libc/sysdeps/linux/common/bits/uClibc_locale.h

   1 /*  Copyright (C) 2002, 2003     Manuel Novoa III
   2  *
   3  *  This library is free software; you can redistribute it and/or
   4  *  modify it under the terms of the GNU Lesser General Public
   5  *  License as published by the Free Software Foundation; either
   6  *  version 2.1 of the License, or (at your option) any later version.
   7  *
   8  *  The GNU C Library is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  *  Lesser General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU Lesser General Public
  14  *  License along with the GNU C Library; see the file COPYING.LIB.  If
  15  *  not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 /*  ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION!
  19  *
  20  *  Besides uClibc, I'm using this code in my libc for elks, which is
  21  *  a 16-bit environment with a fairly limited compiler.  It would make
  22  *  things much easier for me if this file isn't modified unnecessarily.
  23  *  In particular, please put any new or replacement functions somewhere
  24  *  else, and modify the makefile to use your version instead.
  25  *  Thanks.  Manuel
  26  *
  27  *  ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION! */
  28
  29 #ifndef _UCLIBC_LOCALE_H
  30 #define _UCLIBC_LOCALE_H
  31
  32 /**********************************************************************/
  33 /* uClibc compatibilty stuff */
  34
  35 #ifdef __UCLIBC_HAS_LOCALE__
  36
  37 # undef __LOCALE_C_ONLY
  38
  39 #else
  40
  41 # define __LOCALE_C_ONLY
  42
  43 # ifdef _LIBC
  44 #  define __XL_NPP(N) N
  45 #  define __LOCALE_PARAM
  46 #  define __LOCALE_ARG
  47 # endif
  48
  49 #endif
  50
  51 /**********************************************************************/
  52
  53 #define __NL_ITEM_CATEGORY_SHIFT        8
  54 #define __NL_ITEM_INDEX_MASK            0xff
  55
  56 /* TODO: Make sure these agree with the locale mmap file gererator! */
  57
  58 #define __LC_CTYPE      0
  59 #define __LC_NUMERIC    1
  60 #define __LC_MONETARY   2
  61 #define __LC_TIME       3
  62 #define __LC_COLLATE    4
  63 #define __LC_MESSAGES   5
  64 #define __LC_ALL        6
  65
  66 /**********************************************************************/
  67 #ifndef __LOCALE_C_ONLY
  68
  69 enum {
  70         __ctype_encoding_7_bit,         /* C/POSIX */
  71         __ctype_encoding_utf8,          /* UTF-8 */
  72         __ctype_encoding_8_bit          /* for 8-bit codeset locales */
  73 };
  74
  75 #define LOCALE_STRING_SIZE (2 * __LC_ALL + 2)
  76
  77  /*
  78   * '#' + 2_per_category + '\0'
  79   *       {locale row # : 0 = C|POSIX} + 0x8001
  80   *       encoded in two chars as (((N+1) >> 8) | 0x80) and ((N+1) & 0xff)
  81   *       so decode is  ((((uint16_t)(*s & 0x7f)) << 8) + s[1]) - 1
  82   *
  83   *       Note: 0s are not used as they are nul-terminators for strings.
  84   *       Note: 0xff, 0xff is the encoding for a non-selected locale.
  85   *             (see setlocale() below).
  86   * In particular, C/POSIX locale is '#' + "\x80\x01"}*LC_ALL + nul.
