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/*
* This file is part of libdyn.a, the C Dynamic Object library. It
* contains the source code for the internal function _DynRealloc().
*
* There are no restrictions on this code; however, if you make any
* changes, I request that you document them so that I do not get
* credit or blame for your modifications.
*
* Written by Barr3y Jaspan, Student Information Processing Board (SIPB)
* and MIT-Project Athena, 1989.
*/
#include <stdio.h>
#include "dynP.h"
/*
* Ideally, this function should not be called from outside the
* library. However, nothing will break if it is.
*/
int
_DynRealloc(DynObject obj,
int num_incs)
{
DynPtr temp;
int new_size_in_bytes;
new_size_in_bytes = obj->el_size*(obj->size + obj->inc*num_incs);
if (obj->debug)
fprintf(stderr,
"dyn: alloc: Increasing object by %d bytes (%d incs).\n",
obj->el_size*obj->inc*num_incs, num_incs);
temp = (DynPtr) realloc(obj->array, new_size_in_bytes);
if (temp == NULL) {
if (obj->debug)
fprintf(stderr, "dyn: alloc: Out of memory.\n");
return DYN_NOMEM;
}
else {
obj->array = temp;
obj->size += obj->inc*num_incs;
}
if (obj->debug)
fprintf(stderr, "dyn: alloc: done.\n");
return DYN_OK;
}
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