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-rw-r--r--apt-pkg/tagfile.cc4
1 files changed, 2 insertions, 2 deletions
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 8fcbeb23b..0bc6ce6fd 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -192,12 +192,12 @@ bool pkgTagFile::Jump(pkgTagSection &Tag,unsigned long Offset)
// ---------------------------------------------------------------------
/* This looks for the first double new line in the data stream. It also
indexes the tags in the section. This very simple hash function for the
- first 3 letters gives very good performance on the debian package files */
+ last 8 letters gives very good performance on the debian package files */
inline static unsigned long AlphaHash(const char *Text, const char *End = 0)
{
unsigned long Res = 0;
for (; Text != End && *Text != ':' && *Text != 0; Text++)
- Res = (unsigned long)(*Text) ^ (Res << 2);
+ Res = ((unsigned long)(*Text) & 0xDF) ^ (Res << 1);
return Res & 0xFF;
}