locale en_US but abBcC @@ -409,7 +444,7 @@ Nov 29, 2002: 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 + 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 @@ -441,7 +476,7 @@ Feb 10, 2002: Jan 1, 2002: fflush() or fflush("") flushes all files and pipes. - length(arrayname) returns number of elements; thanks to + length(arrayname) returns number of elements; thanks to arnold robbins for suggestion. added a makefile.win to make it easier to build on windows. @@ -491,7 +526,7 @@ July 5, 2000: May 25, 2000: yet another attempt at making 8-bit input work, with another - band-aid in b.c (member()), and some (uschar) casts to head + band-aid in b.c (member()), and some (uschar) casts to head off potential errors in subscripts (like isdigit). also changed HAT to NCHARS-2. thanks again to santiago vila. @@ -538,7 +573,7 @@ Apr 21, 1999: the test case.) Apr 16, 1999: - with code kindly provided by Bruce Lilly, awk now parses + with code kindly provided by Bruce Lilly, awk now parses /=/ and similar constructs more sensibly in more places. Bruce also provided some helpful test cases. @@ -595,7 +630,7 @@ Jan 13, 1999: Oct 19, 1998: fixed a couple of bugs in getrec: could fail to update $0 - after a getline var; because inputFS wasn't initialized, + after a getline var; because inputFS wasn't initialized, could split $0 on every character, a misleading diversion. fixed caching bug in makedfa: LRU was actually removing @@ -743,7 +778,7 @@ May 2, 1996: input file. (thanks to arnold robbins for inspiration and code). small fixes to regexpr code: can now handle []], [[], and - variants; [] is now a syntax error, rather than matching + variants; [] is now a syntax error, rather than matching everything; [z-a] is now empty, not z. far from complete or correct, however. (thanks to jeffrey friedl for pointing out some awful behaviors.) |