From cad62051cacba5a9b9b70dadf902b4a4a2b58cf2 Mon Sep 17 00:00:00 2001
From: Milian Wolff <mail@milianw.de>
Date: Fri, 11 Dec 2015 21:17:14 +0100
Subject: [PATCH] Add version to heaptrack data files.

---
 accumulatedtracedata.cpp | 2 ++
 libheaptrack.cpp         | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/accumulatedtracedata.cpp b/accumulatedtracedata.cpp
index c95b776..ba72944 100644
--- a/accumulatedtracedata.cpp
+++ b/accumulatedtracedata.cpp
@@ -287,6 +287,8 @@ bool AccumulatedTraceData::read(istream& in)
             leaked = 0;
             peak = 0;
             fromAttached = true;
+        } else if (reader.mode() == 'v') {
+            // the version, we ignore it for now
         } else {
             cerr << "failed to parse line: " << reader.line() << endl;
         }
diff --git a/libheaptrack.cpp b/libheaptrack.cpp
index c8365fd..dd1ad5c 100644
--- a/libheaptrack.cpp
+++ b/libheaptrack.cpp
@@ -110,6 +110,11 @@ struct RecursionGuard
 
 thread_local bool RecursionGuard::isActive = false;
 
+void writeVersion(FILE* out)
+{
+    fprintf(out, "v %x\n", HEAPTRACK_VERSION);
+}
+
 void writeExe(FILE* out)
 {
     const int BUF_SIZE = 1023;
@@ -243,6 +248,7 @@ public:
             return;
         }
 
+        writeVersion(out);
         writeExe(out);
         writeCommandLine(out);
 
-- 
2.7.4