Add the -S option to sort files by size. NetBSD and OpenBSD already

have this option with identical semantics (sorting large files first).
-r can be used to reverse the sort if that is desired.

PR:		81625
Submitted by:	Kostas Blekos <mplekos@physics.upatras.gr>, keramida

1 files changed, 18 insertions, 0 deletions

diff --git a/bin/ls/cmp.c b/bin/ls/cmp.c
index 903da8b..37b4a75 100644
--- a/bin/ls/cmp.c
+++ b/bin/ls/cmp.c
@@ -139,3 +139,21 @@ revstatcmp(const FTSENT *a, const FTSENT *b)
 
 	return (statcmp(b, a));
 }
+
+int
+sizecmp(const FTSENT *a, const FTSENT *b)
+{
+
+	if (b->fts_statp->st_size > a->fts_statp->st_size)
+		return (1);
+	if (b->fts_statp->st_size < a->fts_statp->st_size)
+		return (-1);
+	return (strcoll(a->fts_name, b->fts_name));
+}
+
+int
+revsizecmp(const FTSENT *a, const FTSENT *b)
+{
+
+	return (sizecmp(b, a));
+}