nzbget/libpar2-0.2-cancel.patch

diff -aud ../libpar2-0.2-original/par2repairer.cpp ../libpar2-0.2/par2repairer.cpp
--- ../libpar2-0.2-original/par2repairer.cpp	2008-10-26 19:54:33.000000000 +0100
+++ ../libpar2-0.2/par2repairer.cpp	2008-10-29 10:24:48.000000000 +0100
@@ -52,6 +52,8 @@
   noiselevel = CommandLine::nlNormal;
   headers = new ParHeaders;
   alreadyloaded = false;
+
+  cancelled = false;
 }
 
 Par2Repairer::~Par2Repairer(void)
@@ -406,6 +408,10 @@
           progress = offset;
 	sig_progress.emit(newfraction);
 
+          if (cancelled)
+          {
+            break;
+          }
         }
       }
 
@@ -584,6 +590,11 @@
     delete diskfile;
   }
   
+  if (cancelled)
+  {
+    return false;
+  }
+
   return true;
 }
 
@@ -833,9 +844,17 @@
     for (list<string>::const_iterator s=files->begin(); s!=files->end(); ++s)
     {
       LoadPacketsFromFile(*s);
+      if (cancelled)
+      {
+        break;
+      }
     }
 
     delete files;
+    if (cancelled)
+    {
+      return false;
+    }
   }
 
   {
@@ -846,9 +865,17 @@
     for (list<string>::const_iterator s=files->begin(); s!=files->end(); ++s)
     {
       LoadPacketsFromFile(*s);
+      if (cancelled)
+      {
+        break;
+      }
     }
 
     delete files;
+    if (cancelled)
+    {
+      return false;
+    }
   }
 
   return true;
@@ -866,9 +893,18 @@
         string::npos != filename.find(".PAR2"))
     {
       LoadPacketsFromFile(filename);
+      if (cancelled)
+      {
+        break;
+      }
     }
   }
 
+  if (cancelled)
+  {
+    return false;
+  }
+
   return true;
 }
 
@@ -1210,6 +1246,11 @@
   sf = sortedfiles.begin();
   while (sf != sortedfiles.end())
   {
+    if (cancelled)
+    {
+      return false;
+    }
+
     // Do we have a source file
     Par2RepairerSourceFile *sourcefile = *sf;
 
@@ -1562,6 +1603,10 @@
         cout << "Scanning: \"" << shortname << "\": " << newfraction/10 << '.' << newfraction%10 << "%\r" << flush;
 	sig_progress.emit(newfraction);
 
+        if (cancelled)
+        {
+          break;
+        }
       }
     }
 
@@ -1651,6 +1696,11 @@
     }
   }
 
+  if (cancelled)
+  {
+    return false;
+  }
+
   // Get the Full and 16k hash values of the file
   filechecksummer.GetFileHashes(hashfull, hash16k);
 
@@ -2291,10 +2341,19 @@
             cout << "Repairing: " << newfraction/10 << '.' << newfraction%10 << "%\r" << flush;
 	    sig_progress.emit(newfraction);
 
+            if (cancelled)
+            {
+              break;
+            }
           }
         }
       }
 
+      if (cancelled)
+      {
+        break;
+      }
+
       ++inputblock;
       ++inputindex;
     }
@@ -2348,9 +2407,18 @@
           cout << "Processing: " << newfraction/10 << '.' << newfraction%10 << "%\r" << flush;
 	sig_progress.emit(newfraction);
 
+          if (cancelled)
+          {
+            break;
+          }
         }
       }
 
+      if (cancelled)
+      {
+        break;
+      }
+
       ++copyblock;
       ++inputblock;
     }
@@ -2362,6 +2430,11 @@
     lastopenfile->Close();
   }
 
+  if (cancelled)
+  {
+    return false;
+  }
+
   if (noiselevel > CommandLine::nlQuiet)
     cout << "Writing recovered data\r";
 
diff -aud ../libpar2-0.2-original/par2repairer.h ../libpar2-0.2/par2repairer.h
--- ../libpar2-0.2-original/par2repairer.h	2006-01-20 00:38:27.000000000 +0100
+++ ../libpar2-0.2/par2repairer.h	2008-10-26 19:01:08.000000000 +0100
@@ -183,6 +183,7 @@
   u64                       totaldata;               // Total amount of data to be processed.
   u64                       totalsize;               // Total data size
 
+  bool                      cancelled;               // repair cancelled
 };
 
 #endif // __PAR2REPAIRER_H__