small cleanup in src/compat .h and .cpp

- add license header
- fix include guards
- fix indentation

src/compat/glibc_compat.cpp

@@ -1,19 +1,28 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#if defined(HAVE_CONFIG_H)
 #include "bitcoin-config.h"
+#endif
+
 #include <cstddef>
+#if defined(HAVE_SYS_SELECT_H)
 #include <sys/select.h>
+#endif
 
 // Prior to GLIBC_2.14, memcpy was aliased to memmove.
 extern "C" void* memmove(void* a, const void* b, size_t c);
 extern "C" void* memcpy(void* a, const void* b, size_t c)
 {
-  return memmove(a, b, c);
+    return memmove(a, b, c);
 }
 
 extern "C" void __chk_fail (void) __attribute__((__noreturn__));
 extern "C" FDELT_TYPE __fdelt_warn(FDELT_TYPE a)
 {
-  if (a >= FD_SETSIZE)
-    __chk_fail ();
-  return a / __NFDBITS;
+    if (a >= FD_SETSIZE)
+        __chk_fail ();
+    return a / __NFDBITS;
 }
 extern "C" FDELT_TYPE __fdelt_chk(FDELT_TYPE) __attribute__((weak, alias("__fdelt_warn")));

src/compat/glibc_sanity.cpp

@@ -1,4 +1,10 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#if defined(HAVE_CONFIG_H)
 #include "bitcoin-config.h"
+#endif
 
 #include <cstddef>
 #if defined(HAVE_SYS_SELECT_H)
@@ -8,7 +14,7 @@
 extern "C" void* memcpy(void* a, const void* b, size_t c);
 void* memcpy_int(void* a, const void* b, size_t c)
 {
-  return memcpy(a,b,c);
+    return memcpy(a,b,c);
 }
 
 namespace {

src/compat/glibcxx_compat.cpp

@@ -1,49 +1,55 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 #include <cstddef>
 #include <istream>
 #include <stdexcept>
 #include <typeinfo>
 
 #ifndef _GLIBCXX_USE_NOEXCEPT
-    #define _GLIBCXX_USE_NOEXCEPT throw()
+#define _GLIBCXX_USE_NOEXCEPT throw()
 #endif
 
 namespace std {
 
 const char* bad_exception::what() const throw()
 {
-  return "std::bad_exception";
+    return "std::bad_exception";
 }
 
 const char* bad_cast::what() const throw()
 {
-  return "std::bad_cast";
+    return "std::bad_cast";
 }
 
 const char* bad_alloc::what() const throw()
 {
-  return "std::bad_alloc";
+    return "std::bad_alloc";
 }
 
 namespace __detail
 {
 struct _List_node_base
 {
-  void _M_hook(std::__detail::_List_node_base* const __position) throw () __attribute__((used))
-  {
-    _M_next = __position;
-    _M_prev = __position->_M_prev;
-    __position->_M_prev->_M_next = this;
-    __position->_M_prev = this;
-  }
-  void _M_unhook() __attribute__((used))
-  {
-    _List_node_base* const __next_node = _M_next;
-    _List_node_base* const __prev_node = _M_prev;
-    __prev_node->_M_next = __next_node;
-    __next_node->_M_prev = __prev_node;
-  }
-  _List_node_base* _M_next;
-  _List_node_base* _M_prev;
+    void _M_hook(std::__detail::_List_node_base* const __position) throw () __attribute__((used))
+    {
+        _M_next = __position;
+        _M_prev = __position->_M_prev;
+        __position->_M_prev->_M_next = this;
+        __position->_M_prev = this;
+    }
+
+    void _M_unhook() __attribute__((used))
+    {
+        _List_node_base* const __next_node = _M_next;
+        _List_node_base* const __prev_node = _M_prev;
+        __prev_node->_M_next = __next_node;
+        __next_node->_M_prev = __prev_node;
+    }
+
+    _List_node_base* _M_next;
+    _List_node_base* _M_prev;
 };
 } // namespace detail
 
@@ -61,8 +67,8 @@ out_of_range::~out_of_range() _GLIBCXX_USE_NOEXCEPT { }
 // Used with permission.
 // See: https://github.com/madlib/madlib/commit/c3db418c0d34d6813608f2137fef1012ce03043d
 
-void
-ctype<char>::_M_widen_init() const {
+void ctype<char>::_M_widen_init() const
+{
     char __tmp[sizeof(_M_widen)];
     for (unsigned __i = 0; __i < sizeof(_M_widen); ++__i)
         __tmp[__i] = __i;

src/compat/glibcxx_sanity.cpp

@@ -1,5 +1,9 @@
-#include <locale>
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 #include <list>
+#include <locale>
 #include <stdexcept>
 
 namespace{

src/compat/sanity.h

@@ -1,7 +1,11 @@
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
 #ifndef BITCON_COMPAT_SANITY_H
 #define BITCON_COMPAT_SANITY_H
 
 bool glibc_sanity_test();
 bool glibcxx_sanity_test();
 
-#endif
+#endif // BITCON_COMPAT_SANITY_H