include/ctype.h

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