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-rw-r--r--apt-pkg/tagfile.cc28
1 files changed, 21 insertions, 7 deletions
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 68ab7856e..7f2bf6b1d 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -1,6 +1,6 @@
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: tagfile.cc,v 1.17 1998/12/07 07:26:22 jgg Exp $
+// $Id: tagfile.cc,v 1.18 1998/12/08 05:24:41 jgg Exp $
/* ######################################################################
Fast scanner for RFC-822 type header information
@@ -45,7 +45,7 @@ bool pkgTagFile::Step(pkgTagSection &Tag)
return false;
if (Tag.Scan(Start,End - Start) == false)
- return _error->Error("Unable to parse package file");
+ return _error->Error("Unable to parse package file %s",Fd.Name().c_str());
}
Start += Tag.size();
iOffset += Tag.size();
@@ -61,17 +61,28 @@ bool pkgTagFile::Fill()
{
unsigned long EndSize = End - Start;
+ memmove(Buffer,Start,EndSize);
+ Start = Buffer;
+ End = Buffer + EndSize;
+
if (Left == 0)
{
- if (EndSize <= 1)
+ if (EndSize <= 3)
return false;
+ if (Size - (End - Buffer) < 4)
+ return true;
+
+ // Append a double new line if one does not exist
+ unsigned int LineCount = 0;
+ for (const char *E = End - 1; E - End < 6 && (*E == '\n' || *E == '\r'); E--)
+ if (*E == '\n')
+ LineCount++;
+ for (; LineCount < 2; LineCount++)
+ *End++ = '\n';
+
return true;
}
- memmove(Buffer,Start,EndSize);
- Start = Buffer;
- End = Buffer + EndSize;
-
// See if only a bit of the file is left
if (Left < Size - (End - Buffer))
{
@@ -122,6 +133,9 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
const char *End = Start + MaxLength;
Stop = Section = Start;
memset(AlphaIndexes,0,sizeof(AlphaIndexes));
+
+ if (Stop == 0)
+ return false;
TagCount = 0;
while (TagCount < sizeof(Indexes)/sizeof(Indexes[0]))