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, const uint16_t *, CTYPE_B)
  22 __libc_tsd_define (extern, const int32_t *, CTYPE_TOUPPER)
  23 __libc_tsd_define (extern, const int32_t *, CTYPE_TOLOWER)
  24
  25 CTYPE_EXTERN_INLINE const uint16_t ** __attribute__ ((const))
  26 __ctype_b_loc (void)
  27 {
  28   const uint16_t **tablep = __libc_tsd_address (const uint16_t *, CTYPE_B);
  29   if (__builtin_expect (*tablep == NULL, 0))
  30     *tablep = (const uint16_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS) + 128;
  31   return tablep;
  32 }
  33
  34 CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
  35 __ctype_toupper_loc (void)
  36 {
  37   const int32_t **tablep = __libc_tsd_address (const int32_t *, CTYPE_TOUPPER);
  38   if (__builtin_expect (*tablep == NULL, 0))
  39     *tablep = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOUPPER) + 128);
  40   return tablep;
  41 }
  42
  43 CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
  44 __ctype_tolower_loc (void)
  45 {
  46   const int32_t **tablep = __libc_tsd_address (const int32_t *, CTYPE_TOLOWER);
  47   if (__builtin_expect (*tablep == NULL, 0))
  48     *tablep = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOLOWER) + 128);
  49   return tablep;
  50 }
  51
  52 # endif /* Not NOT_IN_libc.  */
  53
  54 # include <ctype/ctype.h>
  55
  56 # if !defined __NO_CTYPE && !defined NOT_IN_libc
  57 /* The spec says that isdigit must only match the decimal digits.  We
  58    can check this without a memory access.  */
  59 #  undef isdigit
  60 #  define isdigit(c) ({ int __c = (c); __c >= '0' && __c <= '9'; })
  61 #  undef isdigit_l
  62 #  define isdigit_l(c, l) ({ int __c = (c); __c >= '0' && __c <= '9'; })
  63 #  undef __isdigit_l
  64 #  define __isdigit_l(c, l) ({ int __c = (c); __c >= '0' && __c <= '9'; })
  65 # endif
  66
  67 #endif /* ctype.h */