From 9b265d99b8873466eb05a749b23f644306e56a2b Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 11 Jul 2020 10:53:56 -0700
Subject: [PATCH] remove agheap()

Accessing the internals of the allocator via Cgraph is no longer supported.
---
 CHANGELOG.md        |  1 +
 lib/cgraph/cgraph.h |  1 -
 lib/cgraph/mem.c    | 10 ----------
 3 files changed, 1 insertion(+), 11 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index ef60933b0..c5bf448bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- Cgraph's agheap() API has been removed
 
 ## [2.44.1] - 2020-06-29
 
diff --git a/lib/cgraph/cgraph.h b/lib/cgraph/cgraph.h
index 36df70dc7..4e269d9b5 100644
--- a/lib/cgraph/cgraph.h
+++ b/lib/cgraph/cgraph.h
@@ -377,7 +377,6 @@ CGRAPH_API void *agalloc(Agraph_t * g, size_t size);
 CGRAPH_API void *agrealloc(Agraph_t * g, void *ptr, size_t oldsize,
 		       size_t size);
 CGRAPH_API void agfree(Agraph_t * g, void *ptr);
-CGRAPH_API struct _vmalloc_s *agheap(Agraph_t * g);
 
 /* an engineering compromise is a joy forever */
 CGRAPH_API void aginternalmapclearlocalnames(Agraph_t * g);
diff --git a/lib/cgraph/mem.c b/lib/cgraph/mem.c
index 8d9331920..62542c778 100644
--- a/lib/cgraph/mem.c
+++ b/lib/cgraph/mem.c
@@ -91,13 +91,3 @@ void agfree(Agraph_t * g, void *ptr)
     if (ptr)
 	(AGDISC(g, mem)->free) (AGCLOS(g, mem), ptr);
 }
-
-#ifndef _VMALLOC_H
-struct _vmalloc_s {
-    char unused;
-};
-#endif
-struct _vmalloc_s *agheap(Agraph_t * g)
-{
-    return AGCLOS(g, mem);
-}
-- 
2.40.0