/*

 * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.

 *

 * Permission is hereby granted, free of charge, to any person obtaining a

 * copy of this software and associated documentation files (the "Software"),

 * to deal in the Software without restriction, including without limitation

 * the rights to use, copy, modify, merge, publish, distribute, sublicense,

 * and/or sell copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following conditions:

 *

 * The above copyright notice and this permission notice (including the next

 * paragraph) shall be included in all copies or substantial portions of the

 * Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL

 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

 * DEALINGS IN THE SOFTWARE.

 */

/*

 * fbc_append_config - Append configuration file supplement

 */

#include <stdio.h>		/* NULL */

#include <stdlib.h>		/* exit() */

#include "xf86Parser.h"		/* Public function, etc. declarations */

#include "Configint.h"		/* Private definitions, etc. */

#include "configProcs.h"	/* Private function, etc. declarations */

#include "fbc.h"		/* Common fbconf_xorg(1M) definitions */

#include "fbc_append_config.h"	/* Append configuration file supplement */

#include "fbc_error.h"		/* Error reporting */

/*

 * fbc_append_config()

 *

 *    Open a configuration supplement file and append it to the Internal

 *    and External representation of the current configuration.

 *

 *    A supplement name and corresponding supplement pathname might be:

 *        "SunModes"    /usr/lib/fbconfig/SunModes_xorg.conf

 */

int

fbc_append_config(

	XF86ConfigPtr	configIR,	/* Config Internal Representation */

	const char	*supplement_name) /* Config supplement name prefix */

{

	const char	*supplement_path; /* Config supplement pathname */

	/*

	 * Open the config supplement file, /usr/lib/fbconfig/<name>_xorg.conf

	 */

	supplement_path = xf86openConfigFileIn("%P/%R_xorg.conf",

						supplement_name,

						FBC_LIB_DIR);

	if (supplement_path == NULL) {

		return (FBC_ERR_OPEN);

	}

#if (0)	/* This may or may not be necessary */

	/*

	 * Set effective UID to real UID while reading config file

	 */

	if (euid != uid) {

		if (seteuid(uid) != 0) {

			fbc_errormsg(

				"Unable to set effective user ID\n");

			exit(FBC_EXIT_FAILURE);

		}

	}

#endif	/* This may or may not be necessary */

	/*

	 * Read the configuration supplement file

	 */

	if (xf86readNextConfigFile(configIR) == NULL) {

		fbc_errormsg("Error in configuration file, %s\n",

				supplement_path);

		exit(FBC_EXIT_FAILURE);	/* Just lost all config IR data */

	}

#if (0)	/* This may or may not be necessary */

	if (euid != uid) {

		(void) seteuid(euid);

	}

#endif	/* This may or may not be necessary */

	return (FBC_SUCCESS);

}	/* fbc_append_config() */

/* End of fbc_append_config.c */