locale/langinfo.h

   1 /* nl_langinfo -- Access to locale-dependent parameters.
   2    Copyright (C) 1995, 1996 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _LANGINFO_H
  21 #define _LANGINFO_H 1
  22
  23 #include <locale.h>             /* Define the LC_* category names.  */
  24
  25 __BEGIN_DECLS
  26
  27 /* Construct an `nl_item' value for `nl_langinfo' from a locale category
  28    (LC_*) and an item index within the category.  Some code may depend on
  29    the item values within a category increasing monotonically with the
  30    indices.  */
  31 #define _NL_ITEM(category, index)       (((category) << 16) | (index))
  32
  33 /* Extract the category and item index from a constructed `nl_item' value.  */
  34 #define _NL_ITEM_CATEGORY(item)         ((int) (item) >> 16)
  35 #define _NL_ITEM_INDEX(item)            ((int) (item) & 0xffff)
  36
  37
  38 /* Enumeration of locale items that can be queried with `nl_langinfo'.  */
  39 typedef enum
  40 {
  41   /* LC_TIME category: date and time formatting.  */
  42
  43   /* Abbreviated days of the week. */
  44   ABDAY_1 = _NL_ITEM (LC_TIME, 0), /* Sun */
  45   ABDAY_2,
  46   ABDAY_3,
  47   ABDAY_4,
  48   ABDAY_5,
  49   ABDAY_6,
  50   ABDAY_7,
  51
  52   /* Long-named days of the week. */
  53   DAY_1,                        /* Sunday */
  54   DAY_2,                        /* Monday */
  55   DAY_3,                        /* Tuesday */
  56   DAY_4,                        /* Wednesday */
  57   DAY_5,                        /* Thursday */
  58   DAY_6,                        /* Friday */
  59   DAY_7,                        /* Saturday */
  60
  61   /* Abbreviated month names.  */
  62   ABMON_1,                      /* Jan */
  63   ABMON_2,
  64   ABMON_3,
  65   ABMON_4,
  66   ABMON_5,
  67   ABMON_6,
  68   ABMON_7,
  69   ABMON_8,
  70   ABMON_9,
  71   ABMON_10,
  72   ABMON_11,
  73   ABMON_12,
  74
  75   /* Long month names.  */
  76   MON_1,                        /* January */
  77   MON_2,
  78   MON_3,
  79   MON_4,
  80   MON_5,
  81   MON_6,
  82   MON_7,
  83   MON_8,
  84   MON_9,
  85   MON_10,
  86   MON_11,
  87   MON_12,
  88
  89   AM_STR,                       /* Ante meridian string.  */
  90   PM_STR,                       /* Post meridian string.  */
  91
  92   D_T_FMT,                      /* Date and time format for strftime.  */
  93   D_FMT,                        /* Date format for strftime.  */
  94   T_FMT,                        /* Time format for strftime.  */
  95   T_FMT_AMPM,                   /* 12-hour time format for strftime.  */
  96
  97   ERA,                          /* Alternate era.  */
  98   ERA_YEAR,                     /* Year in alternate era format.  */
  99   ERA_D_FMT,                    /* Date in alternate era format.  */
 100   ALT_DIGITS,                   /* Alternate symbols for digits.  */
 101   ERA_D_T_FMT,                  /* Date and time in alternate era format.  */
 102   ERA_T_FMT,                    /* Time in alternate era format.  */
 103
 104   _NL_TIME_NUM_ALT_DIGITS,      /* Number entries in the alt_digits arrays.  */
 105
 106   _NL_TIME_ERA_NUM_ENTRIES,     /* Number entries in the era arrays.  */
 107   _NL_TIME_ERA_ENTRIES_EB,      /* Structure with era entries in usable form.*/
 108   _NL_TIME_ERA_ENTRIES_EL,
 109
 110   _NL_NUM_LC_TIME,              /* Number of indices in LC_TIME category.  */
 111
 112   /* LC_COLLATE category: text sorting.
