fix wide printf forms ignoring width for %lc format specifier

[musl] / src / locale / uselocale.c

diff --git a/src/locale/uselocale.c b/src/locale/uselocale.c
index 9c79957..0fc5ecb 100644 (file)
--- a/src/locale/uselocale.c
+++ b/src/locale/uselocale.c
@@ -1,10 +1,16 @@
 #include "locale_impl.h"
 #include "pthread_impl.h"
+#include "libc.h"
 
-locale_t uselocale(locale_t l)
+locale_t __uselocale(locale_t new)
 {
-       pthread_t self = pthread_self();
+       pthread_t self = __pthread_self();
        locale_t old = self->locale;
-       if (l) self->locale = l;
-       return old;
+       locale_t global = &libc.global_locale;
+
+       if (new) self->locale = new == LC_GLOBAL_LOCALE ? global : new;
+
+       return old == global ? LC_GLOBAL_LOCALE : old;
 }
+
+weak_alias(__uselocale, uselocale);