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-rw-r--r--apt-pkg/tagfile.cc21
1 files changed, 16 insertions, 5 deletions
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 893cb8ee7..7c5d15a58 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -81,7 +81,7 @@ bool pkgTagFile::Resize()
End = Start + EndSize;
return true;
}
-
+ /*}}}*/
// TagFile::Step - Advance to the next section /*{{{*/
// ---------------------------------------------------------------------
/* If the Section Scanner fails we refill the buffer and try again.
@@ -212,10 +212,12 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
if (Stop == 0)
return false;
-
+
TagCount = 0;
while (TagCount+1 < sizeof(Indexes)/sizeof(Indexes[0]) && Stop < End)
{
+ TrimRecord(true,End);
+
// Start a new index and add it to the hash
if (isspace(Stop[0]) == 0)
{
@@ -227,14 +229,14 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
if (Stop == 0)
return false;
-
+
for (; Stop+1 < End && Stop[1] == '\r'; Stop++);
// Double newline marks the end of the record
if (Stop+1 < End && Stop[1] == '\n')
{
Indexes[TagCount] = Stop - Section;
- for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r'); Stop++);
+ TrimRecord(false,End);
return true;
}
@@ -244,6 +246,16 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength)
return false;
}
/*}}}*/
+// TagSection::TrimRecord - Trim off any garbage before/after a record /*{{{*/
+// ---------------------------------------------------------------------
+/* There should be exactly 2 newline at the end of the record, no more. */
+void pkgTagSection::TrimRecord(bool BeforeRecord, const char*& End)
+{
+ if (BeforeRecord == true)
+ return;
+ for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r'); Stop++);
+}
+ /*}}}*/
// TagSection::Trim - Trim off any trailing garbage /*{{{*/
// ---------------------------------------------------------------------
/* There should be exactly 1 newline at the end of the buffer, no more. */
@@ -390,7 +402,6 @@ bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags,
return true;
}
/*}}}*/
-
// TFRewrite - Rewrite a control record /*{{{*/
// ---------------------------------------------------------------------
/* This writes the control record to stdout rewriting it as necessary. The