svn commit: r356695 - head/usr.bin/diff
Mark Johnston
markj at FreeBSD.org
Mon Jan 13 18:29:48 UTC 2020
Author: markj
Date: Mon Jan 13 18:29:47 2020
New Revision: 356695
URL: https://svnweb.freebsd.org/changeset/base/356695
Log:
Optimize diff -q.
Once we know whether the files differ, we don't need to do any further
work.
PR: 242828
Submitted by: fehmi noyan isi <fnoyanisi at yahoo.com> (original version)
Reviewed by: bapt, kevans
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D23152
Modified:
head/usr.bin/diff/diffreg.c
Modified: head/usr.bin/diff/diffreg.c
==============================================================================
--- head/usr.bin/diff/diffreg.c Mon Jan 13 18:26:27 2020 (r356694)
+++ head/usr.bin/diff/diffreg.c Mon Jan 13 18:29:47 2020 (r356695)
@@ -349,6 +349,11 @@ diffreg(char *file1, char *file2, int flags, int capsi
goto closem;
}
+ if (diff_format == D_BRIEF) {
+ rval = D_DIFFER;
+ status |= 1;
+ goto closem;
+ }
if ((flags & D_FORCEASCII) == 0 &&
(!asciifile(f1) || !asciifile(f2))) {
rval = D_BINARY;
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