lineedit: fixes for CONFIG_UNICODE_USING_LOCALE=y

function                                             old     new   delta
load_string                                           45      91     +46
save_string                                           40      82     +42
reinit_unicode                                        34      61     +27
BB_PUTCHAR                                            97     120     +23
init_unicode                                          17      37     +20
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 5/0 up/down: 158/0)             Total: 158 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/libbb/unicode.c b/libbb/unicode.c
index d01efd9a2..99dc1dfa6 100644
--- a/libbb/unicode.c
+++ b/libbb/unicode.c
@@ -23,12 +23,13 @@ uint8_t unicode_status;
 
 /* Unicode support using libc locale support. */
 
-void FAST_FUNC reinit_unicode(const char *LANG UNUSED_PARAM)
+void FAST_FUNC reinit_unicode(const char *LANG)
 {
         static const char unicode_0x394[] = { 0xce, 0x94, 0 };
         size_t width;
 
-//TODO: call setlocale(LC_ALL, LANG) here?
+//TODO: avoid repeated calls by caching last string?
+        setlocale(LC_ALL, (LANG && LANG[0]) ? LANG : "C");
 
         /* In unicode, this is a one character string */
 // can use unicode_strlen(string) too, but otherwise unicode_strlen() is unused
@@ -39,7 +40,7 @@ void FAST_FUNC reinit_unicode(const char *LANG UNUSED_PARAM)
 void FAST_FUNC init_unicode(void)
 {
         if (unicode_status == UNICODE_UNKNOWN)
-                reinit_unicode(NULL /*getenv("LANG")*/);
+                reinit_unicode(getenv("LANG"));
 }
 
 #else