+#define _PDCLIB_LOCALE_METHOD_TSS 't'
+#define _PDCLIB_LOCALE_METHOD_THREAD_LOCAL 'T'
+
+#if !defined(_PDCLIB_LOCALE_METHOD)
+ #error _PDCLIB_LOCALE_METHOD undefined: don't know where I'm storing the thread locale
+#elif _PDCLIB_LOCALE_METHOD == _PDCLIB_LOCALE_METHOD_TSS
+ extern tss_t _PDCLIB_locale_tss;
+ static inline locale_t _PDCLIB_threadlocale( void )
+ {
+ locale_t l = tss_get(_PDCLIB_locale_tss);
+ if(l == NULL)
+ l = &_PDCLIB_global_locale;
+ return l;
+ }
+
+ static inline void _PDCLIB_setthreadlocale( locale_t l )
+ {
+ if(tss_set(_PDCLIB_locale_tss, l) != thrd_success)
+ abort();
+ }
+#elif _PDCLIB_LOCALE_METHOD == _PDCLIB_LOCALE_METHOD_THREAD_LOCAL
+ extern thread_local locale_t _PDCLIB_locale_tls;
+ #define _PDCLIB_threadlocale() (_PDCLIB_locale_tls || &_PDCLIB_global_locale)
+ static inline locale_t _PDCLIB_threadlocale( void )
+ {
+ locale_t l = _PDCLIB_locale_tls;
+ if(l == NULL)
+ l = &_PDCLIB_global_locale;
+ return l;
+ }
+
+ static inline void _PDCLIB_setthreadlocale( locale_t l )
+ {
+ _PDCLIB_locale_tls = l;
+ }
+#else
+ #error Locale TSS method unspecified
+#endif
+
+/* -------------------------------------------------------------------------- */
+/* <ctype.h> lookup tables */
+/* -------------------------------------------------------------------------- */
+
+#define _PDCLIB_CTYPE_ALPHA 1
+#define _PDCLIB_CTYPE_BLANK 2
+#define _PDCLIB_CTYPE_CNTRL 4
+#define _PDCLIB_CTYPE_GRAPH 8
+#define _PDCLIB_CTYPE_PUNCT 16
+#define _PDCLIB_CTYPE_SPACE 32
+#define _PDCLIB_CTYPE_LOWER 64
+#define _PDCLIB_CTYPE_UPPER 128
+#define _PDCLIB_CTYPE_DIGIT 256
+#define _PDCLIB_CTYPE_XDIGT 512
+
+typedef struct _PDCLIB_ctype
+{
+ _PDCLIB_uint16_t flags;
+ unsigned char upper;
+ unsigned char lower;
+ unsigned char collation;
+} _PDCLIB_ctype_t;