/*
Copyright (C) 2003, 2004, 2005, 2008, 2011
Rocky Bernstein <rocky@gnu.org>
Copyright (C) 2001 Herbert Valerio Riedel <hvr@gnu.org>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
# define __CDIO_CONFIG_H__ 1
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "cdio_assert.h"
#include <cdio/cdio.h>
#include <cdio/util.h>
#include "cdio_private.h"
/*!
Return the value associatied with key. NULL is returned if obj is NULL
or "key" does not exist.
*/
const char *
cdio_get_arg (const CdIo *obj, const char key[])
{
if (obj == NULL) return NULL;
if (obj->op.get_arg) {
return obj->op.get_arg (obj->env, key);
} else {
return NULL;
}
}
CdIo_t *
cdio_new (generic_img_private_t *p_env, cdio_funcs_t *p_funcs)
{
CdIo_t *p_new_cdio = calloc(1, sizeof (CdIo_t));
if (NULL == p_new_cdio) return NULL;
p_new_cdio->env = p_env; /* This is the private "environment" that
driver-dependent routines use. */
p_new_cdio->op = *p_funcs;
p_env->cdio = p_new_cdio; /* A way for the driver-dependent routines
to access the higher-level general cdio
object. */
return p_new_cdio;
}
/*!
Set the arg "key" with "value" in the source device.
*/
driver_return_code_t
cdio_set_arg (CdIo_t *p_cdio, const char key[], const char value[])
{
if (!p_cdio) return DRIVER_OP_UNINIT;
if (!p_cdio->op.set_arg) return DRIVER_OP_UNSUPPORTED;
if (!key) return DRIVER_OP_ERROR;
return p_cdio->op.set_arg (p_cdio->env, key, value);
}
/*
* Local variables:
* c-file-style: "gnu"
* tab-width: 8
* indent-tabs-mode: nil
* End:
*/