Reimport boost/random as a separate project

1 files changed, 0 insertions, 250 deletions

diff --git a/contrib/restricted/boost/libs/random/src/random_device.cpp b/contrib/restricted/boost/libs/random/src/random_device.cpp
deleted file mode 100644
index 8ec3863107..0000000000
--- a/contrib/restricted/boost/libs/random/src/random_device.cpp
+++ /dev/null
@@ -1,250 +0,0 @@
-/* boost random_device.cpp implementation
- *
- * Copyright Jens Maurer 2000
- * Copyright Steven Watanabe 2010-2011
- * Distributed under the Boost Software License, Version 1.0. (See
- * accompanying file LICENSE_1_0.txt or copy at
- * http://www.boost.org/LICENSE_1_0.txt)
- *
- * $Id$
- *
- */
-
-#define BOOST_RANDOM_SOURCE
-
-#include <boost/random/random_device.hpp>
-#include <boost/config.hpp>
-#include <boost/throw_exception.hpp>
-#include <boost/assert.hpp>
-#include <boost/detail/workaround.hpp>
-#include <boost/system/system_error.hpp>
-#include <boost/system/error_code.hpp>
-#include <string>
-
-#if !defined(BOOST_NO_INCLASS_MEMBER_INITIALIZATION) && !BOOST_WORKAROUND(BOOST_MSVC, BOOST_TESTED_AT(1600))
-//  A definition is required even for integral static constants
-const bool boost::random::random_device::has_fixed_range;
-#endif
-
-// WinRT target.
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-# if defined(__cplusplus_winrt)
-#  include <winapifamily.h>
-#  if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
-#   define BOOST_RANDOM_WINDOWS_RUNTIME 1
-#  endif
-# endif
-#endif
-
-#if defined(BOOST_WINDOWS)
-
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-#include <windows.h>
-#include <wincrypt.h>
-#include <stdexcept>  // std::invalid_argument
-#else
-using namespace Platform;
-using namespace Windows::Security::Cryptography;
-#endif
-
-#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
-
-namespace {
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-const char * const default_token = MS_DEF_PROV_A;
-#else
-const char * const default_token = "";
-#endif
-}
-
-class boost::random::random_device::impl
-{
-public:
-  impl(const std::string & token) : provider(token) {
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-    char buffer[80];
-    DWORD type;
-    DWORD len;
-
-    // Find the type of a specific provider
-    for(DWORD i = 0; ; ++i) {
-      len = sizeof(buffer);
-      if(!CryptEnumProvidersA(i, NULL, 0, &type, buffer, &len)) {
-        if (GetLastError() == ERROR_NO_MORE_ITEMS) break;
-        continue;
-      }
-      if(buffer == provider) {
-        break;
-      }
-    }
-
-    if(!CryptAcquireContextA(&hProv, NULL, provider.c_str(), type,
-        CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) {
-      error("Could not acquire CSP context");
-    }
-#endif
-  }
-
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-  ~impl() {
-    if(!CryptReleaseContext(hProv, 0)) error("Could not release CSP context");
-  }
-#endif
-
-  unsigned int next() {
-    unsigned int result;
-
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-    if(!CryptGenRandom(hProv, sizeof(result),
-        static_cast<BYTE*>(static_cast<void*>(&result)))) {
-      error("error while reading");
-    }
-#else
-    auto buffer = CryptographicBuffer::GenerateRandom(sizeof(result));
-    auto data = ref new Array<unsigned char>(buffer->Length);
-    CryptographicBuffer::CopyToByteArray(buffer, &data);
-    memcpy(&result, data->begin(), data->end() - data->begin());
-#endif
-
-    return result;
-  }
-
-private:
-#if !defined(BOOST_RANDOM_WINDOWS_RUNTIME)
-  void error(const char * msg) {
-    DWORD error_code = GetLastError();
-    boost::throw_exception(
-      boost::system::system_error(
-        error_code, boost::system::system_category(),
-        std::string("boost::random_device: ") + msg + 
-        " Cryptographic Service Provider " + provider));
-  }
-  HCRYPTPROV hProv;
-#endif
-  const std::string provider;
-};
-
-#else
-
-namespace {
-// the default is the unlimited capacity device, using some secure hash
-// try "/dev/random" for blocking when the entropy pool has drained
-const char * const default_token = "/dev/urandom";
-}
-
-/*
- * This uses the POSIX interface for unbuffered reading.
- * Using buffered std::istream would consume entropy which may
- * not actually be used.  Entropy is a precious good we avoid
- * wasting.
- */
-
-#if defined(__GNUC__) && defined(_CXXRT_STD_NAME)
-// I have severe difficulty to get the POSIX includes to work with
-// -fhonor-std and Dietmar Kuhl's standard C++ library.  Hack around that
-// problem for now.
-extern "C" {
-static const int O_RDONLY = 0;
-extern int open(const char *__file, int __oflag, ...);
-extern int read(int __fd, __ptr_t __buf, size_t __nbytes);
-extern int close(int __fd);
-}
-#else
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>    // open
-#include <unistd.h>   // read, close
-#endif
-
-#include <errno.h>    // errno
-#include <string.h>   // strerror
-#include <stdexcept>  // std::invalid_argument
-
-
-class boost::random::random_device::impl
-{
-public:
-  impl(const std::string & token) : path(token) {
-    fd = open(token.c_str(), O_RDONLY);
-    if(fd < 0)
-      error("cannot open");
-  }
-
-  ~impl() { if(close(fd) < 0) error("could not close"); }
-
-  unsigned int next() {
-    unsigned int result;
-    std::size_t offset = 0;
-    do {
-      long sz = read(fd, reinterpret_cast<char *>(&result) + offset, sizeof(result) - offset);
-      if(sz == -1)
-        error("error while reading");
-      else if(sz == 0) {
-        errno = 0;
-        error("EOF while reading");
-      }
-      offset += sz;
-    } while(offset < sizeof(result));
-    return result;
-  }
-
-private:
-  void error(const char * msg) {
-    int error_code = errno;
-    boost::throw_exception(
-      boost::system::system_error(
-        error_code, boost::system::system_category(),
-        std::string("boost::random_device: ") + msg + 
-        " random-number pseudo-device " + path));
-  }
-  const std::string path;
-  int fd;
-};
-
-#endif // BOOST_WINDOWS
-
-BOOST_RANDOM_DECL boost::random::random_device::random_device()
-  : pimpl(new impl(default_token))
-{}
-
-BOOST_RANDOM_DECL boost::random::random_device::random_device(const std::string& token)
-  : pimpl(new impl(token))
-{}
-
-BOOST_RANDOM_DECL boost::random_device::~random_device()
-{
-  delete pimpl;
-}
-
-BOOST_RANDOM_DECL double boost::random_device::entropy() const
-{
-  return 10;
-}
-
-BOOST_RANDOM_DECL unsigned int boost::random_device::operator()()
-{
-  return pimpl->next();
-}