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buffer: rename iterator copy() to copy_deep()

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Current callers expect a deep copy; be explicit about it.

Signed-off-by: Sage Weil <sage@redhat.com>
This commit is contained in:
Sage Weil 2016-09-18 19:09:36 -05:00
parent 1917d85392
commit 6d7f748653
6 changed files with 18 additions and 10 deletions
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2
src/auth/Crypto.cc
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@ -384,7 +384,7 @@ void CryptoKey::decode(bufferlist::iterator& bl)
__u16 len;
::decode(len, bl);
bufferptr tmp;
bl.copy(len, tmp);
bl.copy_deep(len, tmp);
if (_set_secret(type, tmp) < 0)
throw buffer::malformed_input("malformed secret");
}

14
src/common/buffer.cc
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@ -1149,8 +1149,11 @@ static simple_spinlock_t buffer_debug_lock = SIMPLE_SPINLOCK_INITIALIZER;
}
template<bool is_const>
void buffer::list::iterator_impl<is_const>::copy(unsigned len, ptr &dest)
void buffer::list::iterator_impl<is_const>::copy_deep(unsigned len, ptr &dest)
{
if (p == ls->end())
throw end_of_buffer();
assert(p->length() > 0);
dest = create(len);
copy(len, dest.c_str());
}
@ -1298,9 +1301,14 @@ static simple_spinlock_t buffer_debug_lock = SIMPLE_SPINLOCK_INITIALIZER;
return buffer::list::iterator_impl<false>::copy(len, dest);
}
void buffer::list::iterator::copy(unsigned len, ptr &dest)
void buffer::list::iterator::copy_deep(unsigned len, ptr &dest)
{
buffer::list::iterator_impl<false>::copy(len, dest);
buffer::list::iterator_impl<false>::copy_deep(len, dest);
}
void buffer::list::iterator::copy_shallow(unsigned len, ptr &dest)
{
buffer::list::iterator_impl<false>::copy_shallow(len, dest);
}
void buffer::list::iterator::copy(unsigned len, list &dest)

4
src/include/buffer.h
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@ -320,7 +320,7 @@ namespace buffer CEPH_BUFFER_API {
// copy data out.
// note that these all _append_ to dest!
void copy(unsigned len, char *dest);
void copy(unsigned len, ptr &dest);
void copy_deep(unsigned len, ptr &dest);
void copy(unsigned len, list &dest);
void copy(unsigned len, std::string &dest);
void copy_all(list &dest);
@ -360,7 +360,7 @@ namespace buffer CEPH_BUFFER_API {
// copy data out
void copy(unsigned len, char *dest);
void copy(unsigned len, ptr &dest);
void copy_deep(unsigned len, ptr &dest);
void copy(unsigned len, list &dest);
void copy(unsigned len, std::string &dest);
void copy_all(list &dest);

2
src/include/small_encoding.h
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@ -251,7 +251,7 @@ template<typename T>
inline void small_decode_buf_lowz(T& bp, bufferlist::iterator& p) {
size_t l;
small_decode_varint_lowz(l, p);
p.copy(l, bp);
p.copy_deep(l, bp);
}
// STL containers

4
src/test/bufferlist.cc
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@ -1216,12 +1216,12 @@ TEST(BufferListIterator, copy) {
EXPECT_EQ(0, ::memcmp(copy, expected, 3));
}
//
// void buffer::list::iterator::copy(unsigned len, ptr &dest)
// void buffer::list::iterator::copy_deep(unsigned len, ptr &dest)
//
{
bufferptr ptr;
bufferlist::iterator i(&bl);
i.copy(2, ptr);
i.copy_deep(2, ptr);
EXPECT_EQ((unsigned)2, ptr.length());
EXPECT_EQ('A', ptr[0]);
EXPECT_EQ('B', ptr[1]);

2
src/test/librados_test_stub/TestMemIoCtxImpl.cc
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@ -550,7 +550,7 @@ void TestMemIoCtxImpl::append_clone(bufferlist& src, bufferlist* dest) {
if (src.length() > 0) {
bufferlist::iterator iter = src.begin();
buffer::ptr ptr;
iter.copy(src.length(), ptr);
iter.copy_deep(src.length(), ptr);
dest->append(ptr);
}
}