From 9ccb2116a79236a3cf1594b6a54d35ae8e14b6fc Mon Sep 17 00:00:00 2001
From: Paul Bakker <p.j.bakker@polarssl.org>
Date: Mon, 7 Jul 2014 13:43:31 +0200
Subject: [PATCH] Introduced POLARSSL_HAVE_READDIR_R for systems without it

---
 ChangeLog                 |  4 ++++
 include/polarssl/config.h | 11 +++++++++++
 library/x509parse.c       |  8 +++++++-
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 86beaf70c..77107d412 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 PolarSSL ChangeLog
 
+= Branch 1.2
+Changes
+   * Introduced POLARSSL_HAVE_READDIR_R for systems without it
+
 = Version 1.2.10 released 2013-10-07
 Changes
    * Changed RSA blinding to a slower but thread-safe version
diff --git a/include/polarssl/config.h b/include/polarssl/config.h
index bd1a46636..c22830b1b 100644
--- a/include/polarssl/config.h
+++ b/include/polarssl/config.h
@@ -94,6 +94,17 @@
  *
 #define POLARSSL_HAVE_SSE2
  */
+
+/**
+ * \def POLARSSL_HAVE_READDIR_R
+ *
+ * (Non Windows) System has readdir_r().
+ *
+ * Required for x509_crt_parse_path() in non-Windows systems.
+ *
+ * Comment if your system does not have support.
+ */
+#define POLARSSL_HAVE_READDIR_R
 /* \} name */
 
 /**
diff --git a/library/x509parse.c b/library/x509parse.c
index 2aa0499bb..42eaf580c 100644
--- a/library/x509parse.c
+++ b/library/x509parse.c
@@ -1948,6 +1948,7 @@ int x509parse_crtpath( x509_cert *chain, const char *path )
 cleanup:
     FindClose( hFind );
 #else
+#if defined(POLARSSL_HAVE_READDIR_R)
     int t_ret, i;
     struct stat sb;
     struct dirent entry, *result = NULL;
@@ -1984,7 +1985,12 @@ cleanup:
             ret += t_ret;
     }
     closedir( dir );
-#endif
+#else /* POLARSSL_HAVE_READDIR_R */
+    ((void) chain);
+    ((void) path);
+    ret = POLARSSL_ERR_X509_FEATURE_UNAVAILABLE;
+#endif /* POLARSSL_HAVE_READDIR_R */
+#endif /* _WIN32 */
 
     return( ret );
 }