1 #ifndef __PDCLIB_LOCALE_H
2 #define __PDCLIB_LOCALE_H __PDCLIB_LOCALE_H
3 #include <_PDCLIB_int.h>
9 #define _PDCLIB_LOCALE_METHOD_TSS 't'
10 #define _PDCLIB_LOCALE_METHOD_THREAD_LOCAL 'T'
12 #if !defined(_PDCLIB_LOCALE_METHOD)
13 /* If undefined, no POSIX per thread locales */
14 #define _PDCLIB_threadlocale() (&_PDCLIB_global_locale)
15 #elif _PDCLIB_LOCALE_METHOD == _PDCLIB_LOCALE_METHOD_TSS
16 extern tss_t _PDCLIB_locale_tss;
17 static inline locale_t _PDCLIB_threadlocale( void )
19 locale_t l = tss_get(_PDCLIB_locale_tss);
21 l = &_PDCLIB_global_locale;
25 static inline void _PDCLIB_setthreadlocale( locale_t l )
27 if ( tss_set( _PDCLIB_locale_tss, l ) != thrd_success )
30 #elif _PDCLIB_LOCALE_METHOD == _PDCLIB_LOCALE_METHOD_THREAD_LOCAL
31 extern thread_local locale_t _PDCLIB_locale_tls;
32 #define _PDCLIB_threadlocale() ( _PDCLIB_locale_tls || &_PDCLIB_global_locale )
33 static inline locale_t _PDCLIB_threadlocale( void )
35 locale_t l = _PDCLIB_locale_tls;
37 l = &_PDCLIB_global_locale;
41 static inline void _PDCLIB_setthreadlocale( locale_t l )
43 _PDCLIB_locale_tls = l;
46 #error Locale TSS method unspecified
49 /* -------------------------------------------------------------------------- */
50 /* <ctype.h> lookup tables */
51 /* -------------------------------------------------------------------------- */
53 #define _PDCLIB_CTYPE_ALPHA 1
54 #define _PDCLIB_CTYPE_BLANK 2
55 #define _PDCLIB_CTYPE_CNTRL 4
56 #define _PDCLIB_CTYPE_GRAPH 8
57 #define _PDCLIB_CTYPE_PUNCT 16
58 #define _PDCLIB_CTYPE_SPACE 32
59 #define _PDCLIB_CTYPE_LOWER 64
60 #define _PDCLIB_CTYPE_UPPER 128
61 #define _PDCLIB_CTYPE_DIGIT 256
62 #define _PDCLIB_CTYPE_XDIGT 512
64 #define _PDCLIB_WCTRANS_TOLOWER 1
65 #define _PDCLIB_WCTRANS_TOUPPER 2
67 typedef struct _PDCLIB_ctype
69 _PDCLIB_uint16_t flags;
72 unsigned char collation;
75 typedef struct _PDCLIB_wcinfo
78 _PDCLIB_uint16_t length;
79 _PDCLIB_uint16_t flags;
80 _PDCLIB_wint_t lower_delta;
81 _PDCLIB_wint_t upper_delta;
84 struct _PDCLIB_locale {
85 const _PDCLIB_charcodec_t _Codec;
89 /* XXX: Maybe re-evaluate constness of these later on? */
90 const _PDCLIB_wcinfo_t *_WCType;
91 _PDCLIB_size_t _WCTypeSize;
92 const _PDCLIB_ctype_t *_CType;
95 char *_ErrnoStr[_PDCLIB_ERRNO_MAX];
98 extern const _PDCLIB_wcinfo_t _PDCLIB_wcinfo[];
99 extern const size_t _PDCLIB_wcinfo_size;
101 static inline int _PDCLIB_wcinfo_cmp( const void * _key, const void * _obj )
103 _PDCLIB_int32_t * key = (_PDCLIB_int32_t *) _key;
104 _PDCLIB_wcinfo_t * obj = (_PDCLIB_wcinfo_t *) _obj;
105 if ( *key < obj->start )
109 else if ( *key >= obj->start + obj->length )
119 static inline _PDCLIB_wcinfo_t * _PDCLIB_wcgetinfo( locale_t l, _PDCLIB_int32_t num )
121 _PDCLIB_wcinfo_t *info = (_PDCLIB_wcinfo_t*)
122 bsearch( &num, l->_WCType, l->_WCTypeSize,
123 sizeof( l->_WCType[0] ), _PDCLIB_wcinfo_cmp );
128 static inline wint_t _PDCLIB_unpackwint( wint_t wc )
130 if( sizeof(_PDCLIB_wchar_t) == 2 && sizeof(_PDCLIB_wint_t) == 4 ) {
131 /* On UTF-16 platforms, as an extension accept a "packed surrogate"
132 * encoding. We accept the surrogate pairs either way
135 wint_t c = (wc & 0xF800F800);
136 if(c == (_PDCLIB_wint_t) 0xD800DC00) {
137 // MSW: Lead, LSW: Trail
138 wint_t lead = wc >> 16 & 0x3FF;
139 wint_t trail = wc & 0x3FF;
140 wc = lead << 10 | trail;
141 } else if(c == (_PDCLIB_wint_t) 0xDC00D800) {
142 // MSW: Trail, LSW: Lead
143 wint_t trail = wc >> 16 & 0x3FF;
144 wint_t lead = wc & 0x3FF;
145 wc = lead << 10 | trail;
152 /* Internal xlocale-style WCType API */
153 int _PDCLIB_iswalnum_l( wint_t _Wc, locale_t l );
154 int _PDCLIB_iswalpha_l( wint_t _Wc, locale_t l );
155 int _PDCLIB_iswblank_l( wint_t _Wc, locale_t l );
156 int _PDCLIB_iswcntrl_l( wint_t _Wc, locale_t l );
157 int _PDCLIB_iswdigit_l( wint_t _Wc, locale_t l );
158 int _PDCLIB_iswgraph_l( wint_t _Wc, locale_t l );
159 int _PDCLIB_iswlower_l( wint_t _Wc, locale_t l );
160 int _PDCLIB_iswprint_l( wint_t _Wc, locale_t l );
161 int _PDCLIB_iswpunct_l( wint_t _Wc, locale_t l );
162 int _PDCLIB_iswspace_l( wint_t _Wc, locale_t l );
163 int _PDCLIB_iswupper_l( wint_t _Wc, locale_t l );
164 int _PDCLIB_iswxdigit_l( wint_t _Wc, locale_t l );
165 int _PDCLIB_iswctype_l( wint_t _Wc, wctype_t _Desc, locale_t l );
166 wint_t _PDCLIB_towlower_l( wint_t _Wc, locale_t l );
167 wint_t _PDCLIB_towupper_l( wint_t _Wc, locale_t l );
168 wint_t _PDCLIB_towctrans_l( wint_t _Wc, wctrans_t _Desc, locale_t l );