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labcomm_dynamic_buffer_writer.c
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Start of adding GPLv3 licensensing.
Anders Blomdell authoredStart of adding GPLv3 licensensing.
labcomm_dynamic_buffer_writer.c 3.79 KiB
/*
labcomm_dynamic_buffer_writer.c -- LabComm dynamic memory writer.
Copyright 2006-2013 Anders Blomdell <anders.blomdell@control.lth.se>
This file is part of LabComm.
LabComm is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LabComm is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <errno.h>
#include <stdlib.h>
#include <stdarg.h>
#include "labcomm.h"
#include "labcomm_private.h"
#include "labcomm_ioctl.h"
#include "labcomm_dynamic_buffer_writer.h"
static int dyn_alloc(struct labcomm_writer *w,
struct labcomm_writer_action_context *action_context,
struct labcomm_encoder *encoder,
char *labcomm_version)
{
w->data_size = 1000;
w->count = w->data_size;
w->data = malloc(w->data_size);
if (w->data == NULL) {
w->error = -ENOMEM;
}
w->pos = 0;
return w->error;
}
static int dyn_free(struct labcomm_writer *w,
struct labcomm_writer_action_context *action_context)
{
free(w->data);
w->data = 0;
w->data_size = 0;
w->count = 0;
w->pos = 0;
if (action_context->context) {
free(action_context->context);
}
return 0;
}
static int dyn_start(struct labcomm_writer *w,
struct labcomm_writer_action_context *action_context,
struct labcomm_encoder *encoder,
int index,
struct labcomm_signature *signature,
void *value)
{
void *tmp;
w->data_size = 1000;
w->count = w->data_size;