make nsurl__create_from_section correctly escape characters as per RFC3986

svn path=/trunk/netsurf/; revision=12948

1 files changed, 10 insertions, 0 deletions

diff --git a/utils/utils.h b/utils/utils.h
index 079708843..ffd4f2977 100644
--- a/utils/utils.h
+++ b/utils/utils.h
@@ -151,6 +151,16 @@ inline static char digit2lowcase_hex(unsigned char digit) {
 	return "0123456789abcdef"[digit];
 }
 
+/**
+ * Return a hex digit for the given numerical value.
+ *
+ * \return character in range 0-9A-F
+ */
+inline static char digit2uppercase_hex(unsigned char digit) {
+	assert(digit < 16);
+	return "0123456789ABCDEF"[digit];
+}
+
 
 /* Platform specific functions */
 void die(const char * const error);