From df89feecc27df8393a501fa147e1936d33ed7892 Mon Sep 17 00:00:00 2001
From: Andrew Sidwell <andy@entai.co.uk>
Date: Fri, 11 Jul 2008 15:37:33 +0000
Subject: Commit hubbub_string_match_ci().

svn path=/trunk/hubbub/; revision=4604
---
 src/utils/string.c | 25 +++++++++++++++++++++++++
 src/utils/string.h |  3 +++
 2 files changed, 28 insertions(+)

(limited to 'src/utils')

diff --git a/src/utils/string.c b/src/utils/string.c
index ea588f7..5a2a0bc 100644
--- a/src/utils/string.c
+++ b/src/utils/string.c
@@ -60,3 +60,28 @@ bool hubbub_string_match(const uint8_t *a, size_t a_len,
 	return true;
 }
 
+/**
+ * Check that one string is case-insensitively equal to another
+ *
+ * \param a	String to compare
+ * \param a_len	Length of first string
+ * \param b	String to compare
+ * \param b_len	Length of second string
+ */
+bool hubbub_string_match_ci(const uint8_t *a, size_t a_len,
+		const uint8_t *b, size_t b_len)
+{
+	uint8_t z1, z2;
+
+	if (a_len != b_len)
+		return false;
+
+	for (const uint8_t *s1 = a, *s2 = b; b_len > 0; s1++, s2++, b_len--)
+	{
+		z1 = (*s1 & ~0x20);
+		z2 = (*s2 & ~0x20);
+		if (z1 != z2) return false;
+	}
+
+	return true;
+}
diff --git a/src/utils/string.h b/src/utils/string.h
index d6bfe42..cb65493 100644
--- a/src/utils/string.h
+++ b/src/utils/string.h
@@ -13,4 +13,7 @@ bool hubbub_string_starts(const uint8_t *a, size_t a_len,
 bool hubbub_string_match(const uint8_t *a, size_t a_len,
 		const uint8_t *b, size_t b_len);
 
+bool hubbub_string_match_ci(const uint8_t *a, size_t a_len,
+		const uint8_t *b, size_t b_len);
+
 #endif
-- 
cgit v1.2.3