diff options
Diffstat (limited to 'src/lib/ndpi_bitmap64.c')
| -rw-r--r-- | src/lib/ndpi_bitmap64.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/lib/ndpi_bitmap64.c b/src/lib/ndpi_bitmap64.c index 1c8368b29..f254c1483 100644 --- a/src/lib/ndpi_bitmap64.c +++ b/src/lib/ndpi_bitmap64.c @@ -76,6 +76,9 @@ bool ndpi_bitmap64_compress(ndpi_bitmap64 *_b) { ndpi_bitmap64_t *b = (ndpi_bitmap64_t*)_b; u_int32_t i; + if(!b) + return(false); + if(b->num_used_entries > 0) { if(b->num_used_entries > 1) qsort(b->entries, b->num_used_entries, @@ -122,6 +125,9 @@ bool ndpi_bitmap64_compress(ndpi_bitmap64 *_b) { bool ndpi_bitmap64_set(ndpi_bitmap64 *_b, u_int64_t value) { ndpi_bitmap64_t *b = (ndpi_bitmap64_t*)_b; + if(!b) + return(false); + if(b->is_compressed) { /* We need to discard the filter and start over as this @@ -155,6 +161,9 @@ bool ndpi_bitmap64_set(ndpi_bitmap64 *_b, u_int64_t value) { bool ndpi_bitmap64_isset(ndpi_bitmap64 *_b, u_int64_t value) { ndpi_bitmap64_t *b = (ndpi_bitmap64_t*)_b; + if(!b) + return(false); + if(!b->is_compressed) ndpi_bitmap64_compress(b); return(binary_fuse16_contain(value, &b->bitmap)); @@ -165,6 +174,9 @@ bool ndpi_bitmap64_isset(ndpi_bitmap64 *_b, u_int64_t value) { void ndpi_bitmap64_free(ndpi_bitmap64 *_b) { ndpi_bitmap64_t *b = (ndpi_bitmap64_t*)_b; + if(!b) + return; + if(b->entries) ndpi_free(b->entries); if(b->is_compressed) @@ -178,5 +190,8 @@ void ndpi_bitmap64_free(ndpi_bitmap64 *_b) { u_int32_t ndpi_bitmap64_size(ndpi_bitmap64 *_b) { ndpi_bitmap64_t *b = (ndpi_bitmap64_t*)_b; + if(!b) + return(0); + return(sizeof(ndpi_bitmap64) + binary_fuse16_size_in_bytes(&b->bitmap)); } |