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-rw-r--r--src/base/io/io.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/base/io/io.c b/src/base/io/io.c
index e1ff3b08..6b802bf1 100644
--- a/src/base/io/io.c
+++ b/src/base/io/io.c
@@ -1408,7 +1408,7 @@ int IoCommandWriteBench( Abc_Frame_t * pAbc, int argc, char **argv )
// call the corresponding file writer
if ( !fUseLuts )
Io_Write( pAbc->pNtkCur, pFileName, IO_FILE_BENCH );
- else
+ else if ( pAbc->pNtkCur )
{
Abc_Ntk_t * pNtkTemp;
pNtkTemp = Abc_NtkToNetlist( pAbc->pNtkCur );
@@ -1416,6 +1416,8 @@ int IoCommandWriteBench( Abc_Frame_t * pAbc, int argc, char **argv )
Io_WriteBenchLut( pNtkTemp, pFileName );
Abc_NtkDelete( pNtkTemp );
}
+ else
+ printf( "There is no current network.\n" );
return 0;
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