FreeBSD/Linux Kernel Cross Reference
sys/contrib/ncsw/inc/ctype_ext.h

     /* Copyright (c) 2008-2011 Freescale Semiconductor, Inc.
      * 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 the name of Freescale Semiconductor nor the
     *       names of its contributors may be used to endorse or promote products
     *       derived from this software without specific prior written permission.
     *
     *
     * ALTERNATIVELY, this software may be distributed under the terms of the
     * GNU General Public License ("GPL") as published by the Free Software
     * Foundation, either version 2 of that License or (at your option) any
     * later version.
     *
     * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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 __CTYPE_EXT_H
    #define __CTYPE_EXT_H
    
    
    #if defined(NCSW_LINUX) && defined(__KERNEL__) || defined(NCSW_FREEBSD)
    /*
     * NOTE! This ctype does not handle EOF like the standard C
     * library is required to.
     */
    
    #define _U    0x01    /* upper */
    #define _L    0x02    /* lower */
    #define _D    0x04    /* digit */
    #define _C    0x08    /* cntrl */
    #define _P    0x10    /* punct */
    #define _S    0x20    /* white space (space/lf/tab) */
    #define _X    0x40    /* hex digit */
    #define _SP   0x80    /* hard space (0x20) */
    
    extern unsigned char _ctype[];
    
    #define __ismask(x) (_ctype[(int)(unsigned char)(x)])
    
    #define isalnum(c)    ((__ismask(c)&(_U|_L|_D)) != 0)
    #define isalpha(c)    ((__ismask(c)&(_U|_L)) != 0)
    #define iscntrl(c)    ((__ismask(c)&(_C)) != 0)
    #define isdigit(c)    ((__ismask(c)&(_D)) != 0)
    #define isgraph(c)    ((__ismask(c)&(_P|_U|_L|_D)) != 0)
    #define islower(c)    ((__ismask(c)&(_L)) != 0)
    #define isprint(c)    ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0)
    #define ispunct(c)    ((__ismask(c)&(_P)) != 0)
    #define isspace(c)    ((__ismask(c)&(_S)) != 0)
    #define isupper(c)    ((__ismask(c)&(_U)) != 0)
    #define isxdigit(c)   ((__ismask(c)&(_D|_X)) != 0)
    
    #define isascii(c) (((unsigned char)(c))<=0x7f)
    #define toascii(c) (((unsigned char)(c))&0x7f)
    
    static __inline__ unsigned char __tolower(unsigned char c)
    {
        if (isupper(c))
            c -= 'A'-'a';
        return c;
    }
    
    static __inline__ unsigned char __toupper(unsigned char c)
    {
        if (islower(c))
            c -= 'a'-'A';
        return c;
    }
    
    #define tolower(c) __tolower(c)
    #define toupper(c) __toupper(c)
    
    #else
    #include <ctype.h>
    #endif /* defined(NCSW_LINUX) && defined(__KERNEL__) || defined(NCSW_FREEBSD) */
    
    
    #endif /* __CTYPE_EXT_H */

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