src/usr.bin/diff/xmalloc.h, branch releng/12.2

src/usr.bin/diff/xmalloc.h, branch releng/12.2 FreeBSD source tree https://cgit-dev.freebsd.org/src/atom?h=releng%2F12.2 2017-03-11T05:01:29Z Import diff from OpenBSD and remove GNU diff 2017-03-11T05:01:29Z Baptiste Daroussin bapt@FreeBSD.org 2017-03-11T05:01:29Z urn:sha1:3bbe3f672e37e4f609adb3be3a6476edce2243ec Some of the modifications from the previous summer of code has been integrated Modification for compatibility with GNU diff output has been added Main difference with OpenBSD: Implement multiple GNU diff options: * --ignore-file-name-case * --no-ignore-file-name-case * --normal * --tabsize * --strip-trailing-cr Make diff -p compatible with GNU diff Implement diff -l Make diff -r compatible with GNU diff Capsicumize diffing 2 regular files Add a simple test suite Approved by: AsiaBSDcon devsummit Obtained from: OpenBSD, GSoC Relnotes: yes