 113      This information is accessed by the strcoll and strxfrm functions.
 114      These `nl_langinfo' names are used only internally.  */
 115   _NL_COLLATE_NRULES = _NL_ITEM (LC_COLLATE, 0),
 116   _NL_COLLATE_RULES,
 117   _NL_COLLATE_HASH_SIZE,
 118   _NL_COLLATE_HASH_LAYERS,
 119   _NL_COLLATE_TABLE_EB,
 120   _NL_COLLATE_TABLE_EL,
 121   _NL_COLLATE_UNDEFINED,
 122   _NL_COLLATE_EXTRA_EB,
 123   _NL_COLLATE_EXTRA_EL,
 124   _NL_COLLATE_ELEM_HASH_SIZE,
 125   _NL_COLLATE_ELEM_HASH_EB,
 126   _NL_COLLATE_ELEM_HASH_EL,
 127   _NL_COLLATE_ELEM_STR_POOL,
 128   _NL_COLLATE_ELEM_VAL_EB,
 129   _NL_COLLATE_ELEM_VAL_EL,
 130   _NL_COLLATE_SYMB_HASH_SIZE,
 131   _NL_COLLATE_SYMB_HASH_EB,
 132   _NL_COLLATE_SYMB_HASH_EL,
 133   _NL_COLLATE_SYMB_STR_POOL,
 134   _NL_COLLATE_SYMB_CLASS_EB,
 135   _NL_COLLATE_SYMB_CLASS_EL,
 136   _NL_NUM_LC_COLLATE,
 137
 138   /* LC_CTYPE category: character classification.
 139      This information is accessed by the functions in <ctype.h>.
 140      These `nl_langinfo' names are used only internally.  */
 141   _NL_CTYPE_CLASS = _NL_ITEM (LC_CTYPE, 0),
 142   _NL_CTYPE_TOUPPER_EB,
 143   _NL_CTYPE_TOLOWER_EB,
 144   _NL_CTYPE_TOUPPER_EL,
 145   _NL_CTYPE_TOLOWER_EL,
 146   _NL_CTYPE_CLASS32,
 147   _NL_CTYPE_NAMES_EB,
 148   _NL_CTYPE_NAMES_EL,
 149   _NL_CTYPE_HASH_SIZE,
 150   _NL_CTYPE_HASH_LAYERS,
 151   _NL_CTYPE_CLASS_NAMES,
 152   _NL_CTYPE_MAP_NAMES,
 153   _NL_CTYPE_WIDTH,
 154   _NL_CTYPE_MB_CUR_MAX,
 155   _NL_CTYPE_CODESET_NAME,
 156   _NL_NUM_LC_CTYPE,
 157
 158   /* LC_MONETARY category: formatting of monetary quantities.
 159      These items each correspond to a member of `struct lconv',
 160      defined in <locale.h>.  */
 161   INT_CURR_SYMBOL = _NL_ITEM (LC_MONETARY, 0),
 162   CURRENCY_SYMBOL,
 163   MON_DECIMAL_POINT,
 164   MON_THOUSANDS_SEP,
 165   MON_GROUPING,
 166   POSITIVE_SIGN,
 167   NEGATIVE_SIGN,
 168   INT_FRAC_DIGITS,
 169   FRAC_DIGITS,
 170   P_CS_PRECEDES,
 171   P_SEP_BY_SPACE,
 172   N_CS_PRECEDES,
 173   N_SEP_BY_SPACE,
 174   P_SIGN_POSN,
 175   N_SIGN_POSN,
 176   _NL_NUM_LC_MONETARY,
 177
 178   /* LC_NUMERIC category: formatting of numbers.
 179      These also correspond to members of `struct lconv'; see <locale.h>.  */
 180   DECIMAL_POINT = _NL_ITEM (LC_NUMERIC, 0),
 181   THOUSANDS_SEP,
 182   GROUPING,
 183   _NL_NUM_LC_NUMERIC,
 184
 185   YESEXPR = _NL_ITEM (LC_MESSAGES, 0), /* Regex matching ``yes'' input.  */
 186   NOEXPR,                       /* Regex matching ``no'' input.  */
 187   YESSTR,                       /* Output string for ``yes''.  */
 188   NOSTR,                        /* Output string for ``no''.  */
 189   _NL_NUM_LC_MESSAGES,
 190
 191   /* This marks the highest value used.  */
 192   _NL_NUM
 193 } nl_item;
 194
 195
 196 /* Return the current locale's value for ITEM.
 197    If ITEM is invalid, an empty string is returned.
 198
 199    The string returned will not change until `setlocale' is called;
 200    it is usually in read-only memory and cannot be modified.  */
 201
 202 extern char *nl_langinfo __P ((nl_item __item));
 203
 204
 205 __END_DECLS
 206
 207 #endif  /* langinfo.h */