1 files changed, 11 insertions, 1 deletions
diff --git a/src/utils.h b/src/utils.h
index ab8fb495..a0c3f49f 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003-2009, John Wiegley.  All rights reserved.
+ * Copyright (c) 2003-2010, John Wiegley.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
@@ -659,6 +659,16 @@ inline string to_hex(uint_least32_t * message_digest, const int len = 1)
   return buf.str();
 }
 
+inline string sha1sum(const string& str)
+{
+  SHA1 sha;
+  sha.Reset();
+  sha << str.c_str();
+  uint_least32_t message_digest[5];
+  sha.Result(message_digest);
+  return to_hex(message_digest, 5);
+}
+
 class push_xml
 {
   std::ostream& out;