diff options
Diffstat (limited to 'lib/libc/locale/collate.h')
-rw-r--r-- | lib/libc/locale/collate.h | 107 |
1 files changed, 82 insertions, 25 deletions
diff --git a/lib/libc/locale/collate.h b/lib/libc/locale/collate.h index ad034d4..9812589 100644 --- a/lib/libc/locale/collate.h +++ b/lib/libc/locale/collate.h @@ -1,4 +1,5 @@ /*- + * Copyright 2010 Nexenta Systems, Inc. All rights reserved. * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua> * at Electronni Visti IA, Kiev, Ukraine. * All rights reserved. @@ -40,42 +41,98 @@ #include <limits.h> #include "xlocale_private.h" -#define STR_LEN 10 -#define TABLE_SIZE 100 -#define COLLATE_VERSION "1.0\n" -#define COLLATE_VERSION1_2 "1.2\n" +/* + * Work around buildworld bootstrapping from older systems whose limits.h + * sets COLL_WEIGHTS_MAX to 0. + */ +#if COLL_WEIGHTS_MAX == 0 +#undef COLL_WEIGHTS_MAX +#define COLL_WEIGHTS_MAX 10 +#endif -struct __collate_st_char_pri { - int prim, sec; -}; -struct __collate_st_chain_pri { - u_char str[STR_LEN]; - int prim, sec; -}; +#define COLLATE_STR_LEN 24 /* should be 64-bit multiple */ +#define COLLATE_VERSION "BSD 1.0\n" + +#define COLLATE_MAX_PRIORITY (0x7fffffff) /* max signed value */ +#define COLLATE_SUBST_PRIORITY (0x40000000) /* bit indicates subst table */ -#define __collate_substitute_table (*__collate_substitute_table_ptr) -#define __collate_char_pri_table (*__collate_char_pri_table_ptr) +#define DIRECTIVE_UNDEF 0x00 +#define DIRECTIVE_FORWARD 0x01 +#define DIRECTIVE_BACKWARD 0x02 +#define DIRECTIVE_POSITION 0x04 +#define DIRECTIVE_UNDEFINED 0x08 /* special last weight for UNDEFINED */ + +#define DIRECTIVE_DIRECTION_MASK (DIRECTIVE_FORWARD | DIRECTIVE_BACKWARD) + +/* + * The collate file format is as follows: + * + * char version[COLLATE_STR_LEN]; // must be COLLATE_VERSION + * collate_info_t info; // see below, includes padding + * collate_char_pri_t char_data[256]; // 8 bit char values + * collate_subst_t subst[*]; // 0 or more substitutions + * collate_chain_pri_t chains[*]; // 0 or more chains + * collate_large_pri_t large[*]; // extended char priorities + * + * Note that all structures must be 32-bit aligned, as each structure + * contains 32-bit member fields. The entire file is mmap'd, so its + * critical that alignment be observed. It is not generally safe to + * use any 64-bit values in the structures. + */ + +typedef struct collate_info { + uint8_t directive_count; + uint8_t directive[COLL_WEIGHTS_MAX]; + int32_t pri_count[COLL_WEIGHTS_MAX]; + int32_t flags; + int32_t chain_count; + int32_t large_count; + int32_t subst_count[COLL_WEIGHTS_MAX]; + int32_t undef_pri[COLL_WEIGHTS_MAX]; +} collate_info_t; + +typedef struct collate_char { + int32_t pri[COLL_WEIGHTS_MAX]; +} collate_char_t; + +typedef struct collate_chain { + wchar_t str[COLLATE_STR_LEN]; + int32_t pri[COLL_WEIGHTS_MAX]; +} collate_chain_t; + +typedef struct collate_large { + int32_t val; + collate_char_t pri; +} collate_large_t; + +typedef struct collate_subst { + int32_t key; + int32_t pri[COLLATE_STR_LEN]; +} collate_subst_t; struct xlocale_collate { struct xlocale_component header; int __collate_load_error; - int __collate_substitute_nontrivial; + char * map; + size_t maplen; - u_char (*__collate_substitute_table_ptr)[UCHAR_MAX + 1][STR_LEN]; - struct __collate_st_char_pri (*__collate_char_pri_table_ptr)[UCHAR_MAX + 1]; - struct __collate_st_chain_pri *__collate_chain_pri_table; + collate_info_t *info; + collate_char_t *char_pri_table; + collate_large_t *large_pri_table; + collate_chain_t *chain_pri_table; + collate_subst_t *subst_table[COLL_WEIGHTS_MAX]; }; - __BEGIN_DECLS -u_char *__collate_strdup(u_char *); -u_char *__collate_substitute(struct xlocale_collate *, const u_char *); int __collate_load_tables(const char *); -void __collate_lookup(struct xlocale_collate *, const u_char *, int *, int *, int *); -int __collate_range_cmp(struct xlocale_collate *, int, int); -#ifdef COLLATE_DEBUG -void __collate_print_tables(void); -#endif +int __collate_equiv_value(locale_t, const wchar_t *, size_t); +void _collate_lookup(struct xlocale_collate *,const wchar_t *, int *, int *, + int, const int **); +int __collate_range_cmp(struct xlocale_collate *, wchar_t, wchar_t); +size_t _collate_wxfrm(struct xlocale_collate *, const wchar_t *, wchar_t *, + size_t); +size_t _collate_sxfrm(struct xlocale_collate *, const wchar_t *, char *, + size_t); __END_DECLS #endif /* !_COLLATE_H_ */ |