From 37005cc443d8725a0103fdd4ded0b1d38853ef42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C5=99emysl=20Janouch?= <p.janouch@gmail.com>
Date: Sat, 2 May 2015 22:33:49 +0200
Subject: [PATCH] Fix isspace_ascii(), add new _ascii() functions

---
 liberty.c | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

diff --git a/liberty.c b/liberty.c
index 05c2a79..b3ea3e3 100644
--- a/liberty.c
+++ b/liberty.c
@@ -1805,10 +1805,36 @@ strcasecmp_ascii (const char *a, const char *b)
 	return 0;
 }
 
+static bool
+isalpha_ascii (int c)
+{
+	c &= ~32;
+	return c >= 'A' && c <= 'Z';
+}
+
+static bool
+isdigit_ascii (int c)
+{
+	return c >= '0' && c <= '9';
+}
+
+static bool
+isalnum_ascii (int c)
+{
+	return isalpha_ascii (c) || isdigit_ascii (c);
+}
+
+static int
+toupper_ascii (int c)
+{
+	return c >= 'A' && c <= 'Z' ? c : c - ('a' - 'A');
+}
+
 static bool
 isspace_ascii (int c)
 {
-	return c == '\f' || c == '\n' || c == '\r' || c == '\t' || c == '\v';
+	return c == ' '  || c == '\f' || c == '\n'
+		|| c == '\r' || c == '\t' || c == '\v';
 }
 
 // --- UTF-8 -------------------------------------------------------------------