From 05669c67a751b6e5a11ad88ee78978788d7e4b00 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Tue, 19 Apr 2022 20:51:58 -0700
Subject: [PATCH] sfio: remove unused 'sfresize'

Gitlab: #1998
---
 ci/clang_format.py            |  1 -
 lib/sfio/CMakeLists.txt       |  1 -
 lib/sfio/Makefile.am          |  2 +-
 lib/sfio/sfio.h               |  1 -
 lib/sfio/sfio.vcxproj         |  1 -
 lib/sfio/sfio.vcxproj.filters |  3 --
 lib/sfio/sfresize.c           | 63 -----------------------------------
 7 files changed, 1 insertion(+), 71 deletions(-)
 delete mode 100644 lib/sfio/sfresize.c

diff --git a/ci/clang_format.py b/ci/clang_format.py
index e4a3cead1..bc24c5236 100644
--- a/ci/clang_format.py
+++ b/ci/clang_format.py
@@ -670,7 +670,6 @@ EXCLUDE = (
   "lib/sfio/sfraise.c",
   "lib/sfio/sfrd.c",
   "lib/sfio/sfread.c",
-  "lib/sfio/sfresize.c",
   "lib/sfio/sfscanf.c",
   "lib/sfio/sfseek.c",
   "lib/sfio/sfsetbuf.c",
diff --git a/lib/sfio/CMakeLists.txt b/lib/sfio/CMakeLists.txt
index e968f641d..0d5379703 100644
--- a/lib/sfio/CMakeLists.txt
+++ b/lib/sfio/CMakeLists.txt
@@ -22,7 +22,6 @@ add_library(sfio STATIC
   sfraise.c
   sfrd.c
   sfread.c
-  sfresize.c
   sfscanf.c
   sfseek.c
   sfsetbuf.c
diff --git a/lib/sfio/Makefile.am b/lib/sfio/Makefile.am
index b2763c302..3579caa1e 100644
--- a/lib/sfio/Makefile.am
+++ b/lib/sfio/Makefile.am
@@ -14,7 +14,7 @@ libsfio_C_la_SOURCES = sfclose.c sfcvt.c sfdisc.c \
 	sfnputc.c sfopen.c sfpkrd.c \
 	sfprintf.c \
 	sfputr.c sfraise.c sfrd.c sfread.c \
-	sfresize.c sfscanf.c sfseek.c sfsetbuf.c sfsetfd.c \
+	sfscanf.c sfseek.c sfsetbuf.c sfsetfd.c \
 	sfsk.c sfstack.c sfswap.c sfsync.c \
 	sftable.c sftmp.c sfungetc.c sfvprintf.c \
 	sfvscanf.c sfwr.c sfwrite.c
diff --git a/lib/sfio/sfio.h b/lib/sfio/sfio.h
index b9e38f01c..b5bf21d57 100644
--- a/lib/sfio/sfio.h
+++ b/lib/sfio/sfio.h
@@ -213,7 +213,6 @@ extern "C" {
     extern int sfsscanf(const char *, const char *, ...);
     extern int sfvsscanf(const char *, const char *, va_list);
     extern int sfvscanf(Sfio_t *, const char *, va_list);
-    extern int sfresize(Sfio_t *, Sfoff_t);
 
 /* io functions with discipline continuation */
     extern ssize_t sfrd(Sfio_t *, void *, size_t, Sfdisc_t *);
diff --git a/lib/sfio/sfio.vcxproj b/lib/sfio/sfio.vcxproj
index 3c288273c..ea364cdd7 100644
--- a/lib/sfio/sfio.vcxproj
+++ b/lib/sfio/sfio.vcxproj
@@ -101,7 +101,6 @@
     <ClCompile Include="sfraise.c" />
     <ClCompile Include="sfrd.c" />
     <ClCompile Include="sfread.c" />
-    <ClCompile Include="sfresize.c" />
     <ClCompile Include="sfscanf.c" />
     <ClCompile Include="sfseek.c" />
     <ClCompile Include="sfsetbuf.c" />
diff --git a/lib/sfio/sfio.vcxproj.filters b/lib/sfio/sfio.vcxproj.filters
index ec2056861..e72a65ab7 100644
--- a/lib/sfio/sfio.vcxproj.filters
+++ b/lib/sfio/sfio.vcxproj.filters
@@ -89,9 +89,6 @@
     <ClCompile Include="sfread.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="sfresize.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="sfscanf.c">
       <Filter>Source Files</Filter>
     </ClCompile>
diff --git a/lib/sfio/sfresize.c b/lib/sfio/sfresize.c
deleted file mode 100644
index 2950a9900..000000000
--- a/lib/sfio/sfresize.c
+++ /dev/null
@@ -1,63 +0,0 @@
-/*************************************************************************
- * 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: Details at https://graphviz.org
- *************************************************************************/
-
-#include	<sfio/sfhdr.h>
-
-/*	Resize a stream.
-	Written by Kiem-Phong Vo.
-*/
-
-int sfresize(Sfio_t * f, Sfoff_t size)
-{
-    SFMTXSTART(f, -1);
-
-    if (size < 0 || f->extent < 0 ||
-	(f->mode != SF_WRITE && _sfmode(f, SF_WRITE, 0) < 0))
-	SFMTXRETURN(f, -1);
-
-    SFLOCK(f, 0);
-
-    if (f->flags & SF_STRING) {
-	SFSTRSIZE(f);
-
-	if (f->extent >= size) {
-	    if ((f->flags & SF_MALLOC) && (f->next - f->data) <= size) {
-		size_t s = (((size_t) size + 1023) / 1024) * 1024;
-		void *d;
-		if (s < f->size && (d = realloc(f->data, s))) {
-		    f->data = d;
-		    f->size = s;
-		    f->extent = s;
-		}
-	    }
-	    memclear((char *) (f->data + size), (int) (f->extent - size));
-	} else {
-	    if (SFSK(f, size, SEEK_SET, f->disc) != size)
-		SFMTXRETURN(f, -1);
-	    memclear((char *) (f->data + f->extent),
-		     (int) (size - f->extent));
-	}
-    } else {
-	if (f->next > f->data)
-	    SFSYNC(f);
-#ifdef HAVE_FTRUNCATE
-	if (ftruncate(f->file, size) < 0)
-	    SFMTXRETURN(f, -1);
-#else
-	SFMTXRETURN(f, -1);
-#endif
-    }
-
-    f->extent = size;
-
-    SFOPEN(f, 0);
-
-    SFMTXRETURN(f, 0);
-}
-- 
2.40.0