[Boost-commit] svn:boost r61510 - trunk/libs/random/src

Subject: [Boost-commit] svn:boost r61510 - trunk/libs/random/src
From: steven_at_[hidden]
Date: 2010-04-23 13:22:40

Author: steven_watanabe
Date: 2010-04-23 13:22:39 EDT (Fri, 23 Apr 2010)
New Revision: 61510
URL: http://svn.boost.org/trac/boost/changeset/61510

Log:
Fix random_device on mingw
Text files modified: 
   trunk/libs/random/src/random_device.cpp |    26 ++++++++++++++++++++++++--              
   1 files changed, 24 insertions(+), 2 deletions(-)

Modified: trunk/libs/random/src/random_device.cpp
==============================================================================
--- trunk/libs/random/src/random_device.cpp	(original)
+++ trunk/libs/random/src/random_device.cpp	2010-04-23 13:22:39 EDT (Fri, 23 Apr 2010)
@@ -31,7 +31,30 @@
 #include <wincrypt.h>
 #include <stdexcept>  // std::invalid_argument
 
-#pragma comment(lib, "Advapi32.lib")
+#define BOOST_AUTO_LINK_NOMANGLE
+#define BOOST_LIB_NAME "Advapi32"
+#include <boost/config/auto_link.hpp>
+
+#ifdef __MINGW32__
+
+extern "C" {
+
+// mingw's wincrypt.h appears to be missing some things
+WINADVAPI
+BOOL
+WINAPI
+CryptEnumProvidersA(
+    DWORD dwIndex,
+    DWORD *pdwReserved,
+    DWORD dwFlags,
+    DWORD *pdwProvType,
+    LPSTR szProvName,
+    DWORD *pcbProvName
+    );
+
+}
+
+#endif
 
 BOOST_RANDOM_DECL const char * const boost::random_device::default_token = MS_DEF_PROV_A;
 
@@ -77,7 +100,6 @@
 
 private:
   void error(const std::string & msg) {
-    DWORD error_code = GetLastError();
     char buf[80];
     DWORD num = FormatMessageA(
       FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,