libsigrok/output/binary.c

70 lines
1.8 KiB
C

/*
* This file is part of the sigrok project.
*
* Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "sigrok.h"
#include "sigrok-internal.h"
static int data(struct sr_output *o, const char *data_in, uint64_t length_in,
char **data_out, uint64_t *length_out)
{
char *outbuf;
/* Prevent compiler warnings. */
(void)o;
if (!data_in) {
sr_warn("binary output: %s: data_in was NULL", __func__);
return SR_ERR;
}
if (!length_out) {
sr_warn("binary output: %s: length_out was NULL", __func__);
return SR_ERR;
}
if (length_in == 0) {
sr_warn("binary output: %s: length_in was 0", __func__);
return SR_ERR;
}
if (!(outbuf = calloc(1, length_in))) {
sr_warn("binary output: %s: outbuf calloc failed", __func__);
return SR_ERR_MALLOC;
}
memcpy(outbuf, data_in, length_in);
*data_out = outbuf;
*length_out = length_in;
return SR_OK;
}
SR_PRIV struct sr_output_format output_binary = {
.id = "binary",
.description = "Raw binary",
.df_type = SR_DF_LOGIC,
.init = NULL,
.data = data,
.event = NULL,
};