Implement <langinfo.h>.
POSIX locale only, as usual.
The GNU YESSTR and NOSTR extensions return the empty string in the C locale,
so I haven't bothered supporting them.
Bug: http://b/1401872
Test: bionic tests
Change-Id: I6846839e4f9f1812344ed5dce0b93f83c0c20eb3
diff --git a/libc/bionic/langinfo.cpp b/libc/bionic/langinfo.cpp
new file mode 100644
index 0000000..6f5057c
--- /dev/null
+++ b/libc/bionic/langinfo.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <langinfo.h>
+
+#include <stdlib.h>
+
+char* nl_langinfo(nl_item item) {
+ const char* result = "";
+ switch (item) {
+ case CODESET: result = (MB_CUR_MAX == 1) ? "ASCII" : "UTF-8"; break;
+
+ case D_T_FMT: result = "%F %T %z"; break;
+ case D_FMT: result = "%F"; break;
+ case T_FMT: result = "%T"; break;
+ case T_FMT_AMPM: result = "%I:%M:%S %p"; break;
+ case AM_STR: result = "AM"; break;
+ case PM_STR: result = "PM"; break;
+ case DAY_1: result = "Sunday"; break;
+ case DAY_2: result = "Monday"; break;
+ case DAY_3: result = "Tuesday"; break;
+ case DAY_4: result = "Wednesday"; break;
+ case DAY_5: result = "Thursday"; break;
+ case DAY_6: result = "Friday"; break;
+ case DAY_7: result = "Saturday"; break;
+ case ABDAY_1: result = "Sun"; break;
+ case ABDAY_2: result = "Mon"; break;
+ case ABDAY_3: result = "Tue"; break;
+ case ABDAY_4: result = "Wed"; break;
+ case ABDAY_5: result = "Thu"; break;
+ case ABDAY_6: result = "Fri"; break;
+ case ABDAY_7: result = "Sat"; break;
+ case MON_1: result = "January"; break;
+ case MON_2: result = "February"; break;
+ case MON_3: result = "March"; break;
+ case MON_4: result = "April"; break;
+ case MON_5: result = "May"; break;
+ case MON_6: result = "June"; break;
+ case MON_7: result = "July"; break;
+ case MON_8: result = "August"; break;
+ case MON_9: result = "September"; break;
+ case MON_10: result = "October"; break;
+ case MON_11: result = "November"; break;
+ case MON_12: result = "December"; break;
+ case ABMON_1: result = "Jan"; break;
+ case ABMON_2: result = "Feb"; break;
+ case ABMON_3: result = "Mar"; break;
+ case ABMON_4: result = "Apr"; break;
+ case ABMON_5: result = "May"; break;
+ case ABMON_6: result = "Jun"; break;
+ case ABMON_7: result = "Jul"; break;
+ case ABMON_8: result = "Aug"; break;
+ case ABMON_9: result = "Sep"; break;
+ case ABMON_10: result = "Oct"; break;
+ case ABMON_11: result = "Nov"; break;
+ case ABMON_12: result = "Dec"; break;
+ case ERA: result = ""; break;
+ case ERA_D_FMT: result = ""; break;
+ case ERA_D_T_FMT: result = ""; break;
+ case ERA_T_FMT: result = ""; break;
+ case ALT_DIGITS: result = ""; break;
+
+ case RADIXCHAR: result = "."; break;
+ case THOUSEP: result = ""; break;
+
+ case YESEXPR: result = "^[yY]"; break;
+ case NOEXPR: result = "^[nN]"; break;
+
+ case CRNCYSTR: result = ""; break;
+
+ default: break;
+ }
+ return const_cast<char*>(result);
+}
+
+char* nl_langinfo_l(nl_item item, locale_t) {
+ return nl_langinfo(item);
+}