From 1dab797ca6dc0357474675a0f132c962dee4a2c2 Mon Sep 17 00:00:00 2001
From: David Kalnischkies <kalnischkies@gmail.com>
Date: Wed, 13 Jul 2011 23:10:38 +0200
Subject: enable Hashes::AddFD() to skip creation of certain hashes

---
 apt-pkg/contrib/hashes.cc | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'apt-pkg/contrib/hashes.cc')

diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index 66ae33146..d217747df 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -107,7 +107,8 @@ string HashString::toStr() const
 // Hashes::AddFD - Add the contents of the FD				/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-bool Hashes::AddFD(int Fd,unsigned long Size)
+bool Hashes::AddFD(int const Fd,unsigned long Size, bool const addMD5,
+		   bool const addSHA1, bool const addSHA256, bool const addSHA512)
 {
    unsigned char Buf[64*64];
    int Res = 0;
@@ -118,14 +119,18 @@ bool Hashes::AddFD(int Fd,unsigned long Size)
       if (!ToEOF) n = min(Size,(unsigned long)n);
       Res = read(Fd,Buf,n);
       if (Res < 0 || (!ToEOF && (unsigned) Res != n)) // error, or short read
-         return false;
+	 return false;
       if (ToEOF && Res == 0) // EOF
-         break;
+	 break;
       Size -= Res;
-      MD5.Add(Buf,Res);
-      SHA1.Add(Buf,Res);
-      SHA256.Add(Buf,Res);
-      SHA512.Add(Buf,Res);
+      if (addMD5 == true)
+	 MD5.Add(Buf,Res);
+      if (addSHA1 == true)
+	 SHA1.Add(Buf,Res);
+      if (addSHA256 == true)
+	 SHA256.Add(Buf,Res);
+      if (addSHA512 == true)
+	 SHA512.Add(Buf,Res);
    }
    return true;
 }
-- 
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