  87   */
  88
  89 struct __uclibc_locale_struct;
  90 typedef struct __uclibc_locale_struct *__locale_t;
  91
  92 #ifdef _LIBC
  93
  94 /* extern void _locale_set(const unsigned char *p); */
  95 extern void weak_function _locale_init(void) attribute_hidden;
  96
  97 #include <stddef.h>
  98 #include <stdint.h>
  99 #include <bits/uClibc_touplow.h>
 100 #ifndef __UCLIBC_GEN_LOCALE
 101 # include <bits/uClibc_locale_data.h>
 102 #endif
 103
 104 #ifndef __UCLIBC_GEN_LOCALE /* && (defined IS_IN_libc || defined NOT_IN_libc) */
 105 typedef struct {
 106         uint16_t num_weights;
 107         uint16_t num_starters;
 108         uint16_t ii_shift;
 109         uint16_t ti_shift;
 110         uint16_t ii_len;
 111         uint16_t ti_len;
 112         uint16_t max_weight;
 113         uint16_t num_col_base;
 114         uint16_t max_col_index;
 115         uint16_t undefined_idx;
 116         uint16_t range_low;
 117         uint16_t range_count;
 118         uint16_t range_base_weight;
 119         uint16_t range_rule_offset; /* change name to index? */
 120
 121         uint16_t ii_mask;
 122         uint16_t ti_mask;
 123
 124         const uint16_t *index2weight_tbl;
 125         const uint16_t *index2ruleidx_tbl;
 126         const uint16_t *multistart_tbl;
 127         /*       uint16_t wcs2colidt_offset_low; */
 128         /*       uint16_t wcs2colidt_offset_hi; */
 129         const uint16_t *wcs2colidt_tbl;
 130
 131         /*       uint16_t undefined_idx; */
 132         const uint16_t *overrides_tbl;
 133         /*       uint16_t *multistart_tbl; */
 134
 135         const uint16_t *weightstr;
 136         const uint16_t *ruletable;
 137
 138
 139         uint16_t *index2weight;
 140         uint16_t *index2ruleidx;
 141
 142         uint16_t MAX_WEIGHTS;
 143 } __collate_t;
 144
 145 /*  static unsigned char cur_locale[LOCALE_STRING_SIZE]; */
 146
 147 struct __uclibc_locale_struct {
 148 #ifdef __UCLIBC_HAS_XLOCALE__
 149         const __ctype_mask_t *__ctype_b;
 150         const __ctype_touplow_t *__ctype_tolower;
 151         const __ctype_touplow_t *__ctype_toupper;
 152 #endif
 153
 154         /* For now, just embed this in the structure. */
 155         __ctype_mask_t __ctype_b_data[256 + __UCLIBC_CTYPE_B_TBL_OFFSET];
 156         __ctype_touplow_t __ctype_tolower_data[256 + __UCLIBC_CTYPE_TO_TBL_OFFSET];
 157         __ctype_touplow_t __ctype_toupper_data[256 + __UCLIBC_CTYPE_TO_TBL_OFFSET];
 158
 159 /*      int tables_loaded; */
 160 /*      unsigned char lctypes[LOCALE_STRING_SIZE]; */
 161         unsigned char cur_locale[LOCALE_STRING_SIZE];
 162
 163         /* NL_LANGINFO stuff. BEWARE ORDERING!!! must agree with NL_* constants! */
 164         /* Also, numeric must be followed by monetary and the items must be in
 165          * the "struct lconv" order. */
 166
 167         uint16_t category_offsets[__LC_ALL]; /* TODO -- fix? */
 168         unsigned char category_item_count[__LC_ALL]; /* TODO - fix */
 169
 170         /* ctype */
 171         unsigned char encoding;         /* C/POSIX, 8-bit, UTF-8 */
 172         unsigned char mb_cur_max;       /* determined by encoding _AND_ translit!!! */
 173         const unsigned char outdigit_length[10];
 174
 175 #ifdef __CTYPE_HAS_8_BIT_LOCALES
 176         const unsigned char *idx8ctype;
 177         const unsigned char *tbl8ctype;
 178         const unsigned char *idx8uplow;
 179         const unsigned char *tbl8uplow;
 180 # ifdef __UCLIBC_HAS_WCHAR__
 181         const unsigned char *idx8c2wc;
 182         const uint16_t *tbl8c2wc;       /* char > 0x7f to wide char */
 183         const unsigned char *idx8wc2c;
 184         const unsigned char *tbl8wc2c;
 185         /* translit  */
 186 # endif
 187 #endif /* __CTYPE_HAS_8_BIT_LOCALES */
 188 #ifdef __UCLIBC_HAS_WCHAR__
 189
 190         const uint16_t *code2flag;
 191
 192         const unsigned char *tblwctype;
 193         const unsigned char *tblwuplow;
 194 /*      const unsigned char *tblwcomb; */
 195         const int32_t *tblwuplow_diff; /* yes... signed */
 196         /* width?? */
 197
 198         wchar_t decimal_point_wc;
 199         wchar_t thousands_sep_wc;
 200         int decimal_point_len;
 201         int thousands_sep_len;
 202
 203 #endif /* __UCLIBC_HAS_WCHAR__ */
 204
 205         /* ctype */
 206         const char *outdigit0_mb;
 207         const char *outdigit1_mb;
 208         const char *outdigit2_mb;
 209         const char *outdigit3_mb;
 210         const char *outdigit4_mb;
 211         const char *outdigit5_mb;
 212         const char *outdigit6_mb;
 213         const char *outdigit7_mb;
 214         const char *outdigit8_mb;
 215         const char *outdigit9_mb;
 216         const char *codeset;            /* MUST BE LAST!!! */
 217
 218         /* numeric */
 219         const char *decimal_point;
 220         const char *thousands_sep;
 221         const char *grouping;
