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-rw-r--r--src/basic/locale-util.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/src/basic/locale-util.c b/src/basic/locale-util.c
index 9db906316b..b87fd7670b 100644
--- a/src/basic/locale-util.c
+++ b/src/basic/locale-util.c
@@ -19,6 +19,8 @@
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
+#include <langinfo.h>
+#include <locale.h>
#include <sys/mman.h>
#include "dirent-util.h"
@@ -208,6 +210,88 @@ bool locale_is_valid(const char *name) {
return true;
}
+void init_gettext(void) {
+ setlocale(LC_ALL, "");
+ textdomain(GETTEXT_PACKAGE);
+}
+
+bool is_locale_utf8(void) {
+ const char *set;
+ static int cached_answer = -1;
+
+ /* Note that we default to 'true' here, since today UTF8 is
+ * pretty much supported everywhere. */
+
+ if (cached_answer >= 0)
+ goto out;
+
+ if (!setlocale(LC_ALL, "")) {
+ cached_answer = true;
+ goto out;
+ }
+
+ set = nl_langinfo(CODESET);
+ if (!set) {
+ cached_answer = true;
+ goto out;
+ }
+
+ if (streq(set, "UTF-8")) {
+ cached_answer = true;
+ goto out;
+ }
+
+ /* For LC_CTYPE=="C" return true, because CTYPE is effectly
+ * unset and everything can do to UTF-8 nowadays. */
+ set = setlocale(LC_CTYPE, NULL);
+ if (!set) {
+ cached_answer = true;
+ goto out;
+ }
+
+ /* Check result, but ignore the result if C was set
+ * explicitly. */
+ cached_answer =
+ STR_IN_SET(set, "C", "POSIX") &&
+ !getenv("LC_ALL") &&
+ !getenv("LC_CTYPE") &&
+ !getenv("LANG");
+
+out:
+ return (bool) cached_answer;
+}
+
+
+const char *draw_special_char(DrawSpecialChar ch) {
+
+ static const char *draw_table[2][_DRAW_SPECIAL_CHAR_MAX] = {
+
+ /* UTF-8 */ {
+ [DRAW_TREE_VERTICAL] = "\342\224\202 ", /* │ */
+ [DRAW_TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
+ [DRAW_TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
+ [DRAW_TREE_SPACE] = " ", /* */
+ [DRAW_TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
+ [DRAW_BLACK_CIRCLE] = "\342\227\217", /* ● */
+ [DRAW_ARROW] = "\342\206\222", /* → */
+ [DRAW_DASH] = "\342\200\223", /* – */
+ },
+
+ /* ASCII fallback */ {
+ [DRAW_TREE_VERTICAL] = "| ",
+ [DRAW_TREE_BRANCH] = "|-",
+ [DRAW_TREE_RIGHT] = "`-",
+ [DRAW_TREE_SPACE] = " ",
+ [DRAW_TRIANGULAR_BULLET] = ">",
+ [DRAW_BLACK_CIRCLE] = "*",
+ [DRAW_ARROW] = "->",
+ [DRAW_DASH] = "-",
+ }
+ };
+
+ return draw_table[!is_locale_utf8()][ch];
+}
+
static const char * const locale_variable_table[_VARIABLE_LC_MAX] = {
[VARIABLE_LANG] = "LANG",
[VARIABLE_LANGUAGE] = "LANGUAGE",