WHATSNEW revision 1.1
1 New in alpha3.1: Basically nothing, this release is just a bookkeeping 2 convenience. Stay tuned. 3 4 New in alpha3.0: Performance is no better, alas, but some fixes have been 5 made and some functionality has been added. (This is basically the "get 6 it out the door in time for 4.4" release.) One bug fix: regfree() didn't 7 free the main internal structure (how embarrassing). It is now possible 8 to put NULs in either the RE or the target string, using (resp.) a new 9 REG_PEND flag and the old REG_STARTEND flag. The REG_NOSPEC flag to 10 regcomp() makes all characters ordinary, so you can match a literal 11 string easily (this will become more useful when performance improves!). 12 There are now primitives to match beginnings and ends of words, although 13 the syntax is disgusting and so is the implementation. The REG_ATOI 14 debugging interface has changed a bit. And there has been considerable 15 internal cleanup of various kinds. 16 17 New in alpha2.3: Split change list out of README, and moved flags notes 18 into Makefile. Macro-ized the name of regex(7) in regex(3), since it has 19 to change for 4.4BSD. Cleanup work in engine.c, and some new regression 20 tests to catch tricky cases thereof. 21 22 New in alpha2.2: Out-of-date manpages updated. Regerror() acquires two 23 small extensions -- REG_ITOA and REG_ATOI -- which avoid debugging kludges 24 in my own test program and might be useful to others for similar purposes. 25 The regression test will now compile (and run) without REDEBUG. The 26 BRE \$ bug is fixed. Most uses of "uchar" are gone; it's all chars now. 27 Char/uchar parameters are now written int/unsigned, to avoid possible 28 portability problems with unpromoted parameters. Some unsigned casts have 29 been introduced to minimize portability problems with shifting into sign 30 bits. 31 32 New in alpha2.1: Lots of little stuff, cleanup and fixes. The one big 33 thing is that regex.h is now generated, using mkh, rather than being 34 supplied in the distribution; due to circularities in dependencies, 35 you have to build regex.h explicitly by "make h". The two known bugs 36 have been fixed (and the regression test now checks for them), as has a 37 problem with assertions not being suppressed in the absence of REDEBUG. 38 No performance work yet. 39 40 New in alpha2: Backslash-anything is an ordinary character, not an 41 error (except, of course, for the handful of backslashed metacharacters 42 in BREs), which should reduce script breakage. The regression test 43 checks *where* null strings are supposed to match, and has generally 44 been tightened up somewhat. Small bug fixes in parameter passing (not 45 harmful, but technically errors) and some other areas. Debugging 46 invoked by defining REDEBUG rather than not defining NDEBUG. 47 48 New in alpha+3: full prototyping for internal routines, using a little 49 helper program, mkh, which extracts prototypes given in stylized comments. 50 More minor cleanup. Buglet fix: it's CHAR_BIT, not CHAR_BITS. Simple 51 pre-screening of input when a literal string is known to be part of the 52 RE; this does wonders for performance. 53 54 New in alpha+2: minor bits of cleanup. Notably, the number "32" for the 55 word width isn't hardwired into regexec.c any more, the public header 56 file prototypes the functions if __STDC__ is defined, and some small typos 57 in the manpages have been fixed. 58 59 New in alpha+1: improvements to the manual pages, and an important 60 extension, the REG_STARTEND option to regexec(). 61
Indexes created Sat Nov 08 00:09:40 GMT 2025