src/usr.bin/cmp, branch release/5.2.1

phk added the -x option in May 2000, but only for regular files; for

2003-06-19T07:24:26Z

special files it was treated like -l. This commit adds the -x option in for special files as well. PR: bin/46249 Submitted by: Colin Percival

The cmp utility has the questionable feature of using mmap when

2003-02-26T06:44:46Z

comparing regular files. Add a SIGSEGV handler to make its behavior less surprising when a read error occurs. The handler does not attempt to distinguish errors from file truncation, but anyone actively modifying a file while trying to compare it shouldn't even expect something sane to happen. PR: 45391 Reviewed by: mike (mentor)

Fix typos, mostly s/ an / a / where appropriate and a few s/an/and/

2002-12-30T21:18:15Z

Add FreeBSD Id tag where missing.

ANSIify function definitions to avoid a warning.

2002-07-28T15:13:17Z

No need to check for "-" explicitly in getopt() loop.

2002-06-07T02:35:21Z

Exit >1 when an error occurs, regardless of whether -s is specified (SUSv3)

2002-06-07T02:30:56Z

remove __P

2002-03-22T01:22:50Z

Remove leaf node WARNS?=2 (that mainly I added). This should

2002-02-08T22:31:43Z

help the GCC3 transition and CURRENT in general.

Style improvements recommended by Bruce as a follow up to some

2001-12-10T21:13:08Z

of the recent WARNS commits. The idea is: 1) FreeBSD id tags should follow vendor tags. 2) Vendor tags should not be compiled (though copyrights probably should). 3) There should be no blank line between including cdefs and __FBSDIF.

Cast off_t to long long before printing. Use %ll instead of %q incase

2001-12-03T20:56:16Z

long long and quad_t are not the same.