include/ctype.h

   1 #ifndef _CTYPE_H
   2
   3 #include <ctype/ctype.h>
   4
   5 #ifndef _ISOMAC
   6 /* Initialize ctype locale data.  */
   7 extern void __ctype_init (void);
   8 libc_hidden_proto (__ctype_init)
   9
  10 /* ctype/ctype.h defined this as a macro and we don't want to #undef it.
  11    So defeat macro expansion with parens for this declaration.  */
  12 extern int (__isctype) (int __c, int __mask);
  13
  14 libc_hidden_proto (tolower)
  15 libc_hidden_proto (toupper)
  16
  17 # if IS_IN (libc)
  18
  19 /* These accessors are used by the optimized macros to find the
  20    thread-local cache of ctype information from the current thread's
  21    locale.  For inside libc, define them as inlines using the _NL_CURRENT
  22    accessors.  We don't use _NL_CURRENT_LOCALE->__ctype_b here because we
  23    want to cause a link-time ref to _nl_current_LC_CTYPE under
  24    NL_CURRENT_INDIRECT.  */
  25
  26 #  include "../locale/localeinfo.h"
  27 #  include <libc-tsd.h>
  28
  29 #  ifndef CTYPE_EXTERN_INLINE   /* Used by ctype/ctype-info.c, which see.  */
  30 #   define CTYPE_EXTERN_INLINE extern inline
  31 #  endif
  32
  33 __libc_tsd_define (extern, const uint16_t *, CTYPE_B)
  34 __libc_tsd_define (extern, const int32_t *, CTYPE_TOUPPER)
  35 __libc_tsd_define (extern, const int32_t *, CTYPE_TOLOWER)
  36
  37
  38 CTYPE_EXTERN_INLINE const uint16_t ** __attribute__ ((const))
  39 __ctype_b_loc (void)
  40 {
  41   return __libc_tsd_address (const uint16_t *, CTYPE_B);
  42 }
  43
  44 CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
  45 __ctype_toupper_loc (void)
  46 {
  47   return __libc_tsd_address (const int32_t *, CTYPE_TOUPPER);
  48 }
  49
  50 CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
  51 __ctype_tolower_loc (void)
  52 {
  53   return __libc_tsd_address (const int32_t *, CTYPE_TOLOWER);
  54 }
  55
  56 #  ifndef __NO_CTYPE
  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  /* Not __NO_CTYPE.  */
  66
  67 # endif /* IS_IN (libc).  */
  68 #endif  /* Not _ISOMAC.  */
  69
  70 #endif /* ctype.h */