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author | David Kalnischkies <kalnischkies@gmail.com> | 2011-06-29 19:21:34 +0200 |
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committer | David Kalnischkies <kalnischkies@gmail.com> | 2011-06-29 19:21:34 +0200 |
commit | 8f8ed8f4e50fd98aa43ee69971cac8bda55760f1 (patch) | |
tree | 79dbb2f29aca55db49f8e7213094a8423caa343e /apt-pkg/contrib/hashsum_template.h | |
parent | d953d210bb54accb416f2144104b79dcd29198ba (diff) | |
parent | 6f747894998e10649d0237fe5f7b9b85a5266f1f (diff) |
merge with debian-experimental 0.8.16~exp2 release
Diffstat (limited to 'apt-pkg/contrib/hashsum_template.h')
-rw-r--r-- | apt-pkg/contrib/hashsum_template.h | 87 |
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 |