document that compar can be NULL

SCCS-vsn: lib/libc/gen/fts.3 5.2

diff --git a/usr/src/lib/libc/gen/fts.3 b/usr/src/lib/libc/gen/fts.3
index 5d468d4..e01b9f0 100644 (file)
--- a/usr/src/lib/libc/gen/fts.3
+++ b/usr/src/lib/libc/gen/fts.3
@@ -13,7 +13,7 @@
 .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 .\"
 .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
 .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
 .\"

-.\"    @(#)fts.3       5.1 (Berkeley) %G%
+.\"    @(#)fts.3       5.2 (Berkeley) %G%

 .\"
 .TH FTS 3 ""
 .UC 7
 .\"
 .TH FTS 3 ""
 .UC 7


@@ -157,6 +157,9 @@ Note, the
 and
 .I path
 fields of the FTSENT structures may not be used in this comparison.
 and
 .I path
 fields of the FTSENT structures may not be used in this comparison.

+If the
+.I compar
+argument is NULL the traversal order is undefined.

 .PP
 If both FTS_MULTIPLE and the user comparison routine are specified,
 the root paths are processed in sorted order.
 .PP
 If both FTS_MULTIPLE and the user comparison routine are specified,
 the root paths are processed in sorted order.