From 7e95116064658bfbcedaceee60c0db43a02942e9 Mon Sep 17 00:00:00 2001
From: "Dr. Stephen Henson" <steve@openssl.org>
Date: Fri, 4 Feb 2011 17:56:57 +0000
Subject: [PATCH] Remove unneeded functions, make some functions and variables
 static.

---
 fips/fips.c         | 47 ++++++++++++++++++++-------------------------
 fips/fips_locl.h    | 11 -----------
 fips/utl/fips_lck.c |  2 +-
 fips/utl/fips_mem.c |  2 +-
 4 files changed, 23 insertions(+), 39 deletions(-)

diff --git a/fips/fips.c b/fips/fips.c
index 83b72e577f..6a88661a0c 100644
--- a/fips/fips.c
+++ b/fips/fips.c
@@ -70,13 +70,24 @@
 
 static int fips_selftest_fail;
 static int fips_mode;
+static int fips_started = 0;
 static const void *fips_rand_check;
 
+static int fips_is_owning_thread(void);
+static int fips_set_owning_thread(void);
+static int fips_clear_owning_thread(void);
+static unsigned char *fips_signature_witness(void);
+
+static void fips_w_lock(void)	{ CRYPTO_w_lock(CRYPTO_LOCK_FIPS); }
+static void fips_w_unlock(void)	{ CRYPTO_w_unlock(CRYPTO_LOCK_FIPS); }
+static void fips_r_lock(void)	{ CRYPTO_r_lock(CRYPTO_LOCK_FIPS); }
+static void fips_r_unlock(void)	{ CRYPTO_r_unlock(CRYPTO_LOCK_FIPS); }
+
 static void fips_set_mode(int onoff)
 	{
 	int owning_thread = fips_is_owning_thread();
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		if (!owning_thread) fips_w_lock();
 		fips_mode = onoff;
@@ -88,7 +99,7 @@ static void fips_set_rand_check(const void *rand_check)
 	{
 	int owning_thread = fips_is_owning_thread();
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		if (!owning_thread) fips_w_lock();
 		fips_rand_check = rand_check;
@@ -101,7 +112,7 @@ int FIPS_mode(void)
 	int ret = 0;
 	int owning_thread = fips_is_owning_thread();
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		if (!owning_thread) fips_r_lock();
 		ret = fips_mode;
@@ -115,7 +126,7 @@ const void *FIPS_rand_check(void)
 	const void *ret = 0;
 	int owning_thread = fips_is_owning_thread();
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		if (!owning_thread) fips_r_lock();
 		ret = fips_rand_check;
@@ -127,7 +138,7 @@ const void *FIPS_rand_check(void)
 int FIPS_selftest_failed(void)
     {
     int ret = 0;
-    if (fips_is_started())
+    if (fips_started)
 	{
 	int owning_thread = fips_is_owning_thread();
 
@@ -256,7 +267,7 @@ int FIPS_mode_set(int onoff)
     int ret = 0;
 
     fips_w_lock();
-    fips_set_started();
+    fips_started = 1;
     fips_set_owning_thread();
 
     if(onoff)
@@ -344,30 +355,14 @@ end:
     return ret;
     }
 
-void fips_w_lock(void)		{ CRYPTO_w_lock(CRYPTO_LOCK_FIPS); }
-void fips_w_unlock(void)	{ CRYPTO_w_unlock(CRYPTO_LOCK_FIPS); }
-void fips_r_lock(void)		{ CRYPTO_r_lock(CRYPTO_LOCK_FIPS); }
-void fips_r_unlock(void)	{ CRYPTO_r_unlock(CRYPTO_LOCK_FIPS); }
-
-static int fips_started = 0;
 static CRYPTO_THREADID fips_thread;
 static int fips_thread_set = 0;
 
-void fips_set_started(void)
-	{
-	fips_started = 1;
-	}
-
-int fips_is_started(void)
-	{
-	return fips_started;
-	}
-
-int fips_is_owning_thread(void)
+static int fips_is_owning_thread(void)
 	{
 	int ret = 0;
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		CRYPTO_r_lock(CRYPTO_LOCK_FIPS2);
 		if (fips_thread_set)
@@ -386,7 +381,7 @@ int fips_set_owning_thread(void)
 	{
 	int ret = 0;
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		CRYPTO_w_lock(CRYPTO_LOCK_FIPS2);
 		if (!fips_thread_set)
@@ -403,7 +398,7 @@ int fips_clear_owning_thread(void)
 	{
 	int ret = 0;
 
-	if (fips_is_started())
+	if (fips_started)
 		{
 		CRYPTO_w_lock(CRYPTO_LOCK_FIPS2);
 		if (fips_thread_set)
diff --git a/fips/fips_locl.h b/fips/fips_locl.h
index 06cb64d832..b79865e469 100644
--- a/fips/fips_locl.h
+++ b/fips/fips_locl.h
@@ -53,17 +53,6 @@
 extern "C" {
 #endif
 
-void fips_w_lock(void);
-void fips_w_unlock(void);
-void fips_r_lock(void);
-void fips_r_unlock(void);
-int fips_is_started(void);
-void fips_set_started(void);
-int fips_is_owning_thread(void);
-int fips_set_owning_thread(void);
-int fips_clear_owning_thread(void);
-unsigned char *fips_signature_witness(void);
-
 #define FIPS_MAX_CIPHER_TEST_SIZE	16
 
 #ifdef  __cplusplus
diff --git a/fips/utl/fips_lck.c b/fips/utl/fips_lck.c
index 63b4c0da73..32a44431c2 100644
--- a/fips/utl/fips_lck.c
+++ b/fips/utl/fips_lck.c
@@ -58,7 +58,7 @@
 
 /* FIPS locking callbacks */
 
-void (*fips_lck_cb)(int mode, int type,const char *file,int line) = 0;
+static void (*fips_lck_cb)(int mode, int type,const char *file,int line) = 0;
 
 void FIPS_lock(int mode, int type,const char *file,int line)
 	{
diff --git a/fips/utl/fips_mem.c b/fips/utl/fips_mem.c
index 3d5c907f1a..e0bd0a8265 100644
--- a/fips/utl/fips_mem.c
+++ b/fips/utl/fips_mem.c
@@ -72,7 +72,7 @@ static void fips_free_def(void *x)
 
 static void *(*fips_malloc_cb)(int num, const char *file, int line) =
 		fips_malloc_def;
-void (*fips_free_cb)(void *) =
+static void (*fips_free_cb)(void *) =
 		fips_free_def;
 
 void *FIPS_malloc(int num, const char *file, int line)
-- 
2.34.1