Sequencer: Save file to tmp file before overwriting original.

sequencer/src/sequence.C

@@ -370,11 +370,24 @@ sequence::load ( const char *name )
 /** save entire sequence to file */
 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 );
 
@@ -418,6 +431,11 @@ sequence::save ( const char *name ) const
 	}
     }
 
+    rename(tmp,name);
+
+    free(tmp);
+}
+
 
 /*************/
 /* Accessors */