From: spo <sergey.pokhodenko@opencascade.com>
Date: Thu, 28 May 2015 12:23:09 +0000 (+0300)
Subject: Issue #529: 4.07. Import IGES, export to BREP, STEP, IGES - Fix crash on input file... 
X-Git-Tag: V_1.2.0~30
X-Git-Url: http://git.salome-platform.org/gitweb/?a=commitdiff_plain;h=da42c7259ddeaf80fdfda7586412adb7c07cffd2;p=modules%2Fshaper.git

Issue #529: 4.07. Import IGES, export to BREP, STEP, IGES - Fix crash on input file for export by hand
---

diff --git a/src/ExchangePlugin/ExchangePlugin_Validators.cpp b/src/ExchangePlugin/ExchangePlugin_Validators.cpp
index 16df0a1fe..bffd2fa41 100644
--- a/src/ExchangePlugin/ExchangePlugin_Validators.cpp
+++ b/src/ExchangePlugin/ExchangePlugin_Validators.cpp
@@ -59,9 +59,11 @@ bool ExchangePlugin_FormatValidator::isValid(const AttributePtr& theAttribute,
   std::transform(aFileName.begin(), aFileName.end(), aFileName.begin(), toupper);
   // Is file name ends with the format
   for (; itFormats != aFormats.end(); ++itFormats) {
-    size_t aFormatBeginPos = aFileNameLen - (*itFormats).length();
-    if (aFileName.compare(aFormatBeginPos, std::string::npos, *itFormats) == 0) {
-      return true;
+    if (aFileNameLen > (*itFormats).length()) {
+      size_t aFormatBeginPos = aFileNameLen - (*itFormats).length();
+      if (aFileName.compare(aFormatBeginPos, std::string::npos, *itFormats) == 0) {
+        return true;
+      }
     }
   }
   return false;