From fc00c656c96528112d05cf0edf8631bd5eaea446 Mon Sep 17 00:00:00 2001
From: Kacper <kacper@mail.openlinux.dev>
Date: Sun, 7 Dec 2025 20:10:31 +0100
Subject: Add build system scaffolding and libc headers

---
 lib/libc/wctype/iswxdigit.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)
 create mode 100644 lib/libc/wctype/iswxdigit.c

(limited to 'lib/libc/wctype/iswxdigit.c')

diff --git a/lib/libc/wctype/iswxdigit.c b/lib/libc/wctype/iswxdigit.c
new file mode 100644
index 00000000..fae88730
--- /dev/null
+++ b/lib/libc/wctype/iswxdigit.c
@@ -0,0 +1,12 @@
+#include <libc.h>
+#include <wctype.h>
+
+int iswxdigit(wint_t wc)
+{
+	return (unsigned)(wc - '0') < 10 || (unsigned)((wc | 32) - 'a') < 6;
+}
+
+weak int iswxdigit_l(wint_t wc, locale_t unused locale)
+{
+	return iswxdigit(wc);
+}
-- 
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