1 #include "locale_impl.h" 2 #include "pthread_impl.h" 3 #include "libc.h" 4 __uselocale(locale_t new)5locale_t __uselocale(locale_t new) 6 { 7 pthread_t self = __pthread_self(); 8 locale_t old = self->locale; 9 locale_t global = &libc.global_locale; 10 11 if (new) self->locale = new == LC_GLOBAL_LOCALE ? global : new; 12 13 return old == global ? LC_GLOBAL_LOCALE : old; 14 } 15 16 weak_alias(__uselocale, uselocale); 17