/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: NPL 1.1/GPL 2.0/LGPL 2.1
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 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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 * The Original Code is mozilla.org code.
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 * The Initial Developer of the Original Code is 
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 * Portions created by the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
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 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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 * ***** END LICENSE BLOCK ***** */

#ifndef XPSTRING_H
#define XPSTRING_H

#include "prtypes.h"

#define XP_IS_SPACE(VAL)                \
    (((((intn)(VAL)) & 0x7f) == ((intn)(VAL))) && isspace((intn)(VAL)) )

#define XP_IS_CNTRL(i) 	((((unsigned int) (i)) > 0x7f) ? (int) 0 : iscntrl(i))
#define XP_IS_DIGIT(i) 	((((unsigned int) (i)) > 0x7f) ? (int) 0 : isdigit(i))
#ifdef XP_WIN 
#define XP_IS_ALPHA(VAL)         (isascii((int)(VAL)) && isalpha((int)(VAL)))
#else
#define XP_IS_ALPHA(VAL) 	((((unsigned int) (VAL)) > 0x7f) ? FALSE : isalpha((int)(VAL)))
#endif

#ifdef DEBUG
	PR_BEGIN_EXTERN_C
		extern char * NOT_NULL (const char *x);
	PR_END_EXTERN_C
#else
#	define NOT_NULL(X)	X
#endif

#define XP_STRLEN(s)             	strlen(NOT_NULL(s))
#define XP_STRCMP(a, b)           	strcmp(NOT_NULL(a), NOT_NULL(b))
#define XP_STRNCMP(a, b, n)       strncmp(NOT_NULL(a), NOT_NULL(b), (n))
#define XP_STRCPY(d, s)           	strcpy(NOT_NULL(d), NOT_NULL(s))

#endif /* XPSTRING_H */