Adds iterator singular check within the valid range check.
* include/debug/functions.h: Remove <bits/move.h> include.
(__check_singular_aux, __check_singular): Move...
* include/debug/helper_functions.h:
(__check_singular_aux, __check_singular): ...here.
(__valid_range_aux): Adapt to use latter.
Add <bits/move.h> include.
* testsuite/25_algorithms/copy/debug/2_neg.cc: New.
From-SVN: r278658
+2019-11-24 François Dumont <fdumont@gcc.gnu.org>
+
+ * include/debug/functions.h: Remove <bits/move.h> include.
+ (__check_singular_aux, __check_singular): Move...
+ * include/debug/helper_functions.h:
+ (__check_singular_aux, __check_singular): ...here.
+ (__valid_range_aux): Adapt to use latter.
+ * testsuite/25_algorithms/copy/debug/2_neg.cc: New.
+
2019-11-20 Janne Blomqvist <jb@gcc.gnu.org>
* doc/html/api.html: Use https for gcc.gnu.org.
* doc/xml/manual/codecvt.xml: Switch pubs.opengroup.org to https.
* doc/xml/manual/locale.xml (LC_ALL): Ditto.
* doc/xml/manual/messages.xml: Ditto.
-
+
2019-10-26 John David Anglin <danglin@gcc.gnu.org>
* config/abi/post/hppa-linux-gnu/baseline_symbols.txt: Update.
pubs.opengroup.org to https.
2019-10-25 Gerald Pfeifer <gerald@pfeifer.com>
-
+
* doc/xml/gnu/gpl-3.0.xml: Switch www.gnu.org to https.
2019-09-09 Edward Smith-Rowland <3dw4rd@verizon.net>
PSTL backend if no TBB present.
* testsuite/utils/pstl/test_utils.h: Remove check for
_PSTL_USE_PAR_POLICIES
-
+
2019-06-07 Jonathan Wakely <jwakely@redhat.com>
* testsuite/24_iterators/container_access.cc: Move dg-options before
Document PSTL linker flags
* doc/xml/manual/using.xml: Add PSTL linker flags to table 3.1.
-
+
2019-04-23 Jonathan Wakely <jwakely@redhat.com>
* include/std/variant (__detail::__variant::_Traits): Make
* include/bits/c++config: Remove explicit PSTL configuration
macros and use definitions from <pstl/pstl_config.h>.
-
+
2019-04-20 Thomas Rodgers <trodgers@redhat.com>
Cleanup algorithm implementations
(equal): Qualify call to std::equal().
(partial_sort): Forward execution policy.
(inplace_merge): Forward execution policy.
-
+
2019-04-19 Thomas Rodgers <trodgers@redhat.com>
-
+
Improve implementation of parallel equal()
* include/pstl/algorithm_impl.h
(__internal::__brick_equal): use "4 iterator" version of
* include/pstl/glue_algorithm_impl.h
(std::equal): dispatch to "4 iterator" version of
__internal::__pattern_equal().
-
+
2019-04-17 Jonathan Wakely <jwakely@redhat.com>
PR libstdc++/90105
* testsuite/20_util/optional/observers/4.cc: Likewise.
2019-04-12 Thomas Rodgers <trodgers@redhat.com>
-
+
* include/pstl/algorithm_impl.h: Uglify identfiers.
* include/pstl/numeric_impl.h: Uglify identfiers.
* include/pstl/parallel_backend_tbb.h: Uglify identfiers.
avoid -Wconversion warnings.
2019-03-21 Thomas Rodgers <trodgers@redhat.com>
-
+
* include/Makefile.am (std_header): Add ${std_srcdir}/execution.
(pstl_srcdir, pstl_builddir, pstl_headers): New variables.
(allstamped): Add stamp-pstl.
#ifndef _GLIBCXX_DEBUG_FUNCTIONS_H
#define _GLIBCXX_DEBUG_FUNCTIONS_H 1
-#include <bits/move.h> // for __addressof
#include <bits/stl_function.h> // for less
#if __cplusplus >= 201103L
template<typename _Sequence>
struct _Is_contiguous_sequence : std::__false_type { };
- // An arbitrary iterator pointer is not singular.
- inline bool
- __check_singular_aux(const void*) { return false; }
-
- // We may have an iterator that derives from _Safe_iterator_base but isn't
- // a _Safe_iterator.
- template<typename _Iterator>
- inline bool
- __check_singular(const _Iterator& __x)
- { return __check_singular_aux(std::__addressof(__x)); }
-
- /** Non-NULL pointers are nonsingular. */
- template<typename _Tp>
- inline bool
- __check_singular(const _Tp* __ptr)
- { return __ptr == 0; }
-
/* Checks that [first, last) is a valid range, and then returns
* __first. This routine is useful when we can't use a separate
* assertion statement because, e.g., we are in a constructor.
#ifndef _GLIBCXX_DEBUG_HELPER_FUNCTIONS_H
#define _GLIBCXX_DEBUG_HELPER_FUNCTIONS_H 1
+#include <bits/move.h> // for __addressof
#include <bits/stl_iterator_base_types.h> // for iterator_traits,
// categories and _Iter_base
#include <bits/cpp_type_traits.h> // for __is_integer
__get_distance(_Iterator __lhs, _Iterator __rhs)
{ return __get_distance(__lhs, __rhs, std::__iterator_category(__lhs)); }
+ // An arbitrary iterator pointer is not singular.
+ inline bool
+ __check_singular_aux(const void*) { return false; }
+
+ // We may have an iterator that derives from _Safe_iterator_base but isn't
+ // a _Safe_iterator.
+ template<typename _Iterator>
+ inline bool
+ __check_singular(_Iterator const& __x)
+ { return __check_singular_aux(std::__addressof(__x)); }
+
+ /** Non-NULL pointers are nonsingular. */
+ template<typename _Tp>
+ inline bool
+ __check_singular(_Tp* const& __ptr)
+ { return __ptr == 0; }
+
/** We say that integral types for a valid range, and defer to other
* routines to realize what to do with integral types instead of
* iterators.
inline bool
__valid_range_aux(_InputIterator __first, _InputIterator __last,
std::input_iterator_tag)
- { return true; }
+ {
+ return __first == __last
+ || (!__check_singular(__first) && !__check_singular(__last));
+ }
template<typename _InputIterator>
_GLIBCXX_CONSTEXPR
inline bool
__valid_range_aux(_InputIterator __first, _InputIterator __last,
std::random_access_iterator_tag)
- { return __first <= __last; }
+ {
+ return
+ __valid_range_aux(__first, __last, std::input_iterator_tag{})
+ && __first <= __last;
+ }
/** We have iterators, so figure out what kind of iterators they are
* to see if we can check the range ahead of time.
typename _Distance_traits<_InputIterator>::__type& __dist,
std::__false_type)
{
+ if (!__valid_range_aux(__first, __last, std::input_iterator_tag{}))
+ return false;
+
__dist = __get_distance(__first, __last);
switch (__dist.second)
{
--- /dev/null
+// Copyright (C) 2019 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library. This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3. If not see
+// <http://www.gnu.org/licenses/>.
+
+// 25.2.1 [lib.alg.copy] Copy.
+
+// { dg-do run { xfail *-*-* } }
+// { dg-require-debug-mode "" }
+
+#include <algorithm>
+
+void
+test01()
+{
+ int arr[] = { 0, 1, 2, 3, 4 };
+ std::copy((int*)0, arr + 5, arr);
+}
+
+int
+main()
+{
+ test01();
+ return 0;
+}
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