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, 9 insertions, 0 deletions

diff --git a/src/string/wcsncasecmp.c b/src/string/wcsncasecmp.c
new file mode 100644
index 00000000..8fefe799
--- /dev/null
+++ b/src/string/wcsncasecmp.c
@@ -0,0 +1,9 @@
+#include <wchar.h>
+#include <wctype.h>
+
+int wcsncasecmp(const wchar_t *l, const wchar_t *r, size_t n)
+{
+	if (!n--) return 0;
+	for (; *l && *r && n && (*l == *r || towlower(*l) == towlower(*r)); l++, r++, n--);
+	return towlower(*l) - towlower(*r);
+}