 222
 223         /* monetary */
 224         const char *int_curr_symbol;
 225         const char *currency_symbol;
 226         const char *mon_decimal_point;
 227         const char *mon_thousands_sep;
 228         const char *mon_grouping;
 229         const char *positive_sign;
 230         const char *negative_sign;
 231         const char *int_frac_digits;
 232         const char *frac_digits;
 233         const char *p_cs_precedes;
 234         const char *p_sep_by_space;
 235         const char *n_cs_precedes;
 236         const char *n_sep_by_space;
 237         const char *p_sign_posn;
 238         const char *n_sign_posn;
 239         const char *int_p_cs_precedes;
 240         const char *int_p_sep_by_space;
 241         const char *int_n_cs_precedes;
 242         const char *int_n_sep_by_space;
 243         const char *int_p_sign_posn;
 244         const char *int_n_sign_posn;
 245
 246         const char *crncystr;           /* not returned by localeconv */
 247
 248         /* time */
 249         const char *abday_1;
 250         const char *abday_2;
 251         const char *abday_3;
 252         const char *abday_4;
 253         const char *abday_5;
 254         const char *abday_6;
 255         const char *abday_7;
 256
 257         const char *day_1;
 258         const char *day_2;
 259         const char *day_3;
 260         const char *day_4;
 261         const char *day_5;
 262         const char *day_6;
 263         const char *day_7;
 264
 265         const char *abmon_1;
 266         const char *abmon_2;
 267         const char *abmon_3;
 268         const char *abmon_4;
 269         const char *abmon_5;
 270         const char *abmon_6;
 271         const char *abmon_7;
 272         const char *abmon_8;
 273         const char *abmon_9;
 274         const char *abmon_10;
 275         const char *abmon_11;
 276         const char *abmon_12;
 277
 278         const char *mon_1;
 279         const char *mon_2;
 280         const char *mon_3;
 281         const char *mon_4;
 282         const char *mon_5;
 283         const char *mon_6;
 284         const char *mon_7;
 285         const char *mon_8;
 286         const char *mon_9;
 287         const char *mon_10;
 288         const char *mon_11;
 289         const char *mon_12;
 290
 291         const char *am_str;
 292         const char *pm_str;
 293
 294         const char *d_t_fmt;
 295         const char *d_fmt;
 296         const char *t_fmt;
 297         const char *t_fmt_ampm;
 298         const char *era;
 299
 300         const char *era_year;           /* non SUSv3 */
 301         const char *era_d_fmt;
 302         const char *alt_digits;
 303         const char *era_d_t_fmt;
 304         const char *era_t_fmt;
 305
 306         /* messages */
 307         const char *yesexpr;
 308         const char *noexpr;
 309         const char *yesstr;
 310         const char *nostr;
 311
 312         /* collate is at the end */
 313         __collate_t collate;
 314 };
 315
 316 extern struct __uclibc_locale_struct __global_locale_data;
 317 extern struct __uclibc_locale_struct *__global_locale;
 318 #endif /* !__UCLIBC_GEN_LOCALE */
 319
 320 #if defined IS_IN_libc || defined NOT_IN_libc
 321 /* If you plan to remove xxx_IN_libc guards,
 322  * remove attribute_hidden, it won't work.
 323  */
 324 extern int __locale_mbrtowc_l(wchar_t *__restrict dst,
 325                                 const char *__restrict src,
 326                                 __locale_t loc) attribute_hidden;
 327 #endif
 328
 329 /**********************************************************************/
 330 #ifdef __UCLIBC_HAS_XLOCALE__
 331
 332 extern __locale_t __curlocale_var;
 333 # ifdef __UCLIBC_HAS_THREADS__
 334 extern __locale_t __curlocale(void)  __THROW __attribute__ ((__const__));
 335 libc_hidden_proto(__curlocale)
 336 extern __locale_t __curlocale_set(__locale_t newloc);
 337 libc_hidden_proto(__curlocale_set)
 338 #  define __UCLIBC_CURLOCALE  (__curlocale())
 339 # else
 340 #  define __UCLIBC_CURLOCALE  (__curlocale_var)
 341 # endif
 342
 343 #elif defined(__UCLIBC_HAS_LOCALE__)
 344
 345 # define __UCLIBC_CURLOCALE   (__global_locale)
 346
 347 #endif
 348 /**********************************************************************/
 349 #if defined(__UCLIBC_HAS_XLOCALE__) && defined(__UCLIBC_DO_XLOCALE)
 350
 351 # define __XL_NPP(N) N ## _l
 352 # define __LOCALE_PARAM    , __locale_t locale_arg
 353 # define __LOCALE_ARG      , locale_arg
 354 # define __LOCALE_PTR      locale_arg
 355
 356 #else
 357
 358 # define __XL_NPP(N) N
 359 # define __LOCALE_PARAM
 360 # define __LOCALE_ARG
 361 # define __LOCALE_PTR      __UCLIBC_CURLOCALE
 362
 363 #endif
 364 /**********************************************************************/
 365
 366 #endif /* _LIBC */
 367
 368 #endif /* !defined(__LOCALE_C_ONLY) */
 369
 370 #endif /* _UCLIBC_LOCALE_H */