From 0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 Mon Sep 17 00:00:00 2001
From: Rich Felker <dalias@aerifal.cx>
Date: Sat, 12 Feb 2011 00:22:29 -0500
Subject: initial check-in, version 0.5.0

---
 src/ctype/iswprint.c | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 src/ctype/iswprint.c

(limited to 'src/ctype/iswprint.c')

diff --git a/src/ctype/iswprint.c b/src/ctype/iswprint.c
new file mode 100644
index 00000000..7717671a
--- /dev/null
+++ b/src/ctype/iswprint.c
@@ -0,0 +1,10 @@
+#include <wctype.h>
+
+int iswprint(wint_t wc)
+{
+	unsigned c = wc;
+	/* assume any non-control, non-illegal codepoint is printable */
+	if (c>0x10ffff || c-0xd800<0x800 || (c&0xfffe)==0xfffe || iswcntrl(c))
+		return 0;
+	return 1;
+}
-- 
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