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authorMichael Vogt <michael.vogt@ubuntu.com>2006-11-30 15:06:28 +0100
committerMichael Vogt <michael.vogt@ubuntu.com>2006-11-30 15:06:28 +0100
commit4ab24e53db1d39cd26072f03795efd0f6425a369 (patch)
tree3fbd4f1b55b31bdf253602963c0e6727db474399 /apt-pkg
parentc70496f94c8a16072b0b7a7906dec4b1aa4f306e (diff)
* apt-pkg/deb/debsrcrecords.{cc,h}:
- make the buffer dynmaic
Diffstat (limited to 'apt-pkg')
-rw-r--r--apt-pkg/deb/debsrcrecords.cc28
-rw-r--r--apt-pkg/deb/debsrcrecords.h10
2 files changed, 14 insertions, 24 deletions
diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc
index cac36c2e6..17645a5ac 100644
--- a/apt-pkg/deb/debsrcrecords.cc
+++ b/apt-pkg/deb/debsrcrecords.cc
@@ -18,6 +18,8 @@
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/configuration.h>
+
+using std::max;
/*}}}*/
// SrcRecordParser::Binaries - Return the binaries field /*{{{*/
@@ -34,31 +36,19 @@ const char **debSrcRecordParser::Binaries()
if (Bins.empty() == true || Bins.length() >= 102400)
return 0;
- // Workaround for #236688. Only allocate a new buffer if the field
- // is large, to avoid a performance penalty
- char *BigBuf = NULL;
- char *Buf;
- if (Bins.length() > sizeof(Buffer))
- {
- BigBuf = new char[Bins.length()];
- Buf = BigBuf;
- }
- else
+ if (Bins.length() > BufSize)
{
- Buf = Buffer;
+ delete [] Buffer;
+ // allocate new size based on buffer (but never smaller than 4000)
+ BufSize = max((unsigned long)4000, max(Bins.length()+1,2*BufSize));
+ Buffer = new char[BufSize];
}
- strcpy(Buf,Bins.c_str());
- if (TokSplitString(',',Buf,StaticBinList,
+ strcpy(Buffer,Bins.c_str());
+ if (TokSplitString(',',Buffer,StaticBinList,
sizeof(StaticBinList)/sizeof(StaticBinList[0])) == false)
- {
- if (BigBuf != NULL)
- delete BigBuf;
return 0;
- }
- if (BigBuf != NULL)
- delete BigBuf;
return (const char **)StaticBinList;
}
/*}}}*/
diff --git a/apt-pkg/deb/debsrcrecords.h b/apt-pkg/deb/debsrcrecords.h
index f899993df..f4e2cb46c 100644
--- a/apt-pkg/deb/debsrcrecords.h
+++ b/apt-pkg/deb/debsrcrecords.h
@@ -24,9 +24,10 @@ class debSrcRecordParser : public pkgSrcRecords::Parser
FileFd Fd;
pkgTagFile Tags;
pkgTagSection Sect;
- char Buffer[10000];
char *StaticBinList[400];
unsigned long iOffset;
+ char *Buffer;
+ unsigned long BufSize;
public:
@@ -49,10 +50,9 @@ class debSrcRecordParser : public pkgSrcRecords::Parser
};
virtual bool Files(vector<pkgSrcRecords::File> &F);
- debSrcRecordParser(string File,pkgIndexFile const *Index) :
- Parser(Index),
- Fd(File,FileFd::ReadOnly),
- Tags(&Fd,102400) {};
+ debSrcRecordParser(string File,pkgIndexFile const *Index)
+ : Parser(Index), Fd(File,FileFd::ReadOnly), Tags(&Fd,102400),
+ Buffer(0), BufSize(0) {}
};
#endif