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16 Commits

Author SHA1 Message Date
mrg 6d188dd0d7 convert HAVE_GCC handling to modern GCC release numbering: 
- HAVE_GCC=5 is now the default (vs. HAVE_GCC=53 we've been using for
  GCC 5.4 and GCC 5.5.)
- remove some more GCC 4.8 code.  we don't support GCC 4 here.
- adjust set lists to gcc=5 from gcc=53.

add some basic HAVE_GCC=6 handling (totally unused so far.)
 2018-02-02 01:02:39 +00:00
mrg 6d27b0e86e for GCC 5.3 pass -fwrapv as this relies upon well-defined integer overflow. 2016-04-01 08:19:31 +00:00
jdolecek 3a4441e3d4 reimplement expr using lexical parser generated by yacc 
highlights:
* / is treated correctly depending upon context (addresses PR # 10995)
* use 64 bit arithmetic, so expr is able to process integer values from
	-(2**63) to (2**63 - 1)
* checks for integer over- & underflows added
* error messages improved, more error checking added

add AUTHOR section to manpage
add BUGS section, and mention possible drawbacks with other expr implementations

XXX the old expr treated empty string in arithmetic expressions as if it was 0
XXX this behaviour has been retained
 2000-09-19 17:20:00 +00:00
christos 23edbe3557 Remove WARNS=1 from all the subdirectory Makefiles, and add it to Makefile.inc 
now that all /bin has been cleaned.
 1997-07-20 22:36:20 +00:00
christos 1ebc470e07 Fix compiler warnings; add WARNS=1 1997-07-20 17:32:57 +00:00
cgd 49f0ad8601 convert to new RCS id conventions. 1995-03-21 09:01:59 +00:00
jtc b9e9314bd7 Re-implemented with a recursive descent parser. 
Fixed subtle bug wrt. comparing integers when either one hasn't been
coersed from a string --- while avoiding an even subtler bug found in
GNU expr.
 1994-07-16 00:17:03 +00:00
jtc 5ce3d664fb Use new POSIX.2 compatible regex routines in C library instead of -lgnuregex. 1993-11-11 01:29:52 +00:00
mycroft 57b5a6be2d Oops. This one does need a single-entry SRCS, because it's generated at 
compile time.  Lose.
 1993-08-06 01:20:44 +00:00
mycroft 210cab4541 Add RCS identifiers, remove some completely useless RCS logs and patchkit 
headers, and a few other insignificant changes.
 1993-08-02 17:18:41 +00:00
jtc 78bf9d408e Add a manual page. 1993-07-20 20:16:25 +00:00
jtc 3aef70381b Use POSIX regular expression routines. 
Remove TODO file, as I've allready done everything that there was to do.
 1993-06-14 19:56:06 +00:00
cgd 06be60083d changed "Id" to "Header" for rcsids 1993-03-23 00:22:59 +00:00
cgd 346aa5dd48 added rcs ids to all files 1993-03-22 08:04:00 +00:00
cgd e541169ce2 after 0.2.2 "stable" patches applied 1993-03-21 18:04:42 +00:00
cgd 61f282557f initial import of 386bsd-0.1 sources 1993-03-21 09:45:37 +00:00