From 790e395729ea3915a1bf3cdc284e2fff574c2840 Mon Sep 17 00:00:00 2001
From: Paul Bakker <p.j.bakker@polarssl.org>
Date: Wed, 30 Apr 2014 16:48:32 +0200
Subject: [PATCH] Fixed to the features check

---
 include/polarssl/version.h              | 4 +++-
 scripts/data_files/version_features.fmt | 5 +++++
 visualc/VS2010/PolarSSL.vcxproj         | 1 +
 visualc/VS6/polarssl.dsp                | 4 ++++
 4 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/polarssl/version.h b/include/polarssl/version.h
index 1c504fafb..8527dd2b8 100644
--- a/include/polarssl/version.h
+++ b/include/polarssl/version.h
@@ -99,7 +99,9 @@ void version_get_string_full( char *string );
  *
  * \param feature   The string for the define to check (e.g. "POLARSSL_AES_C")
  *
- * \return          0 if the feature is present, -1 if not.
+ * \return          0 if the feature is present, -1 if the feature is not
+ *                  present and -2 if support for feature checking as a whole
+ *                  was not compiled in.
  */
 int version_check_feature( const char *feature );
 
diff --git a/scripts/data_files/version_features.fmt b/scripts/data_files/version_features.fmt
index c6a424f5d..1b1a91849 100644
--- a/scripts/data_files/version_features.fmt
+++ b/scripts/data_files/version_features.fmt
@@ -41,7 +41,9 @@
 #endif
 
 const char *features[] = {
+#if defined(POLARSSL_VERSION_FEATURES)
 FEATURE_DEFINES
+#endif
     NULL
 };
 
@@ -49,6 +51,9 @@ int version_check_feature( const char *feature )
 {
     const char **idx = features;
 
+    if( *idx == NULL )
+        return( -2 );
+
     if( feature == NULL )
         return( -1 );
 
diff --git a/visualc/VS2010/PolarSSL.vcxproj b/visualc/VS2010/PolarSSL.vcxproj
index 7af2ac933..529794adb 100644
--- a/visualc/VS2010/PolarSSL.vcxproj
+++ b/visualc/VS2010/PolarSSL.vcxproj
@@ -265,6 +265,7 @@
     <ClCompile Include="..\..\library\threading.c" />
     <ClCompile Include="..\..\library\timing.c" />
     <ClCompile Include="..\..\library\version.c" />
+    <ClCompile Include="..\..\library\version_features.c" />
     <ClCompile Include="..\..\library\x509.c" />
     <ClCompile Include="..\..\library\x509_create.c" />
     <ClCompile Include="..\..\library\x509_crl.c" />
diff --git a/visualc/VS6/polarssl.dsp b/visualc/VS6/polarssl.dsp
index 205dfd647..71dfd7f12 100644
--- a/visualc/VS6/polarssl.dsp
+++ b/visualc/VS6/polarssl.dsp
@@ -317,6 +317,10 @@ SOURCE=..\..\library\version.c
 # End Source File
 # Begin Source File
 
+SOURCE=..\..\library\version_features.c
+# End Source File
+# Begin Source File
+
 SOURCE=..\..\library\x509.c
 # End Source File
 # Begin Source File