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-rw-r--r--apt-pkg/deb/debsrcrecords.cc28
1 files changed, 9 insertions, 19 deletions
diff --git a/apt-pkg/deb/debsrcrecords.cc b/apt-pkg/deb/debsrcrecords.cc
index cac36c2e6..9e87ee5da 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((unsigned long)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;
}
/*}}}*/