From d68d656a97f42a542fd7e955d216a471f9bad221 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 13 Mar 2022 17:36:55 -0700
Subject: [PATCH] remove now-unused 'pathgetlink'

---
 ci/clang_format.py          |  1 -
 lib/ast/CMakeLists.txt      |  1 -
 lib/ast/Makefile.am         |  2 +-
 lib/ast/ast.h               |  1 -
 lib/ast/ast.vcxproj         |  1 -
 lib/ast/ast.vcxproj.filters |  3 ---
 lib/ast/pathgetlink.c       | 49 -------------------------------------
 7 files changed, 1 insertion(+), 57 deletions(-)
 delete mode 100644 lib/ast/pathgetlink.c

diff --git a/ci/clang_format.py b/ci/clang_format.py
index fc9c5f3b4..7201ea2fd 100644
--- a/ci/clang_format.py
+++ b/ci/clang_format.py
@@ -243,7 +243,6 @@ EXCLUDE = (
   "lib/ast/pathcanon.c",
   "lib/ast/pathcat.c",
   "lib/ast/pathfind.c",
-  "lib/ast/pathgetlink.c",
   "lib/ast/pathpath.c",
   "lib/ast/sfstr.h",
   "lib/ast/strcopy.c",
diff --git a/lib/ast/CMakeLists.txt b/lib/ast/CMakeLists.txt
index 1c3a670ac..1814b337d 100644
--- a/lib/ast/CMakeLists.txt
+++ b/lib/ast/CMakeLists.txt
@@ -16,7 +16,6 @@ add_library(ast STATIC
   pathcanon.c
   pathcat.c
   pathfind.c
-  pathgetlink.c
   strcopy.c
   stresc.c
   strmatch.c
diff --git a/lib/ast/Makefile.am b/lib/ast/Makefile.am
index 68f8cc415..0fac1f3e7 100644
--- a/lib/ast/Makefile.am
+++ b/lib/ast/Makefile.am
@@ -7,7 +7,7 @@ noinst_LTLIBRARIES = libast_C.la
 
 libast_C_la_SOURCES = pathpath.c sfstr.h chresc.c chrtoi.c error.c \
 	fmtbuf.c fmtesc.c pathaccess.c pathcanon.c pathcat.c \
-	pathfind.c pathgetlink.c \
+	pathfind.c \
 	strcopy.c stresc.c strmatch.c
 
 EXTRA_DIST = compat_unistd.h ast.vcxproj*
diff --git a/lib/ast/ast.h b/lib/ast/ast.h
index 02f0a8522..27783c540 100644
--- a/lib/ast/ast.h
+++ b/lib/ast/ast.h
@@ -64,7 +64,6 @@ extern "C" {
 			    const char *, int);
     extern const char *pathcat(char *, const char *, int, const char *,
 			 const char *);
-    extern size_t pathgetlink(const char *, char *, size_t);
 
     extern int chresc(const char *, char **);
     extern int chrtoi(const char *);
diff --git a/lib/ast/ast.vcxproj b/lib/ast/ast.vcxproj
index 3ff940c97..ac8117e76 100644
--- a/lib/ast/ast.vcxproj
+++ b/lib/ast/ast.vcxproj
@@ -91,7 +91,6 @@
     <ClCompile Include="pathcanon.c" />
     <ClCompile Include="pathcat.c" />
     <ClCompile Include="pathfind.c" />
-    <ClCompile Include="pathgetlink.c" />
     <ClCompile Include="pathpath.c" />
     <ClCompile Include="strcopy.c" />
     <ClCompile Include="stresc.c" />
diff --git a/lib/ast/ast.vcxproj.filters b/lib/ast/ast.vcxproj.filters
index 3f3bc9e3e..14ee6c957 100644
--- a/lib/ast/ast.vcxproj.filters
+++ b/lib/ast/ast.vcxproj.filters
@@ -59,9 +59,6 @@
     <ClCompile Include="pathfind.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="pathgetlink.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="pathpath.c">
       <Filter>Source Files</Filter>
     </ClCompile>
diff --git a/lib/ast/pathgetlink.c b/lib/ast/pathgetlink.c
deleted file mode 100644
index 5e0bcd13e..000000000
--- a/lib/ast/pathgetlink.c
+++ /dev/null
@@ -1,49 +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
- *************************************************************************/
-
-/*
-* Glenn Fowler
-* AT&T Bell Laboratories
-*/
-
-#include "config.h"
-#include <errno.h>
-
-#include <ast/ast.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#else
-#include <ast/compat_unistd.h>
-#endif
-#include <stddef.h>
-#include <stdint.h>
-
-/*
- * return external representation for symbolic link text of name in buf
- * the link text string length is returned
- */
-
-size_t pathgetlink(const char *name, char *buf, size_t siz)
-{
-#ifdef _WIN32
-	return SIZE_MAX;
-#else
-    ssize_t n;
-
-    if ((n = readlink(name, buf, siz)) < 0)
-	return SIZE_MAX;
-    if ((size_t)n >= siz) {
-	errno = EINVAL;
-	return SIZE_MAX;
-    }
-    buf[n] = 0;
-    return (size_t)n;
-#endif
-}
-- 
2.40.0