More SHA-1 prep

Author: jgg
Date: 2001-03-06 07:15:29 GMT
More SHA-1 prep

1 files changed, 43 insertions, 0 deletions

diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
new file mode 100644
index 000000000..af741b672
--- /dev/null
+++ b/apt-pkg/contrib/hashes.cc
@@ -0,0 +1,43 @@
+// -*- mode: cpp; mode: fold -*-
+// Description								/*{{{*/
+// $Id: hashes.cc,v 1.1 2001/03/06 07:15:29 jgg Exp $
+/* ######################################################################
+
+   Hashes - Simple wrapper around the hash functions
+   
+   This is just used to make building the methods simpler, this is the
+   only interface required..
+   
+   ##################################################################### */
+									/*}}}*/
+// Include Files							/*{{{*/
+#ifdef __GNUG__
+#pragma implementation "apt-pkg/hashes.h"
+#endif
+
+#include <apt-pkg/hashes.h>
+    
+#include <unistd.h>    
+#include <system.h>    
+									/*}}}*/
+
+// Hashes::AddFD - Add the contents of the FD				/*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool Hashes::AddFD(int Fd,unsigned long Size)
+{
+   unsigned char Buf[64*64];
+   int Res = 0;
+   while (Size != 0)
+   {
+      Res = read(Fd,Buf,MIN(Size,sizeof(Buf)));
+      if (Res < 0 || (unsigned)Res != MIN(Size,sizeof(Buf)))
+	 return false;
+      Size -= Res;
+      MD5.Add(Buf,Res);
+      SHA1.Add(Buf,Res);
+   }
+   return true;
+}
+									/*}}}*/
+