[vidalia-svn] r1840: Add a base16_encode() function to encode a QByteArray as a h (in trunk: . src/util)

[edmanm@xxxxxxxxxxxxxxxxxxx]

Author: edmanm
Date: 2007-08-21 00:33:23 -0400 (Tue, 21 Aug 2007)
New Revision: 1840

Modified:
   trunk/
   trunk/src/util/string.cpp
   trunk/src/util/string.h
Log:
 r2001@adrastea:  edmanm | 2007-08-20 16:36:00 -0400
 Add a base16_encode() function to encode a QByteArray as a hexidecimal string.



Property changes on: trunk
___________________________________________________________________
 svk:merge ticket from /vidalia/local/trunk [r2001] on 54b3572a-7227-0410-958f-53ecd705b71a

Modified: trunk/src/util/string.cpp
===================================================================
--- trunk/src/util/string.cpp	2007-08-21 04:33:14 UTC (rev 1839)
+++ trunk/src/util/string.cpp	2007-08-21 04:33:23 UTC (rev 1840)
@@ -116,3 +116,17 @@
   return wrapped.trimmed();
 }
 
+/** Encodes the bytes in <b>buf</b> as an uppercase hexadecimal string and
+ * returns the result. This function is derived from base16_encode() in Tor's
+ * util.c. See LICENSE for details on Tor's license. */
+QString
+base16_encode(const QByteArray buf)
+{
+  QString hex;
+  for (int i = 0; i < buf.size(); i++) {
+    hex += "0123456789ABCDEF"[((quint8)buf[i]) >>  4];
+    hex += "0123456789ABCDEF"[((quint8)buf[i]) & 0xf];
+  }
+  return hex;
+}
+

Modified: trunk/src/util/string.h
===================================================================
--- trunk/src/util/string.h	2007-08-21 04:33:14 UTC (rev 1839)
+++ trunk/src/util/string.h	2007-08-21 04:33:23 UTC (rev 1840)
@@ -50,5 +50,10 @@
  * the end of each line, except the last.*/
 QString string_wrap(QString str, int width, QString sep, QString le);
 
+/** Encodes the bytes in <b>buf</b> as an uppercase hexadecimal string and
+ * returns the result. This function is derived from base16_encode() in Tor's
+ * util.c. See LICENSE for details on Tor's license. */
+QString base16_encode(const QByteArray buf);
+
 #endif