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Fix possible unsigned underflow warnings.

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This commit is contained in:
Ion Gaztañaga
2020-08-09 23:26:34 +02:00
parent 716ade8e56
commit e0c7cb99b3
1 changed files with 22 additions and 11 deletions
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33
include/boost/container/detail/copy_move_algo.hpp
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@@ -341,7 +341,8 @@ inline typename dtl::disable_if_memtransfer_copy_constructible<I, F, F>::type
{ {
F back = r; F back = r;
BOOST_TRY{ BOOST_TRY{
while (n--) { while (n) {
--n;
allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), boost::move(*f)); allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), boost::move(*f));
++f; ++r; ++f; ++r;
} }
@@ -386,7 +387,8 @@ inline typename dtl::disable_if_memtransfer_copy_constructible<I, F, I>::type
{ {
F back = r; F back = r;
BOOST_TRY{ BOOST_TRY{
while (n--) { while (n) {
--n;
allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), boost::move(*f)); allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), boost::move(*f));
++f; ++r; ++f; ++r;
} }
@@ -476,7 +478,8 @@ inline typename dtl::disable_if_memtransfer_copy_constructible<I, F, F>::type
{ {
F back = r; F back = r;
BOOST_TRY{ BOOST_TRY{
while (n--) { while (n) {
--n;
allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), *f); allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), *f);
++f; ++r; ++f; ++r;
} }
@@ -565,7 +568,8 @@ inline typename dtl::disable_if_memzero_initializable<F, F>::type
{ {
F back = r; F back = r;
BOOST_TRY{ BOOST_TRY{
while (n--) { while (n) {
--n;
allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r)); allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r));
++r; ++r;
} }
@@ -614,7 +618,8 @@ inline F uninitialized_default_init_alloc_n(Allocator &a, typename boost::contai
{ {
F back = r; F back = r;
BOOST_TRY{ BOOST_TRY{
while (n--) { while (n) {
--n;
allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), default_init); allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), default_init);
++r; ++r;
} }
@@ -686,7 +691,8 @@ inline F uninitialized_fill_alloc_n(Allocator &a, const T &v, typename boost::co
{ {
F back = r; F back = r;
BOOST_TRY{ BOOST_TRY{
while (n--) { while (n) {
--n;
allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), v); allocator_traits<Allocator>::construct(a, boost::movelib::iterator_to_raw_pointer(r), v);
++r; ++r;
} }
@@ -769,7 +775,8 @@ typename F> // F models ForwardIterator
inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type
copy_n_source(I f, U n, F r) copy_n_source(I f, U n, F r)
{ {
while (n--) { while (n) {
--n;
boost::container::assign_in_place(r, f); boost::container::assign_in_place(r, f);
++f; ++r; ++f; ++r;
} }
@@ -797,7 +804,8 @@ typename F> // F models ForwardIterator
inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type
copy_n_source_dest(I f, U n, F &r) copy_n_source_dest(I f, U n, F &r)
{ {
while (n--) { while (n) {
--n;
*r = *f; *r = *f;
++f; ++r; ++f; ++r;
} }
@@ -851,7 +859,8 @@ typename F> // F models ForwardIterator
inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, F>::type inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, F>::type
move_n(I f, U n, F r) move_n(I f, U n, F r)
{ {
while (n--) { while (n) {
--n;
*r = ::boost::move(*f); *r = ::boost::move(*f);
++f; ++r; ++f; ++r;
} }
@@ -914,7 +923,8 @@ template
inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type
move_n_source_dest(I f, U n, F &r) move_n_source_dest(I f, U n, F &r)
{ {
while (n--) { while (n) {
--n;
*r = ::boost::move(*f); *r = ::boost::move(*f);
++f; ++r; ++f; ++r;
} }
@@ -942,7 +952,8 @@ template
inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type inline typename dtl::disable_if_memtransfer_copy_assignable<I, F, I>::type
move_n_source(I f, U n, F r) move_n_source(I f, U n, F r)
{ {
while (n--) { while (n) {
--n;
*r = ::boost::move(*f); *r = ::boost::move(*f);
++f; ++r; ++f; ++r;
} }