From e612aec5d9f25a7334d9e2981f1aabf12b889b64 Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.asn.au>
Date: Fri, 2 Mar 2018 00:02:06 +0800
Subject: [PATCH] Attempt to fix m_free for libtomcrypt/libtommath

---
 dbmalloc.h                                | 10 ++++++----
 libtomcrypt/src/headers/tomcrypt_custom.h |  7 +------
 libtommath/tommath_class.h                |  7 +------
 3 files changed, 8 insertions(+), 16 deletions(-)

diff --git a/dbmalloc.h b/dbmalloc.h
index a5a13ad..d5e814e 100644
--- a/dbmalloc.h
+++ b/dbmalloc.h
@@ -1,7 +1,9 @@
 #ifndef DBMALLOC_H_
 #define DBMALLOC_H_
 
-#include "includes.h"
+#include "stdint.h"
+#include "stdlib.h"
+#include "options.h"
 
 void * m_malloc(size_t size);
 void * m_calloc(size_t nmemb, size_t size);
@@ -10,16 +12,16 @@ void * m_realloc(void* ptr, size_t size);
 
 #if DROPBEAR_TRACKING_MALLOC
 void m_free_direct(void* ptr);
-#define m_free(X) do {m_free_direct(X); (X) = NULL;} while (0)
 void m_malloc_set_epoch(unsigned int epoch);
 void m_malloc_free_epoch(unsigned int epoch, int dofree);
 
 #else
 /* plain wrapper */
-
-#define m_free(X) do {free(X); (X) = NULL;} while (0)
+#define m_free_direct free
 
 #endif
 
+#define m_free(X) do {m_free_direct(X); (X) = NULL;} while (0)
+
 
 #endif /* DBMALLOC_H_ */
diff --git a/libtomcrypt/src/headers/tomcrypt_custom.h b/libtomcrypt/src/headers/tomcrypt_custom.h
index 6fb0f27..f2351da 100644
--- a/libtomcrypt/src/headers/tomcrypt_custom.h
+++ b/libtomcrypt/src/headers/tomcrypt_custom.h
@@ -12,12 +12,7 @@
 
 #include "tomcrypt_dropbear.h"
 
-void * m_malloc(size_t size);
-/* m_calloc is limited in size, enough for libtomcrypt */
-void * m_calloc(size_t nmemb, size_t size);
-void * m_realloc(void* ptr, size_t size);
-void m_free_direct(void* ptr);
-
+#include "dbmalloc.h"
 #define XMALLOC m_malloc
 #define XFREE m_free_direct
 #define XREALLOC m_realloc
diff --git a/libtommath/tommath_class.h b/libtommath/tommath_class.h
index bd7c39a..b9d9c0c 100644
--- a/libtommath/tommath_class.h
+++ b/libtommath/tommath_class.h
@@ -1062,12 +1062,7 @@
 #undef BN_MP_TOOM_MUL_C
 #undef BN_MP_TOOM_SQR_C
 
-void * m_malloc(size_t size);
-/* m_calloc is limited in size, enough for libtomcrypt */
-void * m_calloc(size_t nmemb, size_t size);
-void * m_realloc(void* ptr, size_t size);
-void m_free_direct(void* ptr);
-
+#include "dbmalloc.h"
 #define XMALLOC m_malloc
 #define XFREE m_free_direct
 #define XREALLOC m_realloc