From ff9fb963873ce7ede048265a7ccaef9e0a380096 Mon Sep 17 00:00:00 2001
From: tb <tb@openbsd.org>
Date: Wed, 26 Jul 2023 20:12:45 +0000
Subject: [PATCH] Remove BUF_reverse and BUF_strdup documentation

---
 lib/libcrypto/man/BUF_MEM_new.3 | 55 ++-------------------------------
 1 file changed, 2 insertions(+), 53 deletions(-)

diff --git a/lib/libcrypto/man/BUF_MEM_new.3 b/lib/libcrypto/man/BUF_MEM_new.3
index 904e6f2a840..d6912c398b9 100644
--- a/lib/libcrypto/man/BUF_MEM_new.3
+++ b/lib/libcrypto/man/BUF_MEM_new.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: BUF_MEM_new.3,v 1.16 2019/06/06 01:06:58 schwarze Exp $
+.\"	$OpenBSD: BUF_MEM_new.3,v 1.17 2023/07/26 20:12:45 tb Exp $
 .\"	OpenSSL doc/crypto/buffer.pod 18edda0f Sep 20 03:28:54 2000 +0000
 .\"	not merged: 74924dcb, 58e3457a, 21b0fa91, 7644a9ae
 .\"	OpenSSL doc/crypto/BUF_MEM_new.pod 53934822 Jun 9 16:39:19 2016 -0400
@@ -52,7 +52,7 @@
 .\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 .\" OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: June 6 2019 $
+.Dd $Mdocdate: July 26 2023 $
 .Dt BUF_MEM_NEW 3
 .Os
 .Sh NAME
@@ -60,8 +60,6 @@
 .Nm BUF_MEM_free ,
 .Nm BUF_MEM_grow ,
 .Nm BUF_MEM_grow_clean ,
-.Nm BUF_reverse ,
-.Nm BUF_strdup
 .Nd simple character arrays structure
 .Sh SYNOPSIS
 .In openssl/buffer.h
@@ -83,16 +81,6 @@
 .Fa "BUF_MEM *str"
 .Fa "size_t len"
 .Fc
-.Ft void
-.Fo BUF_reverse
-.Fa "unsigned char *out"
-.Fa "const unsigned char *in"
-.Fa "size_t len"
-.Fc
-.Ft char *
-.Fo BUF_strdup
-.Fa "const char *str"
-.Fc
 .Sh DESCRIPTION
 The buffer library handles simple character arrays.
 Buffers are used for various purposes in the library, most notably
@@ -138,40 +126,6 @@ Any data already in the buffer is preserved if it increases in size.
 is similar to
 .Fn BUF_MEM_grow ,
 but it sets any freed or additionally allocated memory to zero.
-.Pp
-.Fn BUF_reverse
-reverses
-.Fa len
-bytes at
-.Fa in
-into
-.Fa out .
-If
-.Fa in
-is
-.Dv NULL ,
-.Fa out
-is reversed in place.
-.Pp
-.Fn BUF_strdup
-copies a NUL terminated string into a block of allocated memory and
-returns a pointer to the allocated block.
-Unlike the system
-.Xr strdup 3
-function,
-.Fn BUF_strdup
-will accept a
-.Dv NULL
-argument and will return
-.Dv NULL
-in that case.
-Its use in new programs is discouraged.
-.Pp
-The memory allocated from
-.Fn BUF_strdup
-should be freed up using the
-.Xr free 3
-function.
 .Sh RETURN VALUES
 .Fn BUF_MEM_new
 returns the buffer or
@@ -192,8 +146,6 @@ return zero on error or the new size (i.e.\&
 and
 .Fn BUF_MEM_grow
 first appeared in SSLeay 0.6.0.
-.Fn BUF_strdup
-first appeared in SSLeay 0.8.0.
 All these functions  have been available since
 .Ox 2.4 .
 .Pp
@@ -201,6 +153,3 @@ All these functions  have been available since
 first appeared in OpenSSL 0.9.7 and has been available since
 .Ox 3.2 .
 .Pp
-.Fn BUF_reverse
-first appeared in OpenSSL 1.0.0 and has been available since
-.Ox 4.9 .
-- 
2.20.1