Cut null characters from the end of command and file names

Some perfs add additional nulls to command and file names. We don't
want them in the output.

Change-Id: I35e0048a6ad2f89908641506289ad38fe94985bf
Reviewed-by: Christian Kandeler <christian.kandeler@theqtcompany.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/app/perfdata.cpp b/app/perfdata.cpp
index 9e73107..87a5fed 100644
--- a/app/perfdata.cpp
+++ b/app/perfdata.cpp
@@ -245,6 +245,9 @@ QDataStream &PerfRecordMmap::readFilename(QDataStream &stream, quint64 filenameL
     }
     m_filename.resize(filenameLength);
     stream.readRawData(m_filename.data(), filenameLength);
+    int null = m_filename.indexOf('\0');
+    if (null != -1)
+        m_filename.truncate(null);
     return stream;
 }
 
@@ -312,6 +315,10 @@ QDataStream &operator>>(QDataStream &stream, PerfRecordComm &record)
     }
     record.m_comm.resize(commLength);
     stream.readRawData(record.m_comm.data(), commLength);
+    int null = record.m_comm.indexOf('\0');
+    if (null != -1)
+        record.m_comm.truncate(null);
+
     stream >> record.m_sampleId;
 
     return stream;