diff options
Diffstat (limited to 'src/bdd/cudd')
| -rw-r--r-- | src/bdd/cudd/cuddExport.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/bdd/cudd/cuddExport.c b/src/bdd/cudd/cuddExport.c index 3b2e989d..c0cac4ec 100644 --- a/src/bdd/cudd/cuddExport.c +++ b/src/bdd/cudd/cuddExport.c @@ -780,6 +780,7 @@ Cudd_DumpDDcal( if (diff <= mask) break; } st_free_table(visited); + visited = NULL; /* Build a bit array with the support of f. */ sorted = ABC_ALLOC(int,nvars); @@ -851,7 +852,8 @@ Cudd_DumpDDcal( retval = fprintf(fp, "]\n"); if (retval == EOF) goto failure; - st_free_table(visited); + if ( visited ) + st_free_table(visited); return(1); failure: |