From 2f1984b823644fa9b991a59ac53261f237301cee Mon Sep 17 00:00:00 2001
From: Sascha Wildner <saw@online.de>
Date: Sun, 5 Jun 2016 12:35:54 +0200
Subject: [PATCH] kstrdup.9: Mention kstrndup().

---
 share/man/man9/Makefile  |  1 +
 share/man/man9/kstrdup.9 | 22 +++++++++++++++++-----
 2 files changed, 18 insertions(+), 5 deletions(-)

diff --git a/share/man/man9/Makefile b/share/man/man9/Makefile
index 9831132ef5..3652cfd662 100644
--- a/share/man/man9/Makefile
+++ b/share/man/man9/Makefile
@@ -583,6 +583,7 @@ MLINKS+=kprintf.9 krateprintf.9 \
 	kprintf.9 uprintf.9
 MLINKS+=ksignal.9 gsignal.9 \
 	ksignal.9 pgsignal.9
+MLINKS+=kstrdup.9 kstrndup.9
 MLINKS+=ktr.9 KTR_COND_LOG.9 \
 	ktr.9 KTR_INFO.9 \
 	ktr.9 KTR_INFO_MASTER.9 \
diff --git a/share/man/man9/kstrdup.9 b/share/man/man9/kstrdup.9
index 4f92cbfe8a..8fe09e9ac2 100644
--- a/share/man/man9/kstrdup.9
+++ b/share/man/man9/kstrdup.9
@@ -28,21 +28,23 @@
 .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd January 14, 2016
+.Dd June 5, 2016
 .Dt KSTRDUP 9
 .Os
 .Sh NAME
-.Nm kstrdup
+.Nm kstrdup ,
+.Nm kstrndup
 .Nd save a copy of a string
 .Sh SYNOPSIS
 .In sys/malloc.h
 .Ft char *
 .Fn kstrdup "const char *str" "struct malloc_type *type"
+.Ft char *
+.Fn kstrndup "const char *str" "size_t maxlen" "struct malloc_type *type"
 .Sh DESCRIPTION
 The
-.Fn strdup
-function
-allocates sufficient memory of type
+.Fn kstrdup
+function allocates sufficient memory of type
 .Fa type
 for a copy of the string
 .Fa str ,
@@ -50,6 +52,16 @@ does the copy, and returns a pointer to it.
 The pointer may subsequently be used as an
 argument to the function
 .Xr kfree 9 .
+.Pp
+The
+.Fn kstrndup
+function copies at most
+.Fa maxlen
+characters from the string
+.Fa str
+and will always
+.Dv NUL
+terminate the copied string.
 .Sh SEE ALSO
 .Xr kfree 9 ,
 .Xr kmalloc 9
-- 
2.41.0