1 files changed, 73 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/locale/langinfo.c b/libc-top-half/musl/src/locale/langinfo.c
new file mode 100644
index 0000000..1477309
--- /dev/null
+++ b/libc-top-half/musl/src/locale/langinfo.c
@@ -0,0 +1,73 @@
+#include <locale.h>
+#include <langinfo.h>
+#include "locale_impl.h"
+
+static const char c_time[] =
+	"Sun\0" "Mon\0" "Tue\0" "Wed\0" "Thu\0" "Fri\0" "Sat\0"
+	"Sunday\0" "Monday\0" "Tuesday\0" "Wednesday\0"
+	"Thursday\0" "Friday\0" "Saturday\0"
+	"Jan\0" "Feb\0" "Mar\0" "Apr\0" "May\0" "Jun\0"
+	"Jul\0" "Aug\0" "Sep\0" "Oct\0" "Nov\0" "Dec\0"
+	"January\0"   "February\0" "March\0"    "April\0"
+	"May\0"       "June\0"     "July\0"     "August\0"
+	"September\0" "October\0"  "November\0" "December\0"
+	"AM\0" "PM\0"
+	"%a %b %e %T %Y\0"
+	"%m/%d/%y\0"
+	"%H:%M:%S\0"
+	"%I:%M:%S %p\0"
+	"\0"
+	"\0"
+	"%m/%d/%y\0"
+	"0123456789\0"
+	"%a %b %e %T %Y\0"
+	"%H:%M:%S";
+
+static const char c_messages[] = "^[yY]\0" "^[nN]\0" "yes\0" "no";
+static const char c_numeric[] = ".\0" "";
+
+char *__nl_langinfo_l(nl_item item, locale_t loc)
+{
+	int cat = item >> 16;
+	int idx = item & 65535;
+	const char *str;
+
+	if (item == CODESET) return loc->cat[LC_CTYPE] ? "UTF-8" : "ASCII";
+
+	/* _NL_LOCALE_NAME extension */
+	if (idx == 65535 && cat < LC_ALL)
+		return loc->cat[cat] ? (char *)loc->cat[cat]->name : "C";
+	
+	switch (cat) {
+	case LC_NUMERIC:
+		if (idx > 1) return "";
+		str = c_numeric;
+		break;
+	case LC_TIME:
+		if (idx > 0x31) return "";
+		str = c_time;
+		break;
+	case LC_MONETARY:
+		if (idx > 0) return "";
+		str = "";
+		break;
+	case LC_MESSAGES:
+		if (idx > 3) return "";
+		str = c_messages;
+		break;
+	default:
+		return "";
+	}
+
+	for (; idx; idx--, str++) for (; *str; str++);
+	if (cat != LC_NUMERIC && *str) str = LCTRANS(str, cat, loc);
+	return (char *)str;
+}
+
+char *__nl_langinfo(nl_item item)
+{
+	return __nl_langinfo_l(item, CURRENT_LOCALE);
+}
+
+weak_alias(__nl_langinfo, nl_langinfo);
+weak_alias(__nl_langinfo_l, nl_langinfo_l);