Added cRecording::Undelete()

recording.c

@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: recording.c 1.155 2007/10/12 14:48:20 kls Exp $
+ * $Id: recording.c 1.156 2007/10/14 10:21:54 kls Exp $
  */
 
 #include "recording.h"
@@ -829,6 +829,32 @@ bool cRecording::Remove(void)
   return RemoveVideoFile(FileName());
 }
 
+bool cRecording::Undelete(void)
+{
+  bool result = true;
+  char *NewName = strdup(FileName());
+  char *ext = strrchr(NewName, '.');
+  if (ext && strcmp(ext, DELEXT) == 0) {
+     strncpy(ext, RECEXT, strlen(ext));
+     if (access(NewName, F_OK) == 0) {
+        // the new name already exists, so let's not remove that one:
+        esyslog("ERROR: attempt to undelete '%s', while recording '%s' exists", FileName(), NewName);
+        result = false;
+        }
+     else {
+        isyslog("undeleting recording '%s'", FileName());
+        if (access(FileName(), F_OK) == 0)
+           result = RenameVideoFile(FileName(), NewName);
+        else {
+           isyslog("deleted recording '%s' vanished", FileName());
+           result = false;
+           }
+        }
+     }
+  free(NewName);
+  return result;
+}
+
 void cRecording::ResetResume(void) const
 {
   resume = RESUME_NOT_INITIALIZED;