From b763d9952078ae2584cbb289a437b5184ea2fc1a Mon Sep 17 00:00:00 2001
From: guy <guy@c028cbd2-c16b-5b4b-a496-9718f37d4682>
Date: Fri, 23 Aug 1996 15:55:15 +0000
Subject: [PATCH] relation.cpp   Aggiunta funzione exist

git-svn-id: svn://10.65.10.50/trunk@3433 c028cbd2-c16b-5b4b-a496-9718f37d4682
---
 include/relation.cpp | 6 ++++++
 include/relation.h   | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/include/relation.cpp b/include/relation.cpp
index d92525575..69f6f3632 100755
--- a/include/relation.cpp
+++ b/include/relation.cpp
@@ -867,6 +867,12 @@ int TRelation::remove(TDate& atdate)
   return _errors;
 }
 
+bool TRelation::exist(int logicnum) const
+{
+  const bool lucky = log2ind(logicnum) >= 0;
+  return lucky;
+}
+
 
 ///////////////////////////////////////////////////////////
 // TCursor
diff --git a/include/relation.h b/include/relation.h
index 109fa4605..7c22e8488 100755
--- a/include/relation.h
+++ b/include/relation.h
@@ -170,6 +170,9 @@ public:
   // @cmember Ritorna il numero di files collegati
   int items()
   { return _reldefs.items(); }
+  
+  // @cmember Ritorna TRUE se il file <p logicnum> e' nella relazione
+  bool exist(int logicnum) const;
 
   // @cmember Salva la posizione attuale di tutti i file della relazione
   void save_status () ;