From 76436febaba79ac186ecf4d44a470e043f7fadf9 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Tue, 22 Sep 2020 20:45:39 -0700
Subject: [PATCH] remove unused sfstacked()

---
 lib/sfio/Sfio_f/Makefile.am   |  2 +-
 lib/sfio/Sfio_f/_sfstacked.c  | 21 ---------------------
 lib/sfio/sfio.h               |  3 ---
 lib/sfio/sfio.vcxproj         |  1 -
 lib/sfio/sfio.vcxproj.filters |  3 ---
 5 files changed, 1 insertion(+), 29 deletions(-)
 delete mode 100644 lib/sfio/Sfio_f/_sfstacked.c

diff --git a/lib/sfio/Sfio_f/Makefile.am b/lib/sfio/Sfio_f/Makefile.am
index 3c6c61feb..f40407552 100644
--- a/lib/sfio/Sfio_f/Makefile.am
+++ b/lib/sfio/Sfio_f/Makefile.am
@@ -7,5 +7,5 @@ noinst_LTLIBRARIES = libsfiof_C.la
 
 libsfiof_C_la_SOURCES = \
 	_sffileno.c _sfgetc.c _sfputc.c \
-	_sfslen.c _sfstacked.c \
+	_sfslen.c \
 	_sfulen.c _sfvalue.c
diff --git a/lib/sfio/Sfio_f/_sfstacked.c b/lib/sfio/Sfio_f/_sfstacked.c
deleted file mode 100644
index 621232ae1..000000000
--- a/lib/sfio/Sfio_f/_sfstacked.c
+++ /dev/null
@@ -1,21 +0,0 @@
-/* $Id$ $Revision$ */
-/* vim:set shiftwidth=4 ts=8: */
-
-/*************************************************************************
- * Copyright (c) 2011 AT&T Intellectual Property 
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors: See CVS logs. Details at http://www.graphviz.org/
- *************************************************************************/
-
-#include	<sfio/sfhdr.h>
-
-#undef sfstacked
-
-int sfstacked(Sfio_t * f)
-{
-    return __sf_stacked(f);
-}
diff --git a/lib/sfio/sfio.h b/lib/sfio/sfio.h
index 2d619ddea..a64ffc0a6 100644
--- a/lib/sfio/sfio.h
+++ b/lib/sfio/sfio.h
@@ -356,7 +356,6 @@ extern "C" {
 /* miscellaneous function analogues of fast in-line functions */
     extern Sfoff_t sfsize(Sfio_t *);
     extern int sffileno(Sfio_t *);
-    extern int sfstacked(Sfio_t *);
     extern ssize_t sfvalue(Sfio_t *);
     extern ssize_t sfslen(void);
 
@@ -386,7 +385,6 @@ extern "C" {
 #define __sf_ulen(v)	((Sfulong_t)(v) < SF_U1 ? 1 : (Sfulong_t)(v) < SF_U2 ? 2 : \
 			 (Sfulong_t)(v) < SF_U3 ? 3 : (Sfulong_t)(v) < SF_U4 ? 4 : 5)
 #define __sf_fileno(f)	((f) ? _SF_(f)->file : -1)
-#define __sf_stacked(f)	((f) ? (_SF_(f)->push != (Sfio_t*)0) : 0)
 #define __sf_value(f)	((f) ? (_SF_(f)->val) : 0)
 #define __sf_slen()	(_Sfi)
 
@@ -394,7 +392,6 @@ extern "C" {
 #define sfgetc(f)				( __sf_getc(f)			)
 #define sfulen(v)				( __sf_ulen(v)			)
 #define sffileno(f)				( __sf_fileno(f)		)
-#define sfstacked(f)				( __sf_stacked(f)		)
 #define sfvalue(f)				( __sf_value(f)			)
 #define sfslen()				( __sf_slen()			)
 #endif				/* _SFIO_H */
diff --git a/lib/sfio/sfio.vcxproj b/lib/sfio/sfio.vcxproj
index 8cc096911..ccf5d26df 100644
--- a/lib/sfio/sfio.vcxproj
+++ b/lib/sfio/sfio.vcxproj
@@ -100,7 +100,6 @@
     <ClCompile Include="sfio_f\_sfgetc.c" />
     <ClCompile Include="sfio_f\_sfputc.c" />
     <ClCompile Include="sfio_f\_sfslen.c" />
-    <ClCompile Include="sfio_f\_sfstacked.c" />
     <ClCompile Include="sfio_f\_sfulen.c" />
     <ClCompile Include="sfio_f\_sfvalue.c" />
     <ClCompile Include="sfmode.c" />
diff --git a/lib/sfio/sfio.vcxproj.filters b/lib/sfio/sfio.vcxproj.filters
index c1f08c16b..be593e052 100644
--- a/lib/sfio/sfio.vcxproj.filters
+++ b/lib/sfio/sfio.vcxproj.filters
@@ -41,9 +41,6 @@
     <ClCompile Include="sfio_f\_sfslen.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="sfio_f\_sfstacked.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="sfio_f\_sfulen.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-- 
2.40.0