Introduced POLARSSL_HAVE_READDIR_R for systems without it

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

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 */
 
 /**

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 );
 }