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// Obstack.cpp
// $Id$
#define ACE_BUILD_DLL
#include "ace/Obstack.h"
ACE_ALLOC_HOOK_DEFINE(ACE_Obstack)
void
ACE_Obstack::dump (void) const
{
ACE_TRACE ("ACE_Obstack::dump");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, "size_ = %d\n", this->size_));
ACE_DEBUG ((LM_DEBUG, "head_ = %x\n", this->head_));
ACE_DEBUG ((LM_DEBUG, "curr_ = %x\n", this->curr_));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}
ACE_ALLOC_HOOK_DEFINE(ACE_Obchunk)
void
ACE_Obchunk::dump (void) const
{
ACE_TRACE ("ACE_Obchunk::dump");
ACE_DEBUG ((LM_DEBUG, ACE_BEGIN_DUMP, this));
ACE_DEBUG ((LM_DEBUG, "end_ = %x\n", this->end_));
ACE_DEBUG ((LM_DEBUG, "cur_ = %x\n", this->cur_));
ACE_DEBUG ((LM_DEBUG, ACE_END_DUMP));
}
class ACE_Obchunk *
ACE_Obstack::new_chunk (void)
{
ACE_TRACE ("ACE_Obstack::new_chunk");
class ACE_Obchunk *temp = (class ACE_Obchunk *)
new char[sizeof (class ACE_Obchunk) + this->size_];
if (temp == 0)
{
errno = ENOMEM;
return 0;
}
temp->next_ = 0;
temp->end_ = temp->contents_ + this->size_;
temp->cur_ = temp->contents_;
return temp;
}
ACE_Obstack::ACE_Obstack (int sz)
: size_ (sz),
head_ (0)
{
ACE_TRACE ("ACE_Obstack::ACE_Obstack");
this->head_ = this->new_chunk ();
this->curr_ = this->head_;
}
ACE_Obstack::~ACE_Obstack (void)
{
ACE_TRACE ("ACE_Obstack::~ACE_Obstack");
class ACE_Obchunk *temp = this->head_;
while (temp != 0)
{
class ACE_Obchunk *next = temp->next_;
temp->next_ = 0;
delete [] temp;
temp = next;
}
}
char *
ACE_Obstack::copy (const char *s,
size_t len)
{
ACE_TRACE ("ACE_Obstack::copy");
char *result;
ACE_ASSERT (this->size_ >= len + 1);
// Check whether we need to grow our chunk...
if (this->curr_->cur_ + len + 1 >= this->curr_->end_)
{
// Check whether we can just reuse previously allocated memory.
if (this->curr_->next_ == 0)
{
this->curr_->next_ = this->new_chunk ();
this->curr_ = this->curr_->next_;
}
else
{
this->curr_ = this->curr_->next_;
this->curr_->cur_ = this->curr_->contents_;
}
}
result = this->curr_->cur_;
ACE_OS::memcpy (result, s, len);
result[len] = '\0';
this->curr_->cur_ += (len + 1);
return result;
}
void
ACE_Obstack::release (void)
{
ACE_TRACE ("ACE_Obstack::release");
this->curr_ = this->head_;
this->curr_->cur_ = this->curr_->contents_;
}
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