Sequencer: Save file to tmp file before overwriting original.

sequencer/src/sequence.C

@@ -371,10 +371,23 @@ sequence::load ( const char *name )
 void
 sequence::save ( const char *name ) const
 {
+    
+    char *tmp  = NULL;
+
+    {
+	const char *filename = basename(name);
+	char *dir = (char*)malloc( (strlen(name) - strlen(filename)) + 1 );
+	strncpy( dir, name, strlen(name) - strlen(filename) );
+    
+	asprintf( &tmp, "%s#%s", dir, filename );
+	free(dir);
+    }
+    
+    {
 	smf f;
 
 	/* open for writing */
-    f.open( name, smf::WRITE );
+	f.open( tmp, smf::WRITE );
 
 	f.write_header( 2 );
 
@@ -416,6 +429,11 @@ sequence::save ( const char *name ) const
 
 	    p->dump( &f );
 	}
+    }
+
+    rename(tmp,name);
+
+    free(tmp);
 }