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authorMichael Vogt <michael.vogt@ubuntu.com>2011-06-29 12:45:30 +0100
committerMichael Vogt <michael.vogt@ubuntu.com>2011-06-29 12:45:30 +0100
commit9abccf4a63b6c887b213678d940fe912233f04c3 (patch)
tree8a22c910a0c8258f29784614aca9c0ebd2cc32d6 /apt-pkg/contrib/hashsum_template.h
parentc56c4b82dd77258da5640bf9f63a8db10424b59a (diff)
parent627e99b0328e05b13600134655253d36575f314d (diff)
merge lp:~mvo/apt/abi-break
Diffstat (limited to 'apt-pkg/contrib/hashsum_template.h')
-rw-r--r--apt-pkg/contrib/hashsum_template.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/apt-pkg/contrib/hashsum_template.h b/apt-pkg/contrib/hashsum_template.h
new file mode 100644
index 000000000..7667baf92
--- /dev/null
+++ b/apt-pkg/contrib/hashsum_template.h
@@ -0,0 +1,87 @@
+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+// $Id: hashsum_template.h,v 1.3 2001/05/07 05:05:47 jgg Exp $
+/* ######################################################################
+
+ HashSumValueTemplate - Generic Storage for a hash value
+
+ ##################################################################### */
+ /*}}}*/
+#ifndef APTPKG_HASHSUM_TEMPLATE_H
+#define APTPKG_HASHSUM_TEMPLATE_H
+
+#include <string>
+#include <cstring>
+#include <algorithm>
+#include <stdint.h>
+
+using std::string;
+using std::min;
+
+template<int N>
+class HashSumValue
+{
+ unsigned char Sum[N/8];
+
+ public:
+
+ // Accessors
+ bool operator ==(const HashSumValue &rhs) const
+ {
+ return memcmp(Sum,rhs.Sum,sizeof(Sum)) == 0;
+ };
+
+ string Value() const
+ {
+ char Conv[16] =
+ { '0','1','2','3','4','5','6','7','8','9','a','b',
+ 'c','d','e','f'
+ };
+ char Result[((N/8)*2)+1];
+ Result[(N/8)*2] = 0;
+
+ // Convert each char into two letters
+ int J = 0;
+ int I = 0;
+ for (; I != (N/8)*2; J++,I += 2)
+ {
+ Result[I] = Conv[Sum[J] >> 4];
+ Result[I + 1] = Conv[Sum[J] & 0xF];
+ }
+ return string(Result);
+ };
+
+ inline void Value(unsigned char S[N/8])
+ {
+ for (int I = 0; I != sizeof(Sum); I++)
+ S[I] = Sum[I];
+ };
+
+ inline operator string() const
+ {
+ return Value();
+ };
+
+ bool Set(string Str)
+ {
+ return Hex2Num(Str,Sum,sizeof(Sum));
+ };
+
+ inline void Set(unsigned char S[N/8])
+ {
+ for (int I = 0; I != sizeof(Sum); I++)
+ Sum[I] = S[I];
+ };
+
+ HashSumValue(string Str)
+ {
+ memset(Sum,0,sizeof(Sum));
+ Set(Str);
+ }
+ HashSumValue()
+ {
+ memset(Sum,0,sizeof(Sum));
+ }
+};
+
+#endif