/*
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
/* Allocations from large blocks, no individual free's */
#include "hprof.h"
/*
* This file contains some allocation code that allows you
* to have space allocated via larger blocks of space.
* The only free allowed is of all the blocks and all the elements.
* Elements can be of different alignments and fixed or variable sized.
* The space allocated never moves.
*
*/
/* Get the real size allocated based on alignment and bytes needed */
static int
{
if ( alignment > 1 ) {
int wasted;
}
}
return nbytes;
}
/* Add a new current_block to the Blocks* chain, adjust size if nbytes big. */
static void
{
int header_size;
int block_size;
HPROF_ASSERT(nbytes>0);
if ( nbytes > block_size ) {
}
/* Link in new block */
}
}
}
/* Initialize a new Blocks */
Blocks *
{
return blocks;
}
/* Allocate bytes from a Blocks area. */
void *
{
int pos;
void *ptr;
HPROF_ASSERT(nbytes>=0);
if ( nbytes == 0 ) {
return NULL;
}
}
return ptr;
}
/* Terminate the Blocks */
void
{
block = next_block;
}
}