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BUG: Fixed hash_allocator_n size computation.

This commit is contained in:
Brad King 2005-04-21 16:46:39 -04:00
parent e079b660c3
commit cf8a3a1521
1 changed files with 38 additions and 14 deletions
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52
Source/kwsys/hashtable.hxx.in
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@ -82,7 +82,7 @@ namespace @KWSYS_NAMESPACE@
// Utility functions to convert item counts.
inline size_t hash_sizeof(void*) { return sizeof(char); }
inline size_t hash_sizeof(const void*) { return sizeof(char); }
template <class TPtr> inline size_t hash_sizeof(TPtr p) { return sizeof(p); }
template <class TPtr> inline size_t hash_sizeof(TPtr p) { return sizeof(*p); }
template <class POut, class PIn, class TSize>
inline TSize hash_allocator_n(POut out, PIn in, TSize n)
{
@ -154,34 +154,56 @@ inline void hash_allocate(void*, PIn (*allocate)(TSize),
// The extra three int/long arguments will favor certain signatures
// over others in the case that multiple are present to avoid
// ambiguity errors.
template <class TAlloc, class PIn, class TSize>
template <class TAlloc, class PIn, class TSize, class PInReal, class POut>
inline void hash_deallocate(TAlloc* a, void (TAlloc::*deallocate)(PIn, TSize),
void* p, TSize n, int, int, int)
PInReal, POut p, TSize n_out, int, int, int)
{
(a->*deallocate)(static_cast<PIn>(p), n);
TSize n_in = hash_allocator_n(POut(), PInReal(), n_out);
void* vout = p;
(a->*deallocate)(static_cast<PIn>(vout), n_in);
}
template <class TAlloc, class PIn, class TSize>
template <class TAlloc, class PIn, class TSize, class PInReal, class POut>
inline void hash_deallocate(TAlloc* a, void (TAlloc::*deallocate)(PIn),
void* p, TSize, int, int, long)
PInReal, POut p, TSize, int, int, long)
{
(a->*deallocate)(static_cast<PIn>(p));
void* vout = p;
(a->*deallocate)(static_cast<PIn>(vout));
}
template <class PIn, class TSize>
template <class PIn, class TSize, class PInReal, class POut>
inline void hash_deallocate(void*, void (*deallocate)(PIn, TSize),
void* p, TSize n, int, long, long)
PInReal, POut p, TSize n_out, int, long, long)
{
deallocate(static_cast<PIn>(p), n);
TSize n_in = hash_allocator_n(POut(), PInReal(), n_out);
void* vout = p;
deallocate(static_cast<PIn>(vout), n_in);
}
template <class PIn, class TSize>
template <class PIn, class TSize, class PInReal, class POut>
inline void hash_deallocate(void*, void (*deallocate)(PIn),
void* p, TSize, long, long, long)
PInReal, POut p, TSize, long, long, long)
{
deallocate(static_cast<PIn>(p));
void* vout = p;
deallocate(static_cast<PIn>(vout));
}
// Use the same four overloads as hash_allocate to decode the type
// really used for allocation. This is passed as PInReal to the
// deallocate functions so that hash_allocator_n has the proper size.
template <class TAlloc, class PIn, class TSize, class THint>
inline PIn hash_allocate_type(PIn (TAlloc::*)(TSize, THint),
int, int, int) { return 0; }
template <class TAlloc, class PIn, class TSize>
inline PIn hash_allocate_type(PIn (TAlloc::*)(TSize),
int, int, long) { return 0; }
template <class PIn, class TSize, class THint>
inline PIn hash_allocate_type(PIn (*)(TSize, THint),
int, long, long) { return 0; }
template <class PIn, class TSize>
inline PIn hash_allocate_type(PIn (*)(TSize),
long, long, long) { return 0; }
// Define the comparison operators in terms of a base type to avoid
// needing templated versions.
class hash_allocator_base {};
@ -239,7 +261,9 @@ public:
{
if(n)
{
hash_deallocate(&alloc_, &alloc_type::deallocate, p, n, 1, 1, 1);
hash_deallocate(&alloc_, &alloc_type::deallocate,
hash_allocate_type(&alloc_type::allocate, 1, 1, 1),
p, n, 1, 1, 1);
}
}
#if @KWSYS_NAMESPACE@_STL_HAS_ALLOCATOR_MAX_SIZE_ARGUMENT