///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2003 Intel Corporation 
// All rights reserved. 
//
// Redistribution and use in source and binary forms, with or without 
// modification, are permitted provided that the following conditions are met: 
//
// * Redistributions of source code must retain the above copyright notice, 
// this list of conditions and the following disclaimer. 
// * Redistributions in binary form must reproduce the above copyright notice, 
// this list of conditions and the following disclaimer in the documentation 
// and/or other materials provided with the distribution. 
// * Neither name of Intel Corporation nor the names of its contributors 
// may be used to endorse or promote products derived from this software 
// without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL OR 
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////

#ifndef UTIL_H
#define UTIL_H


#include "upnp.h"


// usually used to specify direction of parameters in functions
#ifndef IN
	#define IN
#endif

#ifndef OUT
	#define OUT
#endif

#ifndef INOUT
	#define INOUT
#endif


#define GEMD_OUT_OF_MEMORY -1
#define EVENT_TIMEDOUT -2
#define EVENT_TERMINATE	-3


// boolean type in C
typedef char xboolean;

#ifndef TRUE
	#define TRUE 1
#endif

#ifndef FALSE
	#define FALSE 0
#endif


///////////////////////////
// funcs

#ifdef __cplusplus
extern "C" {
#endif

/************************************************************************
 * Function: logerror
 *
 * Parameters:
 * 	IN const char *fmt;	format string
 *
 * Description: Log an error message.
 *
 * Return: void
 ************************************************************************/
void log_error( IN const char *fmt, ... );

/************************************************************************
 * Function: linecopy
 *
 * Parameters:
 *	OUT char dest[LINE_SIZE];	output buffer
 *	IN const char *src;		input buffer
 *
 * Description: Copy no of bytes spcified by the LINE_SIZE constant, 
 *	from the source buffer. Null terminate the destination buffer.
 *
 * Return: void
 ************************************************************************/
void linecopy( OUT char dest[LINE_SIZE], IN const char* src );

/************************************************************************
 * Function: namecopy
 *
 * Parameters:
 * 	OUT char dest[NAME_SIZE];	output buffer
 * 	IN const char *src;		input buffer
 *
 * Description: Copy no of bytes spcified by the NAME_SIZE constant, 
 * 	from the source buffer. Null terminate the destination buffer
 *
 * Return: void
 ************************************************************************/
void namecopy( OUT char dest[NAME_SIZE], IN const char* src );

/************************************************************************
 * Function:	linecopylen
 *
 * Parameters:
 *	OUT char dest[LINE_SIZE];	output buffer
 *	IN const char *src;		input buffer
 *	IN size_t srclen;		bytes to be copied.
 *
 * Description : Determine if the srclen passed in paramter is less than 
 *	the permitted LINE_SIZE. If it is use the passed parameter, if not
 *	use the permitted LINE_SIZE as the length parameter
 *	Copy no of bytes spcified by the LINE_SIZE constant, 
 *	from the source buffer. Null terminate the destination buffer
 *
 * Return: void
 ************************************************************************/
void linecopylen( OUT char dest[LINE_SIZE], IN const char* src, IN size_t srclen );


#ifdef __cplusplus
} // extern C
#endif

/* Size of the errorBuffer variable, passed to the strerror_r() function */
#define ERROR_BUFFER_LEN 256

//////////////////////////////////
// C specific
#ifndef __cplusplus

#ifdef WIN32
	#ifndef S_ISREG
		#define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
	#endif

	#ifndef S_ISDIR
		#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
	#endif

	#define EADDRINUSE		WSAEADDRINUSE

	#define strcasecmp		stricmp
	#define strncasecmp		strnicmp

	#define sleep(a)		Sleep((a)*1000)
	#define usleep(a)		Sleep((a)/1000)

	#define strerror_r(a,b,c)	(strerror_s((b),(c),(a)))
#else
	#define max(a, b)   (((a)>(b))? (a):(b))
	#define min(a, b)   (((a)<(b))? (a):(b))
#endif /* WIN32 */

#endif // __cplusplus

#endif /* UTIL_H */