openmpi/opal/class/opal_value_array.c

67 lines
1.9 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2007 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include "opal/class/opal_value_array.h"
static void opal_value_array_construct(opal_value_array_t* array)
{
array->array_items = NULL;
array->array_size = 0;
array->array_item_sizeof = 0;
array->array_alloc_size = 0;
}
static void opal_value_array_destruct(opal_value_array_t* array)
{
if (NULL != array->array_items)
free(array->array_items);
}
OBJ_CLASS_INSTANCE(
opal_value_array_t,
opal_object_t,
opal_value_array_construct,
opal_value_array_destruct
);
int opal_value_array_set_size(opal_value_array_t* array, size_t size)
{
#if OPAL_ENABLE_DEBUG
if(array->array_item_sizeof == 0) {
opal_output(0, "opal_value_array_set_size: item size must be initialized");
return OPAL_ERR_BAD_PARAM;
}
#endif
if(size > array->array_alloc_size) {
while(array->array_alloc_size < size)
array->array_alloc_size <<= 1;
array->array_items = (unsigned char *)realloc(array->array_items,
array->array_alloc_size * array->array_item_sizeof);
if (NULL == array->array_items)
return OPAL_ERR_OUT_OF_RESOURCE;
}
array->array_size = size;
return OPAL_SUCCESS;
}