diff options
Diffstat (limited to 'src/sat/bsat/satUtil.c')
| -rw-r--r-- | src/sat/bsat/satUtil.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/sat/bsat/satUtil.c b/src/sat/bsat/satUtil.c index 1d94d685..a8cd3f7e 100644 --- a/src/sat/bsat/satUtil.c +++ b/src/sat/bsat/satUtil.c @@ -85,7 +85,7 @@ void Sat_SolverWriteDimacs( sat_solver * p, char * pFileName, lit* assumpBegin, nUnits++; // start the file - pFile = fopen( pFileName, "wb" ); + pFile = pFileName ? fopen( pFileName, "wb" ) : stdout; if ( pFile == NULL ) { printf( "Sat_SolverWriteDimacs(): Cannot open the ouput file.\n" ); @@ -121,7 +121,7 @@ void Sat_SolverWriteDimacs( sat_solver * p, char * pFileName, lit* assumpBegin, } fprintf( pFile, "\n" ); - fclose( pFile ); + if ( pFileName ) fclose( pFile ); } void Sat_Solver2WriteDimacs( sat_solver2 * p, char * pFileName, lit* assumpBegin, lit* assumpEnd, int incrementVars ) { |