File: [OMI] / omi / mof / buffer.c
(download)
Revision: 1.1,
Wed May 30 21:47:39 2012 UTC (12 years, 1 month ago) by mike
Branch: MAIN
Initial revision
|
/*
**==============================================================================
**
** Open Management Infrastructure (OMI)
**
** Copyright (c) Microsoft Corporation
**
** Licensed under the Apache License, Version 2.0 (the "License"); you may not
** use this file except in compliance with the License. You may obtain a copy
** of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
** KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
** WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
** MERCHANTABLITY OR NON-INFRINGEMENT.
**
** See the Apache 2 License for the specific language governing permissions
** and limitations under the License.
**
**==============================================================================
*/
#include <string.h>
#include <stdlib.h>
#include "buffer.h"
#include "heap.h"
#include "state.h"
#if 0 /* ATTN:REMOVE */
int Buffer_Init(Buffer* self, size_t capacity)
{
size_t r = 16;
while (r < capacity)
r *= 2;
if (!(self->data = (char*)MOF_Malloc(&state.heap, r)))
return -1;
self->size = 0;
self->capacity = r;
return 0;
}
#endif
int Buffer_Append(Buffer* self, const void* data , size_t size)
{
size_t capacity;
if (!self || !data)
return -1;
capacity = self->size + size;
/* Grow buffer if neceessary */
if (capacity > self->capacity)
{
size_t r = 16;
while (r < capacity)
r *= 2;
self->data = (char*)MOF_Realloc(&state.heap, self->data, r);
if (!self->data)
return -1;
self->capacity = r;
}
/* Copy the data */
memcpy((char*)self->data + self->size, data, size);
self->size += size;
return 0;
}