include/ctype.h

   1 #ifndef _CTYPE_H
   2
   3 extern int __isctype (int __c, int __mask);
   4
   5 # ifndef NOT_IN_libc
   6
   7 /* These accessors are used by the optimized macros to find the
   8    thread-local cache of ctype information from the current thread's
   9    locale.  For inside libc, define them as inlines using the _NL_CURRENT
  10    accessors.  We don't use _NL_CURRENT_LOCALE->__ctype_b here because we
  11    want to cause a link-time ref to _nl_current_LC_CTYPE under
  12    NL_CURRENT_INDIRECT.  */
  13
  14 #  include "../locale/localeinfo.h"
  15 #  include <bits/libc-tsd.h>
  16
  17 #  ifndef CTYPE_EXTERN_INLINE   /* Used by ctype/ctype-info.c, which see.  */
  18 #   define CTYPE_EXTERN_INLINE extern inline
  19 #  endif
  20
  21 __libc_tsd_define (extern, CTYPE_B)
  22 __libc_tsd_define (extern, CTYPE_TOUPPER)
  23 __libc_tsd_define (extern, CTYPE_TOLOWER)
  24
  25 CTYPE_EXTERN_INLINE const uint16_t ** __attribute__ ((const))
  26 __ctype_b_loc (void)
  27 {
  28   union
  29     {
  30       void **ptr;
  31       const uint16_t **tablep;
  32     } u;
  33   u.ptr = __libc_tsd_address (CTYPE_B);
  34   if (__builtin_expect (*u.tablep == NULL, 0))
  35     *u.tablep = (const uint16_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS) + 128;
  36   return u.tablep;
  37 }
  38
  39 CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
  40 __ctype_toupper_loc (void)
  41 {
  42   union
  43     {
  44       void **ptr;
  45       const int32_t **tablep;
  46     } u;
  47   u.ptr = __libc_tsd_address (CTYPE_TOUPPER);
  48   if (__builtin_expect (*u.tablep == NULL, 0))
  49     *u.tablep = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOUPPER) + 128);
  50   return u.tablep;
  51 }
  52
  53 CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
  54 __ctype_tolower_loc (void)
  55 {
  56   union
  57     {
  58       void **ptr;
  59       const int32_t **tablep;
  60     } u;
  61   u.ptr = __libc_tsd_address (CTYPE_TOLOWER);
  62   if (__builtin_expect (*u.tablep == NULL, 0))
  63     *u.tablep = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOLOWER) + 128);
  64   return u.tablep;
  65 }
  66
  67 # endif /* Not NOT_IN_libc.  */
  68
  69 # include <ctype/ctype.h>
  70
  71 # if !defined __NO_CTYPE && !defined NOT_IN_libc
  72 /* The spec says that isdigit must only match the decimal digits.  We
  73    can check this without a memory access.  */
  74 #  undef isdigit
  75 #  define isdigit(c) ({ int __c = (c); __c >= '0' && __c <= '9'; })
  76 #  undef isdigit_l
  77 #  define isdigit_l(c, l) ({ int __c = (c); __c >= '0' && __c <= '9'; })
  78 #  undef __isdigit_l
  79 #  define __isdigit_l(c, l) ({ int __c = (c); __c >= '0' && __c <= '9'; })
  80 # endif
  81
  82 #endif /* ctype.h */