From 88e62c81e5edc4c74018873c5a49a17a7be735a9 Mon Sep 17 00:00:00 2001
From: Daniel Gustafsson <dgustafsson@postgresql.org>
Date: Tue, 30 Aug 2022 12:50:14 +0200
Subject: [PATCH v1] pgcrypto: Remove unused mbuf code

The mbuf_tell and mbuf_rewind functions were introduced in commit
e94dd6ab91 but were never used, so remove.

Discussion: https://postgr.es/m/xxx
---
 contrib/pgcrypto/mbuf.c | 13 -------------
 contrib/pgcrypto/mbuf.h |  2 --
 2 files changed, 15 deletions(-)

diff --git a/contrib/pgcrypto/mbuf.c b/contrib/pgcrypto/mbuf.c
index bc668a0e80..99f8957b00 100644
--- a/contrib/pgcrypto/mbuf.c
+++ b/contrib/pgcrypto/mbuf.c
@@ -58,12 +58,6 @@ mbuf_size(MBuf *mbuf)
 	return mbuf->data_end - mbuf->data;
 }
 
-int
-mbuf_tell(MBuf *mbuf)
-{
-	return mbuf->read_pos - mbuf->data;
-}
-
 int
 mbuf_free(MBuf *mbuf)
 {
@@ -164,13 +158,6 @@ mbuf_grab(MBuf *mbuf, int len, uint8 **data_p)
 	return len;
 }
 
-int
-mbuf_rewind(MBuf *mbuf)
-{
-	mbuf->read_pos = mbuf->data;
-	return 0;
-}
-
 int
 mbuf_steal_data(MBuf *mbuf, uint8 **data_p)
 {
diff --git a/contrib/pgcrypto/mbuf.h b/contrib/pgcrypto/mbuf.h
index e6d754e869..adb18430b7 100644
--- a/contrib/pgcrypto/mbuf.h
+++ b/contrib/pgcrypto/mbuf.h
@@ -78,13 +78,11 @@ struct PullFilterOps
  */
 MBuf	   *mbuf_create(int len);
 MBuf	   *mbuf_create_from_data(uint8 *data, int len);
-int			mbuf_tell(MBuf *mbuf);
 int			mbuf_avail(MBuf *mbuf);
 int			mbuf_size(MBuf *mbuf);
 int			mbuf_grab(MBuf *mbuf, int len, uint8 **data_p);
 int			mbuf_steal_data(MBuf *mbuf, uint8 **data_p);
 int			mbuf_append(MBuf *dst, const uint8 *buf, int cnt);
-int			mbuf_rewind(MBuf *mbuf);
 int			mbuf_free(MBuf *mbuf);
 
 /*
-- 
2.32.1 (Apple Git-133)