1 files changed, 39 insertions, 0 deletions
diff --git a/newlib/libc/ctype/iswxdigit.c b/newlib/libc/ctype/iswxdigit.c
new file mode 100644
index 000000000..73d8fa445
--- /dev/null
+++ b/newlib/libc/ctype/iswxdigit.c
@@ -0,0 +1,39 @@
+/*
+FUNCTION
+	<<iswxdigit>>---hexadecimal digit wide-character test
+
+INDEX
+	iswxdigit
+
+ANSI_SYNOPSIS
+	#include <wctype.h>
+	int iswxdigit(wint_t <[c]>);
+
+TRAD_SYNOPSIS
+	#include <wctype.h>
+	int iswxdigit(<[c]>)
+	wint_t <[c]>;
+
+DESCRIPTION
+<<iswxdigit>> is a function which classifies wide-character values that
+are hexadecimal digits.
+
+RETURNS
+<<iswxdigit>> returns non-zero if <[c]> is a hexadecimal digit wide-character.
+
+PORTABILITY
+<<iswxdigit>> is C99.
+
+No supporting OS subroutines are required.
+*/
+#include <_ansi.h>
+#include <wctype.h>
+
+int
+_DEFUN(iswxdigit,(c), wint_t c)
+{
+  return ((c >= (wint_t)'0' && c <= (wint_t)'9') ||
+	  (c >= (wint_t)'a' && c <= (wint_t)'f') ||
+	  (c >= (wint_t)'A' && c <= (wint_t)'F'));
+}
+