[epiphany] Ignore case of URL schemes

[Xan Lopez <xan src gnome org>]

commit 4abc19223f8e8678e62148772215522dc5396448
Author: Jose Millan Soto <jmillan igalia com>
Date:   Wed Apr 7 11:12:28 2010 +0200

    Ignore case of URL schemes
    
    We only accept lowercase schemes right now, for no good reason.
    
    Bug #605089
    
    Signed-off-by: Xan Lopez <xan gnome org>

 embed/ephy-embed-utils.c |   23 ++++++++++++++---------
 1 files changed, 14 insertions(+), 9 deletions(-)
---
diff --git a/embed/ephy-embed-utils.c b/embed/ephy-embed-utils.c
index 3463f2d..e163680 100644
--- a/embed/ephy-embed-utils.c
+++ b/embed/ephy-embed-utils.c
@@ -81,18 +81,23 @@ gboolean
 ephy_embed_utils_address_has_web_scheme (const char *address)
 {
 	gboolean has_web_scheme;
+	int colonpos;
 
 	if (address == NULL) return FALSE;
 
-	has_web_scheme = (g_str_has_prefix (address, "http:") ||
-			  g_str_has_prefix (address, "https:") ||
-			  g_str_has_prefix (address, "ftp:") ||
-			  g_str_has_prefix (address, "file:") ||
-			  g_str_has_prefix (address, "data:") ||
-			  g_str_has_prefix (address, "about:") ||
-			  g_str_has_prefix (address, "javascript:") ||
-			  g_str_has_prefix (address, "mailto:";) ||
-			  g_str_has_prefix (address, "gopher:"));
+	colonpos = (int)((g_strstr_len (address, 11, ":")) - address);
+
+	if (colonpos < 0) return FALSE;
+
+	has_web_scheme = !(g_ascii_strncasecmp (address, "http", colonpos) &&
+			   g_ascii_strncasecmp (address, "https", colonpos) &&
+			   g_ascii_strncasecmp (address, "ftp", colonpos) &&
+			   g_ascii_strncasecmp (address, "file", colonpos) &&
+			   g_ascii_strncasecmp (address, "javascript", colonpos) &&
+			   g_ascii_strncasecmp (address, "data", colonpos) &&
+			   g_ascii_strncasecmp (address, "about", colonpos) &&
+			   g_ascii_strncasecmp (address, "gopher", colonpos) &&
+			   g_ascii_strncasecmp (address, "mailto", colonpos));
 
 	return has_web_scheme;
 }