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authorMichael Vogt <michael.vogt@ubuntu.com>2009-07-30 17:34:48 +0200
committerMichael Vogt <michael.vogt@ubuntu.com>2009-07-30 17:34:48 +0200
commit55fb35e87a1ff550cbb3010c5a03064f0a2b10be (patch)
tree6ecb92eb145eefbb0c4a6dc6a869d9e21ba10b55 /apt-pkg/contrib/hashes.cc
parentadbce12126ccc58016af69d541bafad5c8bde631 (diff)
parentd5752e18bed18c706c93f5c43c61016c72132ede (diff)
merged from debian
Diffstat (limited to 'apt-pkg/contrib/hashes.cc')
-rw-r--r--apt-pkg/contrib/hashes.cc24
1 files changed, 13 insertions, 11 deletions
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index fcc2f887c..b43771ea7 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -34,7 +34,7 @@ HashString::HashString(string Type, string Hash) : Type(Type), Hash(Hash)
{
}
-HashString::HashString(string StringedHash)
+HashString::HashString(string StringedHash) /*{{{*/
{
// legacy: md5sum without "MD5Sum:" prefix
if (StringedHash.find(":") == string::npos && StringedHash.size() == 32)
@@ -50,9 +50,8 @@ HashString::HashString(string StringedHash)
if(_config->FindB("Debug::Hashes",false) == true)
std::clog << "HashString(string): " << Type << " : " << Hash << std::endl;
}
-
-
-bool HashString::VerifyFile(string filename) const
+ /*}}}*/
+bool HashString::VerifyFile(string filename) const /*{{{*/
{
FileFd fd;
MD5Summation MD5;
@@ -83,7 +82,7 @@ bool HashString::VerifyFile(string filename) const
return (fileHash == Hash);
}
-
+ /*}}}*/
const char** HashString::SupportedHashes()
{
return _SupportedHashes;
@@ -94,13 +93,11 @@ bool HashString::empty() const
return (Type.empty() || Hash.empty());
}
-
string HashString::toStr() const
{
return Type+string(":")+Hash;
}
-
// Hashes::AddFD - Add the contents of the FD /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -108,11 +105,16 @@ bool Hashes::AddFD(int Fd,unsigned long Size)
{
unsigned char Buf[64*64];
int Res = 0;
- while (Size != 0)
+ int ToEOF = (Size == 0);
+ while (Size != 0 || ToEOF)
{
- Res = read(Fd,Buf,min(Size,(unsigned long)sizeof(Buf)));
- if (Res < 0 || (unsigned)Res != min(Size,(unsigned long)sizeof(Buf)))
- return false;
+ unsigned n = sizeof(Buf);
+ 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;
+ if (ToEOF && Res == 0) // EOF
+ break;
Size -= Res;
MD5.Add(Buf,Res);
SHA1.Add(Buf,Res);