Changes in src/Helpers/MemDebug.cpp [f0f1cc:097902]

File:

• src/Helpers/MemDebug.cpp (modified) (4 diffs)

src/Helpers/MemDebug.cpp

@@ -72 +72 @@
   // all allocated memory blocks
   struct entry_t {
+    typedef unsigned int checksum_t;
     // we seperate the tracking info from the rest
     // A checksum will be calculated for this part of
@@ -90 +91 @@
     } info;
     bool isIgnored;
-    char checksum;
+    checksum_t checksum;
     entry_t *prev;
     entry_t *next;
@@ -117 +118 @@
   // calculates a simple checksum for the info block
   // the checksum is used to find memory corruptions
-  inline char calcChecksum(entry_t::info_t *info){
+  inline entry_t::checksum_t calcChecksum(entry_t::info_t *info){
     char *buffer = (char*)info;
-    char checksum =0;
+    entry_t::checksum_t checksum =0;
     for(size_t i=0;i<sizeof(entry_t::info_t);i++){
       checksum+=buffer[i];
@@ -154 +155 @@
       cout << "Chunk reserved at: " << pos->info.file << ":" << pos->info.line << endl;
 #endif
+    }
+  }
+
+  void dumpMemory(std::ostream &ost){
+    ost << "Maximum allocated Memory: " << max << " bytes" << endl;
+    ost << "Maximum allocated Memory: " << max << " bytes" << endl;
+    ost << "Currently allocated Memory: " << state <<" bytes" << endl;
+    ost << allocs << " allocated chunks total" << endl;
+    bool corrupted=false;
+    for(entry_t *pos=begin;pos;pos=pos->next){
+      ost << "\nChunk of " << pos->info.nbytes << " bytes" << " still available" << endl;
+#     ifdef __GNUC__
+        ost << "Chunk reserved at: " << pos->info.function
+             << " (" << pos->info.file << ":" << pos->info.line  << ")" << endl;
+#     else
+        ost << "Chunk reserved at: " << pos->info.file << ":" << pos->info.line << endl;
+#     endif
+        ost << "Chunk address: " << pos->info.location << endl;
+        entry_t::checksum_t checksum = calcChecksum(&pos->info);
+        ost << "Checksum of chunk: " << checksum << endl;
+        ost << "Checksum at allocation time: " << pos->checksum << endl;
+        if(checksum!=pos->checksum){
+          ost << "!!!Chunk was corrupted!!!" << endl;
+          corrupted=true;
+        }
+    }
+    if(corrupted){
+      ost << "\n!!!Memory corruption detected!!!" << endl;
     }
   }