X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/55d99c7a77789ff4904bf96eddca3715eb5af9b9..56b9925b116dfa58028fccb2556852f2da2ab9ac:/src/common/ffile.cpp

diff --git a/src/common/ffile.cpp b/src/common/ffile.cpp
index 6b09f9876b..503e5bfa0d 100644
--- a/src/common/ffile.cpp
+++ b/src/common/ffile.cpp
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
     #pragma implementation "ffile.h"
 #endif
 
@@ -206,6 +206,9 @@ bool wxFFile::Seek(long ofs, wxSeekMode mode)
 
 size_t wxFFile::Tell() const
 {
+    wxCHECK_MSG( IsOpened(), (size_t)-1,
+                 _T("wxFFile::Tell(): file is closed!") );
+
     long rc = ftell(m_fp);
     if ( rc == -1 )
     {
@@ -218,6 +221,9 @@ size_t wxFFile::Tell() const
 
 size_t wxFFile::Length() const
 {
+    wxCHECK_MSG( IsOpened(), (size_t)-1,
+                 _T("wxFFile::Length(): file is closed!") );
+
     wxFFile& self = *(wxFFile *)this;   // const_cast
 
     size_t posOld = Tell();