From 6b3b14409343fe2bc86cd0a495b26a310c11b86e Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Fri, 31 Dec 2004 18:15:03 +0000
Subject: [PATCH] test if there is anything to save before opening the file
---
Mesh/3D_BGMesh.cpp | 19 ++++++++++++++++---
1 file changed, 16 insertions(+), 3 deletions(-)
diff --git a/Mesh/3D_BGMesh.cpp b/Mesh/3D_BGMesh.cpp
index f36a19e7a1..981a89c338 100644
--- a/Mesh/3D_BGMesh.cpp
+++ b/Mesh/3D_BGMesh.cpp
@@ -1,4 +1,4 @@
-// $Id: 3D_BGMesh.cpp,v 1.33 2004-12-31 17:50:34 geuzaine Exp $
+// $Id: 3D_BGMesh.cpp,v 1.34 2004-12-31 18:15:03 geuzaine Exp $
//
// Copyright (C) 1997-2004 C. Geuzaine, J.-F. Remacle
//
@@ -32,6 +32,19 @@ extern Context_T CTX;
void ExportLcField(Mesh * M, char *filename, int volume, int surface)
{
+ if(!Tree_Nbr(M->Volumes) && !Tree_Nbr(M->Surfaces)){
+ Msg(GERROR, "No volumes or surfaces to save");
+ return;
+ }
+ else if(volume && !surface && !Tree_Nbr(M->Volumes)){
+ Msg(GERROR, "No volumes to save");
+ return;
+ }
+ else if(!volume && surface && !Tree_Nbr(M->Surfaces)){
+ Msg(GERROR, "No surfaces to save");
+ return;
+ }
+
FILE *f = fopen(filename, "w");
if(!f) {
@@ -39,7 +52,7 @@ void ExportLcField(Mesh * M, char *filename, int volume, int surface)
return;
}
- if(volume){
+ if(volume && Tree_Nbr(M->Volumes)){
List_T *l = Tree2List(M->Volumes);
fprintf(f, "View \"Volume LC Field\" {\n");
for(int i = 0; i < List_Nbr(l); i++) {
@@ -71,7 +84,7 @@ void ExportLcField(Mesh * M, char *filename, int volume, int surface)
fprintf(f, "};\n");
}
- if(surface){
+ if(surface && Tree_Nbr(M->Surfaces)){
List_T *l = Tree2List(M->Surfaces);
fprintf(f, "View \"Surface LC Field\" {\n");
for(int i = 0; i < List_Nbr(l); i++) {
--
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