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      1 /*
      2  * Copyright (C) 2007 Apple Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef WTF_DisallowCType_h
     30 #define WTF_DisallowCType_h
     31 
     32 // The behavior of many of the functions in the <ctype.h> header is dependent
     33 // on the current locale. But almost all uses of these functions are for
     34 // locale-independent, ASCII-specific purposes. In WebKit code we use our own
     35 // ASCII-specific functions instead. This header makes sure we get a compile-time
     36 // error if we use one of the <ctype.h> functions by accident.
     37 
     38 #include <ctype.h>
     39 
     40 #undef isalnum
     41 #undef isalpha
     42 #undef isascii
     43 #undef isblank
     44 #undef iscntrl
     45 #undef isdigit
     46 #undef isgraph
     47 #undef islower
     48 #undef isprint
     49 #undef ispunct
     50 #undef isspace
     51 #undef isupper
     52 #undef isxdigit
     53 #undef toascii
     54 #undef tolower
     55 #undef toupper
     56 
     57 #define isalnum isalnum_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     58 #define isalpha isalpha_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     59 #define isascii isascii_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     60 #define isblank isblank_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     61 #define iscntrl iscntrl_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     62 #define isdigit isdigit_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     63 #define isgraph isgraph_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     64 #define islower islower_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     65 #define isprint isprint_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     66 #define ispunct ispunct_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     67 #define isspace isspace_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     68 #define isupper isupper_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     69 #define isxdigit isxdigit_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     70 #define toascii toascii_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     71 #define tolower tolower_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     72 #define toupper toupper_WTF_Please_use_ASCIICType_instead_of_ctype_see_comment_in_ASCIICType_h
     73 
     74 #endif
     75