diplodocus.org Git - nmh/blob - sbr/ctype-checked.h

   1 /* sbr/ctype-checked.h
   2  *
   3  * This code is Copyright (c) 2016, by the authors of nmh.
   4  * See the COPYRIGHT file in the root directory of the nmh
   5  * distribution for complete copyright information. */
   6
   7 #ifndef CTYPE_CHECKED_H
   8 #define CTYPE_CHECKED_H
   9 #include <ctype.h>
  10
  11 extern int ctype_identity[257];
  12
  13 #define CTYPE_CHECK(f, c) ((f)((ctype_identity + 1)[c]))
  14
  15 #ifdef isalnum
  16 #undef isalnum
  17 #endif
  18 #define isalnum(c) CTYPE_CHECK(isalnum, c)
  19
  20 #ifdef isalpha
  21 #undef isalpha
  22 #endif
  23 #define isalpha(c) CTYPE_CHECK(isalpha, c)
  24
  25 #ifdef iscntrl
  26 #undef iscntrl
  27 #endif
  28 #define iscntrl(c) CTYPE_CHECK(iscntrl, c)
  29
  30 #ifdef isdigit
  31 #undef isdigit
  32 #endif
  33 #define isdigit(c) CTYPE_CHECK(isdigit, c)
  34
  35 #ifdef isgraph
  36 #undef isgraph
  37 #endif
  38 #define isgraph(c) CTYPE_CHECK(isgraph, c)
  39
  40 #ifdef islower
  41 #undef islower
  42 #endif
  43 #define islower(c) CTYPE_CHECK(islower, c)
  44
  45 #ifdef isprint
  46 #undef isprint
  47 #endif
  48 #define isprint(c) CTYPE_CHECK(isprint, c)
  49
  50 #ifdef ispunct
  51 #undef ispunct
  52 #endif
  53 #define ispunct(c) CTYPE_CHECK(ispunct, c)
  54
  55 #ifdef isspace
  56 #undef isspace
  57 #endif
  58 #define isspace(c) CTYPE_CHECK(isspace, c)
  59
  60 #ifdef isupper
  61 #undef isupper
  62 #endif
  63 #define isupper(c) CTYPE_CHECK(isupper, c)
  64
  65 #ifdef isxdigit
  66 #undef isxdigit
  67 #endif
  68 #define isxdigit(c) CTYPE_CHECK(isxdigit, c)
  69
  70 #ifdef tolower
  71 #undef tolower
  72 #endif
  73 #define tolower(c) CTYPE_CHECK(tolower, c)
  74
  75 #ifdef toupper
  76 #undef toupper
  77 #endif
  78 #define toupper(c) CTYPE_CHECK(toupper, c)
  79
  80 #ifdef isascii
  81 #undef isascii
  82 #endif
  83 #define isascii(c) CTYPE_CHECK(isascii, c)
  84
  85 #ifdef toascii
  86 #undef toascii
  87 #endif
  88 #define toascii(c) CTYPE_CHECK(toascii, c)
  89
  90 #ifdef isblank
  91 #undef isblank
  92 #endif
  93 #define isblank(c) CTYPE_CHECK(isblank, c)
  94
  95 #endif