[llvm] r201125 - Using the helper API for random number generation.

[Aaron Ballman]

Author: aaronballman
Date: Mon Feb 10 21:40:14 2014
New Revision: 201125

URL: http://llvm.org/viewvc/llvm-project?rev=201125&view=rev
Log:
Using the helper API for random number generation.

Modified:
    llvm/trunk/lib/Support/Path.cpp
    llvm/trunk/lib/Support/Unix/Path.inc
    llvm/trunk/lib/Support/Windows/Path.inc

Modified: llvm/trunk/lib/Support/Path.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Path.cpp?rev=201125&r1=201124&r2=201125&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Path.cpp (original)
+++ llvm/trunk/lib/Support/Path.cpp Mon Feb 10 21:40:14 2014
@@ -15,6 +15,7 @@
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Process.h"
 #include <cctype>
 #include <cstdio>
 #include <cstring>

Modified: llvm/trunk/lib/Support/Unix/Path.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Unix/Path.inc?rev=201125&r1=201124&r2=201125&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Unix/Path.inc (original)
+++ llvm/trunk/lib/Support/Unix/Path.inc Mon Feb 10 21:40:14 2014
@@ -17,7 +17,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "Unix.h"
-#include "llvm/Support/Process.h"
 #include <limits.h>
 #include <stdio.h>
 #if HAVE_SYS_STAT_H

Modified: llvm/trunk/lib/Support/Windows/Path.inc
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Support/Windows/Path.inc?rev=201125&r1=201124&r2=201125&view=diff
==============================================================================
--- llvm/trunk/lib/Support/Windows/Path.inc (original)
+++ llvm/trunk/lib/Support/Windows/Path.inc Mon Feb 10 21:40:14 2014
@@ -112,25 +112,13 @@ static error_code createUniqueEntity(con
   // needed if the randomly chosen path already exists.
   SmallVector<wchar_t, 128> random_path_utf16;
 
-  // Get a Crypto Provider for CryptGenRandom.
-  HCRYPTPROV HCPC;
-  if (!::CryptAcquireContextW(&HCPC,
-                              NULL,
-                              NULL,
-                              PROV_RSA_FULL,
-                              CRYPT_VERIFYCONTEXT))
-    return windows_error(::GetLastError());
-  ScopedCryptContext CryptoProvider(HCPC);
-
 retry_random_path:
   random_path_utf16.set_size(0);
   for (SmallVectorImpl<wchar_t>::const_iterator i = model_utf16.begin(),
                                                 e = model_utf16.end();
                                                 i != e; ++i) {
     if (*i == L'%') {
-      BYTE val = 0;
-      if (!::CryptGenRandom(CryptoProvider, 1, &val))
-          return windows_error(::GetLastError());
+      unsigned val = sys::Process::GetRandomNumber();
       random_path_utf16.push_back(L"0123456789abcdef"[val & 15]);
     }
     else