add all missing wchar functions except floating point parsers

these are mostly untested and adapted directly from corresponding byte
string functions and similar.

1 files changed, 12 insertions, 0 deletions

diff --git a/src/string/wcstok.c b/src/string/wcstok.c
new file mode 100644
index 00000000..c932d0a0
--- /dev/null
+++ b/src/string/wcstok.c
@@ -0,0 +1,12 @@
+#include <wchar.h>
+
+wchar_t *wcstok(wchar_t *s, const wchar_t *sep, wchar_t **p)
+{
+	if (!s && !(s = *p)) return NULL;
+	s += wcsspn(s, sep);
+	if (!*s) return *p = 0;
+	*p = s + wcscspn(s, sep);
+	if (**p) *(*p)++ = 0;
+	else *p = 0;
+	return s;
+}