/* Copyright (C) 2003, 2004, 2005, 2008, 2011 Rocky Bernstein Copyright (C) 2001 Herbert Valerio Riedel 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 . */ #ifdef HAVE_CONFIG_H # include "config.h" # define __CDIO_CONFIG_H__ 1 #endif #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_STAT_H #include #endif #ifdef HAVE_UNISTD_H #include #endif #include "cdio_assert.h" #include #include #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: */